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若井史博 研究業績一覧 (498件)
論文
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Fumihiro Wakai,
Michiyuki Yoshida,
YUTAKA SHINODA,
Takashi Akatsu.
Coarsening and grain growth in sintering of two particles of different sizes,
Acta Materialia,
Vol. 53,
No. 5,
pp. 1361-1371,
2005.
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Shigehiro Ohtsuka,
YUTAKA SHINODA,
Takashi Akatsu,
Fumihiro Wakai.
Effect of oxygen segregation at grain boundaries on deformation of B, C-doped silicon carbides at elevated temperatures,
Journal of the American Ceramic Society,
Vol. 88,
No. 6,
pp. 1558-1563,
2005.
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Takashi Akatsu,
Shingo Numata,
Michiyuki Yoshida,
YUTAKA SHINODA,
Fumihiro Wakai.
Indentation size effect on the hardness of zirconia polycrystals,
Fracture Mechanics of Ceramics,
Vol. 14,
pp. 13-20,
2005.
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Fumihiro Wakai.
Formation of equilibrium particle pair and its instability in Frenkel-Kuczynski model of sintering,
Proc. 4th International Conference on Science, Technology and Applications of Sintering,
pp. 290-302,
2005.
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Fumihiro WAKAI,
YUTAKA SHINODA,
TAKASHI AKATSU.
Methods to calculate sintering stress of porous materials in equilibrium,
Acta Materialia,
Vol. 52,
pp. 5621-5631,
2004.
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Michiyuki YOSHIDA,
YUTAKA SHINODA,
TAKASHI AKATSU,
Fumihiro WAKAI.
Superplasticity-like deformation of nanocrystalline monoclinic zirconia at elevated temperatures,
Journal of the American Ceramic Society,
Vol. 87,
pp. 1122-1125,
2004.
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Fumihiro WAKAI,
Fritz ALDINGER.
Sintering forces in equilibrium and non-equilibrium states during sintering of two particles,
Sci. Tech. Adv. Mater.,
Vol. 5,
pp. 521-525,
2004.
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FUMIHIRO WAKAI.
Dynamics of grain boundary network in ceramics superplasticity,
J. Ceram. Soc. Japan,
Vol. 112,
pp. 472-476,
2004.
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Eiji HIYOSHI,
YUTAKA SHINODA,
TAKASHI AKATSU,
Fumihiro WAKAI.
Effects of temperature and chemical composition of intergranular glass on dihedral angle of glass-doped 3Y-TZP,
J. Ceram. Soc. Japan,
Vol. 112,
pp. 661-664,
2004.
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Gaku Okuma,
Ryutaro Usukawa,
Toshio Osada,
Naoki Kondo,
Hideaki Nakajima,
Toshiya Okazaki,
Shingo Machida,
Yutaro Arai,
Ryo Inoue,
Hideki Kakisawa,
Kazuya Shimoda,
Akihisa Takeuchi,
Masayuki Uesugi,
Fumihiro Wakai.
Evolution of microstructure and defects in sintering of tape-cast alumina laminates observed by synchrotron X-ray multiscale tomography,
Ceramics International,
Vol. 50,
No. 19,
pp. 37402-37411,
Oct. 2024.
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Gaku Okuma,
Fumihiro Wakai.
Synchrotron X-ray multiscale tomography: Visualization of heterogeneous microstructures and defects in ceramics,
Journal of the American Ceramic Society,
Vol. 107,
No. 3,
pp. 1706-1724,
Jan. 2024.
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Kei Maeda,
Gaku Okuma,
Satoshi Yoshida,
Fumihiro Wakai,
Akihisa Takeuchi,
Masayuki Uesugi,
Shun Yanagioka,
Shun Matsunuma,
Shingo Machida,
Atsuo Yasumori.
Indentation-induced ductile behavior of glass-ceramics involving layered aluminosilicates,
Journal of the American Ceramic Society,
Vol. 106,
pp. 7440-7448,
Oct. 2023.
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Gaku Okuma,
Masaya Endo,
Haruki Minagawa,
Ryo Inoue,
Hideki Kakisawa,
Takuma Kohata,
Toshio Osada,
Takafumi Yamamoto,
Masaki Azuma,
Akihisa Takeuchi,
Masayuki Uesugi,
Olivier Guillon,
Fumihiro Wakai.
3D Visualization of Morphological Evolution of Large Defects during Spark Plasma Sintering of Alumina Granules,
Advanced Engineering Materials,
Vol. 25,
pp. 2201534,
Sept. 2023.
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Gaku Okuma,
Toshio Osada,
Haruki Minagawa,
Yutaro Arai,
Ryo Inoue,
Hideki Kakisawa,
Kazuya Shimoda,
Akihisa Takeuchi,
Masayuki Uesugi,
Satoshi Tanaka,
Fumihiro Wakai.
Heterogeneities and defects in powder compacts and sintered alumina bodies visualized by using the synchrotron X-ray CT,
Journal of the European Ceramic Society,
Vol. 43,
No. 2,
pp. 486-492,
Feb. 2023.
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Ryota Abe,
YutaTakahashi,
Yuta Watanabe,
Gaku Okuma,
Fumihiro Wakai.
Coarsening of metal/ceramics bicontinuous structures enhanced by stress-induced instability under cyclic thermal stress,
Acta Materialia,
Vol. 244,
118526,
Jan. 2023.
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Fumihiro Wakai,
Gaku Okuma.
Rigid body motion of multiple particles in solid-state sintering,
Acta Materialia,
Vol. 235,
pp. 118092,
Aug. 2022.
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Gaku Okuma,
Kei Maeda,
Satoshi Yoshida,
Akihisa Takeuchi,
Fumihiro Wakai.
Morphology of subsurface cracks in glass-ceramics induced by Vickers indentation observed by synchrotron X-ray multiscale tomography,
Scientific Reports,
Springer Nature,
Vol. 12,
6994,
Apr. 2022.
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Gaku Okuma,
Satoshi Tanaka,
Fumihiro Wakai.
Domain coarsening in viscous sintering as a result of topological pore evolution,
Journal of the European Ceramic Society,
Vol. 42,
No. 2,
pp. 729-733,
Feb. 2022.
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Fumihiro Wakai,
Gaku Okuma,
Robert Mücke,
Olivier Guillon.
Modelling of elimination of strength-limiting defects by pressure-assisted sintering at low stress levels,
Journal of the European Ceramic Society,
Vol. 41,
No. 16,
pp. 202-210,
Dec. 2021.
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Gaku Okuma,
Ryo Miyaki,
Kan Shinobe,
Anna Sciazko,
Takaaki Shimura,
Zilin Yan,
Shotaro Hara,
Toshinori Ogashiwa,
Naoki Shikazono,
Fumihiro Wakai.
Anisotropic microstructural evolution and coarsening in free sintering and constrained sintering of metal film by using FIB-SEM tomography,
Acta Materialia,
Vol. 215,
117087,
Aug. 2021.
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Gaku Okuma,
Naoya Saito,
Kotaro Mizuno,
Yoshiki Iwazaki,
Hiroshi Kishi,
Akihisa Takeuchi,
Masayuki Uesugi,
Fumihiro Wakai.
Microstructural evolution of electrodes in sintering of multi-layer ceramic capacitors (MLCC) observed by synchrotron X-ray nano-CT,
Acta Materialia,
Elsevier,
Vol. 206,
116605,
Mar. 2021.
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Norimasa Nishiyama,
Suguru Kitani,
Yuki Ohta,
Eleonora Kulik,
Zuzana Netriova,
Astrid Holzheid,
Zoltan Lences,
Hitoshi Kawaji,
Fumihiro Wakai.
Low temperature heat capacity measurements of beta-Si3N4 and gamma-Si3N4: Determination of the equilibrium phase boundary between beta-Si3N4 and gamma-Si3N4,
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,
ELSEVIER SCI. LTD.,
40,
16,
6309-6315,
Dec. 2020.
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Fumihiro Wakai,
Yuta Numanami,
Tomoki Sekiya,
Norimasa Nishiyama.
Mechanics of shape evolution of particle aggregates in viscous sintering,
Journal of the European Ceramic Society,
Elsevier,
Vol. 41,
797-810,
Aug. 2020.
-
Chen Cao,
Robert Mucke,
Fumihiro Wakai,
Olivier Guillon.
Viscous Poisson's ratio, bulk and shear viscosity during electrical field assisted sintering of polycrystalline ceria,
Scripta Materialia,
Vol. 178,
pp. 240-243,
Jan. 2020.
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Fumihiro Wakai,
GakuOkuma,
Norimasa Nishiyama,
Olivier Guillon.
Micromechanics of formation and shrinkage of a closed pore in sintering by coupled grain boundary/surface diffusion,
Journal of the European Ceramic Society,
Vol. 39,
No. 9,
pp. 2952-2959,
Aug. 2019.
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Michiyuki Yoshida,
M. Hada,
Yutaka Shinoda,
Osamu Sakurada,
Fumihiro Wakai.
Preliminary investigation of low current flash sintering in zirconia nanoparticle compact,
Malaysian Journal of Analytical Sciences,
Vol. 23,
pp. 682-689,
Aug. 2019.
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Takashi Akatsu,
Keisuke Yokota,
Yutaka Shinoda,
FUMIHIRO WAKAI.
Effect of the friction between a point-sharp indenter and an indented elastoplastic solid on the load and depth sensing indentation,
MaterialsToday: Proceedings,
Vol. 16,
pp. 119-123,
Aug. 2019.
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Gaku Okuma,
Shuhei Watanabe,
Kan Shinobe,
Norimasa Nishiyama,
Akihisa Takeuchi,
Kentaro Uesugi,
Satoshi Tanaka,
Fumihiro Wakai.
3D multiscale-imaging of processing-induced defects formed during sintering of hierarchical powder packings,
Scientific Reports,
Springer Nature,
Vol. 9,
11595,
Aug. 2019.
公式リンク
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Norimasa Nishiyama,
Kotaro Fujii,
Eleonora Kulik,
Masahiro Shiraiwa,
Nico A. Gaida,
Yuji Higo,
Yoshinori Tange,
Astrid Holzheid,
Masatomo Yashima,
Fumihiro Wakai.
Thermal expansion and P-V-T equation of state of cubic silicon nitride,
Journal of the European Ceramic Society,
May 2019.
-
Fumihiro Wakai,
Olivier Guillon,
Gaku Okuma,
Norimasa Nishiyama.
Sintering forces acting among particles during sintering by grain-boundary/surface diffusion,
Journal of the American Ceramic Society,
Vol. 102,
p. 538-547,
Feb. 2019.
-
Shun Kanchika,
Fumihiro Wakai.
A model of crack healing of glass by viscous flow at elevated temperatures,
Journal of the American Ceramic Society,
Vol. 102,
pp. 1373-1378,
Feb. 2019.
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西山宣正,
若井史博.
スティショバイト・ナノ多結晶体における破壊誘起アモルファス化による変態強化,
高圧力の科学と技術,
日本高圧力学会,
Vol. 28,
No. 3,
pp. 170-176,
Sept. 2018.
-
Shun Kanchika,
Fumihiro Wakai.
Surface tension-pressure superposition principle for anisotropic shrinkage of an ellipsoidal pore in viscous sintering,
Journal of the European Ceramic Society,
Vol. 38,
pp. 4283-4289,
June 2018.
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Gaku Okuma,
Jesus Gonzalez-Julian,
Olivier Guillon,
Fumihiro Wakai.
Comparison between sinter forging and X-ray microtomography methods for determining sintering stress and bulk viscosity,
Journal of the European Ceramic Society,
Vol. 38,
No. 4,
pp. 2053-2058,
Apr. 2018.
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Tsuyoshi Hondo,
Kouichi Yasuda,
Fumihiro Wakai,
Satoshi Tanaka.
Influence of binder layer of spray-dried granules on occurrence and evolution of coarse defects in alumina ceramics during sintering,
Journal of the European Ceramic Society,
Vol. 38,
No. 4,
pp. 1846-1852,
Feb. 2018.
-
Kimiko Yoshida,
Nishiyama N,
Shinoda Y,
Akatsu T,
Wakai F.
Evaluation of effects of crack deflection and grain bridging on toughening of nanocrystalline SiO2 stishovite,
J. Euro. Cer. Soc.,
Dec. 2017.
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T. Akatsu,
S. Numata,
Y. Shinoda,
F. Wakai.
Effect of elastic deformation of a point-sharp indenter on nanoindetntation behavior,
Materials,
Vol. 10,
270,
Oct. 2017.
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Gaku Okuma,
Daiki Kadowaki,
Tsuyoshi Hondo,
Satoshi Tanaka,
Fumihiro Wakai.
Interface topology for distinguishing stages of sintering,
Scientific Reports,
Vol. 7,
11106,
Sept. 2017.
公式リンク
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Misawa M,
Ryuo E,
Yoshida K,
Kalia R K,
Aiichiro Nakano,
Nishiyama N,
Shimojo F,
Vashishta P,
Wakai F.
Picosecond amorphization of SiO2 stishovite under tension,
Science Advances,
Vol. 3,
May 2017.
-
Nishiyama N,
Ishikawa R,
Ohfuji H,
Marquardt H,
Kurnosov A,
Bednarcik J,
Kulik E,
Ikuhara Y,
Wakai F,
Irifune T.
Transparent polycrystalline cubic silicon nitride,
Scientific Reports,
Vol. 7,
Mar. 2017.
-
Gaku Okuma,
Daiki Kadowaki,
Tsuyoshi Hondo,
Akihiro Sato,
Satoshi Tanaka,
FUMIHIRO WAKAI.
Computation of sintering stress and bulk viscosity from microtomographic images in viscous sintering of glass particles,
Journal of the American Ceramic Society,
Vol. 100,
No. 3,
p. 867-875,
Mar. 2017.
-
Yoshida K,
Nishiyama N,
Sone M,
Wakai F.
Strength and toughness of nanocrystalline SiO2 stishovite toughened by fracture-induced amorphization,
Acta Materialia,
Vol. 124,
pp. 316-324,
Feb. 2017.
-
Kimiko Yoshida,
Norimasa Nishiyama,
Masato Sone,
Fumihiro Wakai.
Strength and toughness of nanocrystalline SiO2 stishovite toughened by fracture-induced amorphization,
Acta Materialia,
Vol. 124,
pp. 316-324,
Jan. 2017.
-
Tsuyoshi Hondo,
Zenji Kato,
Kouichi Yasuda,
Fumihiro Wakai,
Satoshi Tanaka.
Coarse pore evolution in dry-pressed alumina ceramics during sintering,
Advanced Powder Technology,
Vol. 27,
pp. 1006-1012,
June 2016.
-
Gaku Okuma,
Daiki Kadowaki,
Yutaka Shinoda,
Takatshi Akatsu,
Olivier Guillon,
Fumihiro Wakai.
Determination of the size of representative volume element for viscous sintering,
Journal of Ceramic Society Japan,
Vol. 124,
pp. 421-425,
Apr. 2016.
-
Fumihiro Wakai,
Kouta Katsura,
Shun Kanchika,
Yutaka Shinoda,
Takashi Akatsu,
Kazunari Shinagawa.
Sintering force behind the viscous sintering of two particles,
Acta Materialia,
Vol. 109,
pp. 292-299,
Apr. 2016.
-
Benjamin Dargatz,
Jesus Gonzalez-Julian,
Martin Bram,
Yutaka Shinoda,
Fumihiro Wakai,
Olivier Guillon.
FAST/SPS sintering of nano crystalline zinc oxide Part II: Abnormal grain growth, texture and grain anisotropy,
Journal of European Ceramic Society,
Vol. 36,
pp. 1221-1232,
Jan. 2016.
-
Y. Shinoda,
R. Raj,
Y. Minoguchi,
T. Akatsu,
F. Wakai.
Hafnia-silicon carbide nano composites II: Measurements of the residual stress,
Journal of European Ceramic Society,
Vol. 36,
pp. 937-942,
Jan. 2016.
-
Akatsu, T.,
Takashima, H.,
Shinoda, Y.,
FUMIHIRO WAKAI,
Wakayama, S..
Thermal-Shock Fracture and Damage Resistance Improved by Whisker Reinforcement in Alumina Matrix Composite,
International Journal of Applied Ceramic Technology,
Vol. 13,
No. 4,
pp. 653-661,
2016.
-
Akatsu, T.,
Numata, S.,
Demura, T.,
Shinoda, Y.,
FUMIHIRO WAKAI.
Representative indentation yield stress evaluated by behavior of nanoindentations made with a point sharp indenter,
Mechanics of Materials,
Vol. 92,
pp. 1-7,
2016.
-
Kimiko Yoshida,
Fumihiro Wakai,
Norimasa Nishiyama,
Risako Sekine,
Yutaka Shinoda,
Takashi Akatsu,
Takashi Nagoshi,
Masato Sone.
Large increase in fracture resistance of stishovite with crack extension less than one micrometer,
Scientific Reports,
Vol. 5,
10993,
June 2015.
-
Raayaa Wananuruksawong,
YUTAKA SHINODA,
TAKASHI AKATSU,
FUMIHIRO WAKAI.
High-strain-rate superplasticity in nanocrystalline silicon nitride ceramics under compression,
Scripta Mater.,
Vol. 103,
pp. 22-25,
May 2015.
-
R. Wananuruksawong,
Y. Shinoda,
T. Akatsu,
F. Wakai.
Evolution of microstructure and intergranular glass chemistry in plastically deformed nanocrystalline Si3N4 ceramics,
Journal of the American Ceramic Society,
Vol. 98,
No. 1,
pp. 178-185,
Jan. 2015.
-
T. Akatsu,
S. Numata,
T. Demura,
Y. Shinoda,
F. Wakai.
Representative indentation elastic modulus evaluated by unloading of nano indentation made with a point sharp indenter,
Mechanics of Materials,
Vol. 83,
pp. 66-71,
Jan. 2015.
-
K. Katsura,
Y. Shinoda,
T. Akatsu,
F. Wakai.
Sintering force behind shape evolution by viscous flow,
Journal of the European Ceramic Society,
Vol. 35,
pp. 1119-1122,
Jan. 2015.
-
Masaki Narisawa,
Fuji Funabiki,
Akihiro Iwase,
Fumihiro Wakai,
Hideo Hosono.
: Effects of Atmospheric Composition on the Molecular Structure of Synthesized Silicon Oxycarbides,
J. Am. Ceram. Soc.,
Vol. 98,
pp. 3373-3380,
2015.
-
N. Nishiyama,
F. Wakai,
H. Ohfuji,
Y. Tamenori,
H. Murata,
T. Taniguchi,
M. Matsushita,
M. Takahashi,
E. Kulik,
K. Yoshida,
K. Wada,
J. Bednarcik,
T. Irifune.
Fracture-induced amorphization of polycrystalline SiO2 Stishovite: a potential platform for toughening in ceramics,
Scientific Reports,
Vol. 4,
6558,
Oct. 2014.
-
Takamasa ONOKI,
Y. Shinoda,
T. Akatsu,
F. Wakai.
New processing method for tungsten carbide nano-crystalline particles and nano structural carbon via polyacrylonitrile gasification,
Journal of Ceramic Society Japan,
Vol. 122,
pp. 570-573,
Mar. 2014.
-
F. Wakai,
Olivier Guillon.
Evaluation of sintering stress from 3-D visualization of microstructure: Case study of glass films sintered by viscous flow and imaged by X-ray microtomography,
Acta Metallurgica,
Vol. 66,
pp. 54-62,
Jan. 2014.
-
TAKASHI AKATSU,
Shin Nakanishi,
yasuhiro tanabe,
FUMIHIRO WAKAI,
EIICHI YASUDA.
Toughening enhanced at elevated temperatures in an alumina/zirconia dual-phase matrix composite reinforced with silicon carbide whiskers,
Journal of the European Ceramic Society,
Elsevier,
33,
3157-3163,
Dec. 2013.
-
TAKASHI AKATSU,
Yamada Yuji,
Yasuto Hoshikawa,
Takamasa ONOKI,
YUTAKA SHINODA,
FUMIHIRO WAKAI.
Multifunctional porous titanium oxide coating with apatite forming ability and photocatalytic activity on a titaniumsubstrate formed by plasma electrolytic oxidation,
Materials Science and Engineering C,
Elsevier,
33,
4871-4875,
Dec. 2013.
-
A. Domínguez-Rodríguez,
D. Gómez-García,
F. Wakai.
High temperature plasticity in yttria stabilized tetragonal zirconia polycrystals (Y-TZP),
International Materials Reviews,
Vol. 58,
pp. 399-417,
Aug. 2013.
-
Norimasa Nishiyama,
Takashi Taniguchi,
Hiroaki Ohfuji,
Kimiko Yoshida,
Fumihiro Wakai,
Byung-Nam Kim,
Hidehiro Yoshida,
Yuji Higo,
Astrid Holzheid,
Oliver Beermann,
Tetsuo Irifune,
Yoshio Sakka,
Ken-ichi Funakoshi.
Transparent nanocrystalline bulk alumina obtained at 7.7 GPa and 800 C,
Scripta Materialia,
Vol. 69,
pp. 362-365,
May 2013.
-
Raayaa Wananuruksawong,
YUTAKA SHINODA,
TAKASHI AKATSU,
FUMIHIRO WAKAI.
Effect of CaO Addition on Compressive Deformation of Silicon Nitride Ceramic with Y-Mg-Si-O-N Glassy System,
International Journal of Applied Ceramic Technology,
The American Ceramic Society,
10,
5,
756-763,
May 2013.
-
F. Wakai,
K.A. Brakke.
Tensor virial equation of evolving surfaces in sintering of aggregates of particles by diffusion,
Acta Materialia,
Vol. 61,
pp. 4103-4112,
Apr. 2013.
-
TAKASHI AKATSU,
Takashiro KATO,
Yutaka SHINODA,
Fumihiro WAKAI.
Thermal barrier coating made of porous zirconium oxide on a nickel-based single crystal superalloy formed by plasma electrolytic oxidation,
Surface & Coatings Technology,
Elsevier,
Volume 223,
No. 25,
p. 47-51,
Feb. 2013.
-
F. Wakai.
Mechanics of viscous sintering on the micro-and macro-scale,
Acta Materialia,
Vol. 61,
pp. 239-247,
Jan. 2013.
-
若井史博.
焼結力学のマルチスケールモデル,
粉体および粉末冶金,
Vol. 59,
No. 12,
pp. 721-727,
Dec. 2012.
-
Fumihiro Wakai,
Bordia Rajendra K..
Microstructural evolution and anisotropic shrinkage in constrained sintering and sinter forging,
Journal of the American Ceramic Society,
Vol. 95,
No. 8,
pp. 2389-2397,
Sept. 2012.
-
F. Wakai,
Y. Shinoda,
T. Akatsu.
Tensor-Virial Equation for Deformation of a particle in viscous sintering,
Journal of the American Ceramic Society,
Vol. 95,
No. 9,
pp. 2785-2787,
Sept. 2012.
-
Fumitaka Yoshimura,
Mika Ishizaki,
Fumihiro Wakai,
Masahiko Hara,
Osamu Odawara,
Hiroyuki Wada.
Optical Properties of Afterglow Nanoparticles Sr2MgSi2O7: Eu2+, Dy3+ Capped with Polyethylene Glycol,
Advances in Optical Technologies,
2012,
814745,
Feb. 2012.
-
Fumihiro Wakai,
Hirotaka Fukutome,
Norihiro Kobayashi,
Tomoyuki Misaki,
Yutaka Shinoda,
Takashi Akatsu,
Masato Sone,
Yakichi Higo.
Direct observation of sintering mechanics of a single grain boundary,
Acta Materialia,
Vol. 60,
pp. 507-516,
Feb. 2012.
-
Nikolic Zoran S.,
Fumihiro Wakai.
Three-dimensional computer study of rearrangement during liquid phase sintering,
Mathematical Computer Modelling,
Vol. 55,
1251-1262,
Jan. 2012.
-
T Akatsu,
T Kato,
Y Shinoda,
F Wakai.
Zirconia based ceramic coating on a metal with plasma electrolytic oxidation,
Materials Science and Engineering,
IOP Publishing Ltd,
Vol. 18,
Oct. 2011.
-
R.L. González-Romero,
J.J Meléndez,
Diego Gómez-García,
F.L. Cumbrera,
Arturo Domínguez-Rodríguez,
FUMIHIRO WAKAI.
Cation diffusion in yttria-zirconia by molecular dynamics,
Solid State Ionics,
Vol. 204-205,
1-6,
Oct. 2011.
-
F. Wakai,
K.A. Brakke.
Mechanics of sintering for coupled grain boundary and surface diffusion,
Acta Materialia,
Vol. 59,
pp. 5379-5387,
Aug. 2011.
-
Nikolic Zoran S.,
F. Wakai.
Computer study of liquid phase sintering - three-dimensional time dependent rearrangement,
Materials Science and Engineering,
Vol. 18,
202005,
June 2011.
-
Fumitaka Yoshimura,
Kazutaka Nakamura,
Fumihiro Wakai,
Masahiko Hara,
Osamu Odawara,
Hiroyuki Wada.
Preparation of Long-Afterglow Colloidal Solution of Sr2MgSi2O7: Eu2+, Dy3+ by Laser Ablation in Liquid,
Applied Surface Science,
vol. 257,
num. 6,
p. 2170-2175,
Jan. 2011.
公式リンク
-
Fumihiro Wakai,
Zoran Nikolic.
Effect of grain boundary sliding on shear viscosity and viscous Poisson&s ratio in macroscopic shrinkage during sintering,
Acta Materialia,
Vol. 59,
pp. 774-784,
Jan. 2011.
-
FUMIHIRO WAKAI,
TAKASHI AKATSU.
Anisotropic viscosities and shrinkage rates in sintering of particles arranged in a simple orthorhombic structure,
Acta Materialia,
Vol. 58,
pp. 1921-1929,
Feb. 2010.
-
FUMIHIRO WAKAI.
Comment on “Local vs. global approach in the analysis of sintering kinetics”,
Scripta Materialia,
Vol. 62,
pp. 117-119,
Jan. 2010.
-
Fumihiro Wakai,
Dmitri V. Louzguine-Luzgin,
黒田敏雄.
A microscopic model of interface-reaction-controlled sintering of spherical particles of different phases,
Journal of the American Ceramic Society,
Vol. 92,
No. 8,
pp. 1663-1671,
Aug. 2009.
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Kentarou Chihara,
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Jyunichi Tatami,
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High-temperature compressive deformation of SiAlON polycrystals prepared without additives,
Key Engineering Materials,
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Yutaka Shinoda,
Yuki Yanagisawa,
Takashi Akatsu,
Fumihiro Wakai,
Hidetoshi Fujii.
Development of Creep-Resistant Tungsten Carbide Copper Cemented Carbide,
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Guoqiang Xie,
Dmitri V. Louzguine-Luzgin,
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Large-size ultrahigh strength Ni-based bulk metallic glassy matrix composites with enhanced ductility fabricated by spark plasma sintering,
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Guoqiang Xie,
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Microstructure and properties of ceramic particulate reinforced metallic glassy matrix composites fabricated by spark plasma sintering,
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Takuya Tokiyama,
Yutaka Shinoda,
Takashi Akatsu,
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Enhancement of high-temperature deformation in fine-grained silicon carbide with Al doping,
Materials Science & Engineering B,
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Katsutoshi Komeya.
High-temperature compressive deformation of b-SiAlON polycrystals containing minimum amount of intergranular glass phase,
Materials Science & Engineering B,
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Y. Shinoda,
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Integrated molding of nanocrystalline tungsten carbide powder with stainless steel,
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Yutaka Shinoda,
Sung-Wng Kim,
Fumihiro Wakai,
Hideo Hosono.
Plasticity of Fe-Oxypnictides Superconductor,
J. Phys. Soc. Jpn. Suppl. C,
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山田 勝則,
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Guoqian Xie,
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Fabrication of Ni52.5Nb10Zr15Ti15Pt7.5 bulk metallic glassy matrix composite containing dispersed ZrO2 particulates by spark plasma sintering,
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Michiyuki Yoshida,
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Takashi Akatsu,
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Development of Nanoceramics; Application to Diffusion Bonding,
Ceramic Transactions,
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Fumihiro Wakai.
Three-dimensional simulation of coarsening and grain growth in sintering,
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Fumihiro WAKAI,
Diego GOMEZ-GARCIA,
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Pore channel closure in sintering of a ring of three spheres,
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Interplay between Surface and Grain Boundary in Sintering,
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Kentarou CHIHARA,
Daisuke HIRATSUKA,
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Fumihiro WAKAI,
Katsutoshi KOMEYA.
High temperature deformation of a-SiAlON nanoceramics without additives,
Scripta Materialia,
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Eiichiro Narimatsu,
YUTAKA SHINODA,
Takashi Akatsu,
Fumihiro Wakai.
Effect of chemical composition of intergranular glass on superplastic compressive deformation of b-silicon nitride,
J. Euro. Ceram. Soc.,
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Fumihiro Wakai,
Takashi Akatsu,
YUTAKA SHINODA.
Shrinkage and disappearance of a closed pore in the sintering of particle cluster,
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Satoru Ishihara,
T. Nishimura,
Joachim Bill,
Fritz Aldinger,
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Bulk consolidation of non-oxide ceramic powders derived from polymer precursors,
Key Engineering Materials,
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Eiichiro Narimatsu,
YUTAKA SHINODA,
Takashi Akatsu,
Fumihiro Wakai.
Effect of chemical composition of intergranular glass on superplastic deformation of b-silicon nitride,
Key Engineering Materials,
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Kentarou Chihara,
YUTAKA SHINODA,
Takashi Akatsu,
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Superplastic deformation of silicon nitride nanocomposite at high strain rates,
Key Engineering Materials,
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Michiyuki Yoshida,
YUTAKA SHINODA,
Takashi Akatsu,
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Deformation behavior of SiO2 doped nanocrystalline monoclinic zirconia at low temperatures,
Key Engineering Materials,
Vol. 317-318,
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Fumihiro Wakai,
YUTAKA SHINODA,
Takashi Akatsu.
Evaluation of thermal stability of porous materials by sintering stress,
Key Engineering Materials,
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Fumihiro Wakai,
YUTAKA SHINODA,
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Quasi-equilibrium sintering of particle clusters containing Bernal holes,
Int. J. Mat. Res.,
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Fumihiro Wakai,
Michiyuki Yoshida,
Bhagwati P. Kashap.
Influence of particle arrangement on coarsening during sintering of three spherical particles,
J. Ceram. Soc. Japan,
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F. Wakai,
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Coarsening and grain growth in sintering of two particles af different size,
Acta Materialia,
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M. Yoshida,
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Effect of yttrium on the deformation of nanocrystalline ZrO2 at elevated temperatures,
Materials Science Forum,
pp. 359-364,
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F. Wakai,
Y. Shinoda,
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Methods to calculate sintering stress of porous materials in equilibrium,
Acta Materialia,
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E. Hiyoshi,
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Effect of Temperature and Chemical Composition of Intergranular Glass on Dihedral Angle of Glass-Doped 3Y-TZP,
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M. Yoshida,
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Analysis of the Deformation Behavior in Nanocrystaline Y2O3 Stabilized tetragonal ZrO2,
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M. Yoshida,
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Superplasticity-like Deformation of Nanocrystalline Monoclinic Zirconia at Elevated Temperatures,
J. Am. Ceram. Soc.,
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F. Wakai,
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Dynamics of grain boundary networks in superplasticity,
Materials Science Forum,
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Hui GU,
Takayuki NAGANO,
Guo-Dong ZHAN,
Mamoru MITOMO,
Fumihiro WAKAI.
Dynamic Evolution of Grain-Boundary Films in Liquid-Phase-Sintered Ultrafine Silicon Carbide Material,
J. Am. Ceram. Soc.,
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FUMIHIRO WAKAI,
Fritz ALDINGER.
Equilibrium Configuration of Particles in Sintering Under Constraint,
Acta Materialia,
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Satoru ISHIHARA,
Joachim BILL,
Fritz ALDINGER,
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Compressive deformation of Precursor Derived Si-C-N Ceramics at Elevated Temperatures,
Materials Transactions,
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Satoru ISHIHARA,
Tsukasa HIRAYAMA,
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Fritz ALDINGER,
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Compressive Deformation of Partially Crystallized Amorphous Si-B-C-N Ceramics at Elevated Temperatures,
Materials Transactions,
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FUMIHIRO WAKAI,
Fritz Aldinger.
Sintering through surface motion by the difference in mean curvature,
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Satoru ISHIHARA,
Hui GU,
Joachim BILL,
Fritz ALDINGER,
Fumihiro WAKAI.
Densification of Precursor-Derived Si-C-N Ceramics by High-Pressure Hot Isostatic Pressing,
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A. MUNOZ,
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High Temperature Plastic Anisotropy of YTZ-Single Crystals,
J. Euro. Ceram. Soc.,
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Michiyuki YOSHIDA,
YUTAKA SHINODA,
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Deformation of Monoclinic ZrO2 Polycrystals and Y2O3-Stabilized Tetragonal ZrO2 Polycrystals below the Monoclinic-Tetragonal Transition Temperature,
J. Am. Ceram. Soc.,
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M. Yoshida,
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Deformation of Monoclinic ZrO2 Polycrystals and Y2O3-Stabilized Tetragonal ZrO2 Polycrystals below the MonoclinicミTetragonal Transition Temperature,
J. Am. Ceram. Soc.,
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Fumihiro WAKAI,
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Arturo DOMINGUEZ-RODRIGUEZ.
Topological Transformation of Grains in Superplasticity-like Shear Deformation,
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2002.
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Guenter THURN,
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Ultrahigh-temperature deformation of high-purity HIPed Si3N4,
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2001.
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A. MUNOZ,
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Temperature Plastic Deformation of a Tetragonal Y2O3-Stabilized ZrO2 Single Crystals,
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Fumihiro WAKAI,
YUTAKA SHINODA,
Satoru ISHIHARA,
Arturo DOMINGUEZ-RODRIGUEZ.
Statistics of Grain Disappearance in Three-Dimensional Normal Grain Growth,
Phil. Mag.,
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Fumihiro WAKAI,
YUTAKA SHINODA,
Satoru ISHIHARA,
Arturo DOMINGUEZ-RODRIGUEZ.
Topological Transformation of Grains in Three-Dimensional Normal Grain Growth,
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2001.
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Hiroshi OGAWA,
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Molecular Dynamics Simulation of the Grain Growth in Nano-Grained Metallic Polycrystals,
Mater. Trans.,
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2001.
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FUMIHIRO WAKAI.
Grain boundary dynamics in ceramics superplasticity,
Revista de Metalurgia (Madrid),
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2001.
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F. Wakai,
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Statistics of grain disappearance in three-dimensional normal grain growth,
Phil. Mag. B,
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Fumihiro WAKAI,
Naoya ENOMOTO,
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Three Dimensional Microstructural Evolution in Ideal Grain Growth - General Statistics -,
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2000.
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Fumihiro WAKAI,
Naoki KONDO,
YUTAKA SHINODA.
Ceramics Superplasiticity,
Current Opinion on Solid State & Materials Science,
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1999.
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T. Nagano,
H. Gu,
Y. Shinoda,
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Tensile Ductility of Liquid-Phase Sintered Silicon Carbide at Elevated Temperatures,
Mater. Sci. Forum,
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1999.
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Hui GU,
YUTAKA SHINODA,
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Detection of Boron Segregation to Grain Boundaries in Silicon Carbide by Spatially Resolved Electron Energy-Loss Spectroscopy,
J. Am. Ceram. Soc.,
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1999.
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YUTAKA SHINODA,
Takayuki NAGANO,
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Fabrication of Nanograine Silicon Carbide by Ultrahigh-Pressure Hot Isostatic Pressing,
J. Am. Ceram. Soc.,
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1999.
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Naoki KONDO,
Yoshikazu SUZUKI,
Tatsuki OHJI,
Eiichi SATO,
Fumihiro WAKAI.
Change in Stress Sensitivity and Activation Energy during Superplastic Deformation of Silicon Nitride,
Mater. Sci. Engng,
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1999.
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近藤直樹,
FUMIHIRO WAKAI.
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1999.
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YUTAKA SHINODA,
Takayuki NAGANO,
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Superplasticity of Silicon Carbide,
J. Am. Ceram. Soc.,
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1999.
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Ken-ichi KAKIMOTO,
Fumihiro WAKAI,
Joachim BILL,
Fritz ALDINGER.
Synthesis of Si-C-O Bulk Ceramics with Various Chemical Compositions from Polycarbosilane,
J. Am. Ceram. Soc.,
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1999.
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Bernd BAUFELD,
Hui GU,
Joachim BILL,
Fumihiro WAKAI,
Fritz ALDINGER.
High Temperature Deformation of Precursor-Derived Amorphous Si-B-C-N Ceramics,
J. Euro. Ceram. Soc.,
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1999.
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Ken-ichi KAKIMOTO,
Fumihiro WAKAI,
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Fritz ALDINGER.
Fabrication of Polycarbosilane derived SiC Bulk Ceramics by Carbothermal Reductions,
Nano Structured Materials,
Vol. 12,
pp. 175-178,
1999.
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Y. Shinoda,
T. Nagano,
H. Gu,
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High Temperature Compressive Deformation Behavior of Superplastic B, C-SiC,
Mater. Sci. Forum,
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1999.
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Naoki KONDO,
Eiichi SATO,
Tatsuki OHJI,
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Masamichi YAMAGIWA,
T. NISHIOKA,
Akira YAMAKAWAAkira Ya.
Indentation Cracks in Superplastically Deformed Silicon Nitride Consisting of Strongly Aligned Rod-Shaped Grains,
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1998.
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Naoki KONDO,
Tatsuki OHJI,
Fumihiro WAKAI.
Deformation Conditions of b-SiAlON to Achieve Large Superplastic Elongation,
J. Ceram. Soc. Japan,
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1998.
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Naoki KONDO,
Eiichi SATO,
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Geometrical Microstructural Development in Superplastic Silicon Nitride with Rod-Shaped Grains,
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1998.
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Naoki KONDO,
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Superplastic Forging of Silicon Nitride Ceramics with Anisotropic Microstructure Control,
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Hui GU,
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Segregation and Local Structure at Grain Boundaries in SiO2-Doped Tetragonal ZrO2 Polycrystalline Materials,
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1998.
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Naoki KONDO,
Tatsuki OHJI,
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Strengthening and Toughness of Silicon Nitride by Superplastic Deformation,
J. Am. Ceram. Soc.,
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Fumihiro WAKAI,
Takayuki NAGANO,
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Hardening in Creep of Alumina by Zr Segregation at Grain Boundary,
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Eiichi SATO,
Naoki Kondo,
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Particle Size, Shape and Orientation Distributions-General Spheroid Problem and Application on Deformed Si┣D23┫D2N┣D24┫D2 Microstructures,
Phil. Mag. A,
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1996.
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Fumihiro WAKAI,
Naoki KONDO,
Hiroshi OGAWA,
Takayuki NAGANO,
Sadahiro TSUREKAWA.
Ceramics Superplasticity: Deformation Mechanisms and Microstructures,
Materials Characterization,
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1996.
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Naoki KONDO,
Fumihiro WAKAI.
Crack Formation and Oxidation in Superplastically Deformed Si3N4,
J. Mater. Sci.,
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1996.
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T. HIRANO,
Koichi NIIHARA,
Tatsuki OHJI,
Fumihiro WAKAI.
Improved Creep Resistance of Si3N4/SiC Nanocomposites Fabricated from Amorphous Si-C-N Precursor Powder,
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1996.
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Naoki KONDO,
Fumihiro WAKAI,
Masamichi YAMAGIWA,
T. NISHIOKA,
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High Temperature Deformation of Silicon Nitride Ceramics with Different Microstructures,
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Hiroshi OGAWA,
Fumihiro WAKAI,
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Molecular Dynamics Simulation of the Model Grain Boundary Structure of Polycrystalline Materials.,
Molecular Simulation,
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1996.
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Tooru NONAMI,
Fumihiro WAKAI.
Evaluation of Crack Propagation in Hydroxyapatite by Double-Torsion Method in Air, Water and Toluene,
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Naoki KONDO,
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Superplastic Si3N4 Ceramics Consisting of Rod-Shaped Grains,
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Takayuki NAGANO,
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Diffusion Bonding of Al2O3/TiC Composite,
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1994.
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Fumihiro WAKAI.
Step Model of Solution-Precipitation Creep,
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Shuji SAKAGUCHI,
Norimitsu MURAYAMA,
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Fumihiro WAKAI.
The Relation between Internal Friction and Tensile Creep Deformation on Alumina Ceramics,
J. Alloys Comp.,
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1994.
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Takayuki NAGANO,
Fumihiro WAKAI.
Relationship between Surface Roughness and Bonding Strength in Superplastic Diffusion Bonding,
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1994.
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Shuji SAKAGUCHI,
Norimitsu MURAYAMA,
Yasuharu KODAMA,
Fumihiro WAKAI.
R-Curve Measurement of Silicon Nitride Ceramics Using Single-Edge Notched Beam Specimens,
J. Mater. Sci.,
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1994.
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Takayuki NAGANO,
Fumihiro WAKAI.
Relationship between Tensile and Bonding Strength in Superplastic Diffusion Bonded Bodies between ZrO2 and ZrO2/Al2O3 Composites,
J. Ceram. Soc. Japan,
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1994.
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Tanguy ROUXEL,
Fumihiro WAKAI,
Shuji SAKAGUCHI.
R-Curve Behavior and Stable Crack Growth at Elevated Temperature (1500C-1650C) in a Si3N4/SiC Nanocomposite,
J. Am. Ceram. Soc.,
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1994.
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Tanguy ROUXEL,
Fumihiro WAKAI,
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Intragranular Crack Deflection and Crystallographic Slip in Si┣D23┫D2N┣D24┫D2/SiC Nano-Composites,
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Takayuki NAGANO,
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Fabrication of Zirconia-Alumina Functionally Gradient Material By Superplastic Diffusion Bonding,
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1993.
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Tanguy ROUXEL,
Fumihiro WAKAI.
The Brittle to Ductile Transition in a Si┣D23┫D2N┣D24┫D2/SiC Composite with a Glassy Grain Boundary Phase,
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Shuji SAKAGUCHI,
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R-Curve Behavior of Engineering Ceramics,
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1992.
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Norimitsu MURAYAMA,
Masanobu AWANO,
Yasuharu KODAMA,
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Fumihiro WAKAI.
Thermal Instability of Bi-Pb-Sr-Ca-Cu-O Superconductor around 650C,
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Norimitsu MURAYAMA,
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Mechanical Strength of Hot-Pressed Bi-Pb-Sr-Ca-Cu-O Superconductor,
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Norimitsu MURAYAMA,
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Densification of Bi-Pb-Sr-Ca-Cu-O Superconductor by Hot Press Sintering and Critical Current Density,
J. Ceram. Soc. Japan,
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Tanguy ROUXEL,
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Tensile Ductility of Superplastic Al2O3-Y2O3-Si3N4/SiC Composites,
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Superplasticity of Mullite-Zirconia Composite,
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Takayuki NAGANO,
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Norimitsu MURAYAMA,
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Two Step Dependence of Critical Temperature on Oxygen Content for the Bi-Pb-Sr-Ca-Cu-O Superconductor,
Physica C,
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Fumihiro WAKAI,
Takayuki NAGANO.
Effects of Solute Ion and Grain Size on Superplasticity of ZrO┣D22┫D2 Polycrystals,
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Shuji SAKAGUCHI,
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Equation for the Evaluation of Fracture Toughness by Chevlon Notched Beam with Using JIS Type Bending Bar Specimen, - Analysed with the Method by Munz,
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Fumihiro WAKAI.
Superplasticity of Ceramics,
Ceramics International,
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Phillip DESCAMPS,
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Comparison of Superplastic Behavior of Two Different Ceramic Materials,
J. Belgian Ceram. Soc.,
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Shuji SAKAGUCHI,
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The Poisson's Ratio of Engineering Ceramics at Elevated Temperature,
J. Mater. Sci. Lett.,
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Norimitsu MURAYAMA,
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Influence of Magnetic Field on Transport Current Path in Bi-Pb-Sr-Ca-Cu-O Granular Superconductor,
Physica C,
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Superplastic Ceramics - Today & Tomorrow,
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Microstructure and Superconducting Properties of Hot-Pressed Bi-Pb-Sr-Ca-Cu-O Thick Film,
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Recent Advances in Superplastic Ceramics and Ceramic Composites,
International Materials Review,
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Fumihiro WAKAI,
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British Ceramic Transactions and Journal,
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Fumihiro WAKAI,
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Superplasticity of TZP/Al2O3 Composite,
Advanced Ceramic Materials,
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Norimitsu MURAYAMA,
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Role of Interface-Controlled Diffusion Creep on Superplasticity of Yttria-Stabilized Tetragonal ZrO2 Polycrystals,
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Effect of Dispersion of ZrO2 Particles on Creep of Fine-Grained Al2O3,
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Superplastizitat von Yttrium-stabilisiertem TZP,
Keramische Zeitsschrift,
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Superplasticity of Yttria-Stabilized Tetragonal ZrO┣D22┫D2 Polycrystals,
Advanced Ceramic Materials,
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Compressive Deformation of Y2O3-stabilized ZrO2/Al2O3 Composite,
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Arturo Dominguez-Rodriugez,
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Ceramic Matrix Composites Chapter 16, Superplastic Ceramic Composite,
Woodhead Publishing Limited,
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Fumihiro Wakai,
Arturo Dominguez-Rodriguez.
Nanomaterials - from Research to Applications, Chapter 8 Grain boundary dynamics in superplasticity,
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ナノコンポジットマテリアル -金属・セラミック・ポリマー 3大物質のナノコンポジット,
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新時代を拓くナイトライドセラミックス -エンジニアリングセラミックスからスピン・レーザー半導体素子まで-,
ティー・アイ・シー,
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FUMIHIRO WAKAI,
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Time Dependent Mechanical Response of Engineering Ceramics,
Time Dependent Mechanical Response of Engineering Ceramics,
Trans Tech Publications,
1999.
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Joachim BILL,
Fritz ALDINGER,
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Precursor-Derived Ceramics,
Wiley-VCH,
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柔軟なシステム変化のプロセス,
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1995.
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材料の長寿命化-セラミックス,
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セラミックスの超塑性現象とプロセッシングへの応用,
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The Proceedings of MRS International Symposium on Advanced Materials, Vol.7,
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アコースティックエミッション (AE),
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1986.
国際会議発表 (査読有り)
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Gaku Okuma,
Kei Maeda,
Satoshi Yoshida,
Fumihiro WAKAI.
Morphology of subsurface cracks induced by Vickers indentation observed by synchrotron X-ray CT: a case study of CaO−Al2O3−SiO2 glass-ceramic,
The Japan Society of Mechanical Engineers ICM&P 2022,
Nov. 2022.
-
Gaku Okuma,
Toshio Osada,
Haruki Minagawa,
Yutaro Arai,
Ryo Inoue,
Hideki Kakisawa,
Satoshi Tanaka,
Fumihiro Wakai.
Heterogeneous evolution of pore distribution during sintering of a submicron alumina powder observed by using synchrotron X-ray CT,
International Conference on the Characterization and Control of Interfaces for High Quality Advanced Materials (ICCCI2022),
Nov. 2022.
-
Haruki MINAGAWA,
Gaku Okuma,
Yutaro ARAI,
Satoshi TANAKA,
Fumihiro WAKAI,
Hideki KAKISAWA,
Ryo INOUE.
Observation of three-dimensional structure of defects in sintered Al2O3,
The Japan Society of Mechanical Engineers ICM&P 2022,
Nov. 2022.
-
Gaku Okuma,
Naoya Saito,
Kotaro Mizuno,
Fumihiro Wakai.
Reliability analysis of electronic device by using synchrotron X-ray nano-CT : Microstructural evolution of electrodes of MLCC,
International Conference on the Science and Technology for Advanced Ceramics (STAC-12),
July 2021.
-
Gaku Okuma,
Shuhei Watanabe,
Kan Shinobe,
Norimasa Nishiyama,
Fumihiro Wakai,
Akihisa Takeuchi,
Kentaro Uesugi,
Satoshi Tanaka.
Processing-induced defects formed during sintering of alumina observed by multiscale 3D X-ray tomography,
The 13th Pacific Rim Conference of Ceramic Societies (PACRIM13),
Oct. 2019.
-
Gaku Okuma,
Shuhei Watanabe,
Kan Shinobe,
Norimasa Nishiyama,
Fumihiro Wakai,
Akihisa Takeuchi,
Kentaro Uesugi,
Satoshi Tanaka.
3D Multiscale-imaging of Processing-induced Defects Formed during Sintering of Alumina,
MATERIALS SCIENCE & TECHNOLOGY (MS&T19),
Oct. 2019.
-
Fumihiro Wakai,
Gaku Okuma,
Norimasa Nishiyama,
Olivier Guillon.
Sintering Forces Acting among Particles during Sintering by Grain Boundary/Surface Diffusion,
MATERIALS SCIENCE & TECHNOLOGY (MS&T19),
Oct. 2019.
-
Fumihiro Wakai,
Gaku Okuma,
Norimasa Nishiyama,
Olivier Guillon.
Mechanics of Sintering in Formation and Disappearance of a Closed Pore,
The 13th Pacific Rim Conference of Ceramic Societies (PACRIM13),
Oct. 2019.
-
Gaku Okuma,
Shuhei Watanabe,
Kan Shinobe,
Norimasa Nishiyama,
Fumihiro Wakai,
Akihisa Takeuchi,
Kentaro Uesugi,
Satoshi Tanaka.
3D processing-induced defects formed during sintering of alumina observed by multiscale X-ray CT,
International Conference on the Science and Technology for Advanced Ceramics (STAC-11),
July 2019.
-
Norimasa Nishiyama,
Fumihiro Wakai.
Toughening by fracture-induced amorphization in nanopolycrystalline SiO2 stishovite,
International Conference on Plasticity, Damage, and Fracture 2019,
Jan. 2019.
-
Norimasa Nishiyama,
Fumihiro Wakai.
Transparent materials fabricated under pressure: permanently densified silica glass and transparent polycrystalline cubic silicon nitride,
14th Laser Ceramics Symposium (LCS2018),
Nov. 2018.
-
Norimasa Nishiyama,
Fumihiro Wakai.
Transparent polycrystalline ceramics fabricated under high pressure and temperature,
MS&T18, Technical Meeting and Exhibition Materials Science & Technology,
Oct. 2018.
-
Gaku Okuma,
Fumihiro Wakai,
Jesus Gonzalez-Julian,
Olivier Guillon.
Sinter forging and X-ray microtomography methods for determining sintering stress and bulk viscosity,
The 6th International Conference on the Characterization and Control of Interfaces for High Quality Advanced Materials,
July 2018.
公式リンク
-
Norimasa Nishiyama,
Fumihiro Wakai.
Transparent polycrystalline cubic silicon nitride and its physical properties,
12th International Conference on Ceramic Materials and Components for Energy and Environmental Applications (CMCEE 2018),
July 2018.
-
Norimasa Nishiyama,
Fumihiro Wakai.
Fabrication of transparent polycrystalline cubic silicon nitride and its physical properties,
7th International Congress on Ceramics,
June 2018.
-
Fumihiro Wakai,
Gaku Okuma,
Norimasa Nishiyama.
Role of microscopic forces in densification of particles in solid state sintering,
The 6th International Symposium on Advanced Ceramics (ISAC-6),
Mar. 2018.
-
Gaku Okuma,
Jesus Gonzalez-Julian,
Olivier Guillon,
Fumihiro Wakai.
Comparison between sinter forging and X-ray microtomography methods for determining sintering stress and bulk viscosity,
The 6th International Symposium on Advanced Ceramics (ISAC-6),
Mar. 2018.
-
Gaku Okuma,
Satoshi Tanaka,
Fumihiro Wakai.
Distinction of stages of sintering from 3D visalization of microstructure in sinteting by using X-ray microtomography,
42nd International Conference & Exposition on Advanced Ceramics and Composites,
Jan. 2018.
-
N. Nishiyama,
R. Ishikawa,
H. Ohfuji,
H. Marquardt,
T. Taniguchi,
B. Kim,
A. Masuno,
Y. Ikuhara,
F. Wakai,
T. Irifune.
Ultra high pressure sintering and synthesis of transparent polycrystalline cubic silicon nitride,
International Conference on Sintering 2017,
Nov. 2017.
-
Tsuyoshi HOND,
Kouichi YASUDA,
Fumihiro WAKAI,
Satoshi Tanaka.
Micro CT observation of structural change from green compact to sintered ceramics,
The 34th International Japan-Korea Seminar on Ceramics,,
The proceeding of the 34th International Japan-Korea Seminar on Ceramics,,
Vol. 34,
No. C-24,
Nov. 2017.
-
Fumihiro Wakai,
Shun Kanchika,
Gaku Okuma,
Norimasa Nishiyama.
Microscopic sintering forces acting among particles during sintering by grain boundary/surface diffusion,
Sintering2017,
Nov. 2017.
-
Gaku Okuma,
Satoshi Tanaka,
Fumihiro Wakai.
Mechanics and evolution of microstructural topology in viscous sintering observed by X-ray microtomography,
Sintering2017,
Nov. 2017.
-
Norimasa Nishiyama,
Ryo Ishikawa,
Hiroaki Ohfuji,
Hauke Marquardt,
Takashi Taniguchi,
Byung-Nam Kim,
Atsunobu Masuno,
Takashi Taniguchi,
Byung-Nam Kim,
Yuichi Ikuhara,
FUMIHIRO WAKAI,
Tetsuo Irifune.
Transparent polycrystalline spinel-type silicon nitride,
PACRIM Symposium 19: Transparent Ceramic Materials and Devices,
May 2017.
-
Hiroyuki Wada,
Fumitaka Yoshimura,
Fumihiro Wakai,
Masahiko Hara,
Osamu Odawara.
Optical properties of long afterglow nanoparticles prepared by laser ablation in liquid,
Pacifichem 2010,
Dec. 2010.
-
Hiroyuki Wada,
Fumitaka Yoshimura,
Fumihiro Wakai,
Masahiko Hara,
Osamu Odawara.
Preparation of long afterglow nanoparticles for bioimaging,
Proc. of Int. conf. on Particle 2010,
May 2010.
-
Kentarou CHIHARA,
YUTAKA SHINODA,
TAKASHI AKATSU,
Fumihiro WAKAI.
Superplastic flow of silicon nitride-based nanocomposite at high strain rates,
Mater. Sci. Forum,
Vol. 551-552,
pp. 597-600,
2007.
-
Michiyuki YOSHIDA,
YUTAKA SHINODA,
TAKASHI AKATSU,
Fumihiro WAKAI.
Effect of yttrium on the deformation of nanocrystalline ZrO2 at elevated temperatures,
Mater. Sci. Forum,
Vol. 447-448,
pp. 359-364,
2004.
-
Michiyuki YOSHIDA,
Yytaka SHINODA,
TAKASHI AKATSU,
Fumihiro WAKAI.
Analysis of the deformation behavior in nanocrystalline Y2O3 stabilized tetragonal ZrO2,
Trans. Mater. Res. Soc. Japan,
Vol. 29,
No. 8,
pp. 3581-3584,
2004.
-
Fumihiro WAKAI,
TAKASHI AKATSU,
YUTAKA SHINODA.
Dynamics of grain boundary networks in superplasticity,
Mater. Sci. Forum,
Vol. 447-448,
pp. 49-54,
2004.
-
Fumihiro WAKAI,
YUTAKA SHINODA,
Satoru ISHIHARA,
Hiroshi OGAWA,
Naoya ENOMOTO,
Arturo Dominguez-Rodriguez.
Microstructural Evolution in Grain Growth,
Trans. Mater. Res. Soc. Japan,
Vol. 27,
No. 2,
pp. 325-328,
2002.
-
Hiroshi OGAWA,
Fumihiro WAKAI.
Atomistic Simulation of the Two-Dimensional Grain Growth,
Trans. Mater. Res. Soc. Japan,
Vol. 27,
No. 2,
pp. 317-319,
2002.
-
Hiroshi. OGAWA,
Naoya SAWAGUCHI,
Fumihiro WAKAI.
A Molecular Dynamics Study of Large Deformation of Nanocrystalline Materials,
Mater. Sci. Forum,
Vol. 357-359,
pp. 571-576,
2001.
-
Fumihiro WAKAI,
YUTAKA SHINODA,
Satoru ISHIHARA,
Arturo DOMINGUEZ-RODRIGUEZ.
Life Span of Grains in Normal Grain Growth,
Materials Science for the 21st Century,
Vol. B,
pp. 111-113,
2001.
-
Hiroshi Ogawa,
Fumihiro Wakai.
Atomistic Simulation of Grain Boundary Diffusion and Plastic Deformation of YSZ Nanocrystals,
4th Pacific Rim International Conference on Advanced Materials and Processing (PRICM4),
pp. 2073-2076,
2001.
-
F. Wakai,
Y. Shinoda,
S. Ishihara,
A. Dominguez-Rodriguez.
Topological transformation of grains in three-dimensional normal grain growth,
J. Mater. Res.,
Vol. 16,
No. 7,
pp. 2136-2142,
2001.
-
FUMIHIRO WAKAI.
Ceramics Superplasticity ; New Properties from Atomic Level Processing,
Mater. Res. Soc. Symp. Proc.,
Vol. 601,
pp. 163-168,
2000.
-
Naoya ENOMOTO,
Fumihiro WAKAI,
Zenbe-e NAKAGAWA.
Sonochemical Processing of Ceramic Powders –Ultrasonic Effects on Oxalate Precipitation in Water-Ethanol Solution-,
Trans. Mater. Res. Soc. Japan,
Vol. 25,
No. 1,
pp. 91-94,
2000.
-
T. Nagano,
H. Gu,
Y. Shinoda,
G.D. Zhan,
M. Mitomo,
F. Wakai.
Superplastic Behavior of Liquid-Phase Sintered b-Silicon Carbide,
Proc. ICCM-6 Ed. D. Hui,
pp. 607-608,
1999.
-
Takayuki Nagano,
Hui gu,
YUTAKA SHINODA,
G.D. Zhan,
Mamoru Mitomo,
Fumihiro Wakai.
Superplastic Behavior of Liquid-Phase Sintered b-Silicon Carbide,
Proc. ICCM-6,
pp. 607-608,
1999.
-
FUMIHIRO WAKAI.
Geometrical Change of Grains in Superplasticity,
Proc. Plasticity '99,
pp. 1045-1048,
1999.
-
FUMIHIRO WAKAI.
Ceramics Superplasticity,
Precursor-Derived Ceramics (Wiley-VCH),
Precursor-Derived Ceramics (Wiley-VCH),
pp. 52-58,
1999.
-
YUTAKA SHINODA,
Takayuki Nagano,
Hui Gu,
Fumihiro Wakai.
High temperature deformation behavior of nanocrystalline ceramics composite,
Proc. ICCM-12 CD-ROM,
1999.
-
Y. Shinoda,
T. Nagano,
H. Gu,
F. Wakai.
High Temperature Deformation Behavior of Nanocrystalline Ceramics Composite,
Proc.ICCM-12,
Vol. CD-ROM,
1999.
-
T. Nagano,
H. Gu,
Y. Shinoda,
G. D. Zhan,
M. Mitomo,
F. Wakai.
Tensile Ductility of Liquid-Phase Sintered b-Silicon Carbide at Elevated Temperature,
Proc.9th Cimtec-World Ceramics Congress, Ceramic,
pp. 25-32,
1999.
-
T. Nagano,
H. Gu,
Y. Shinoda,
G. D. Zhan,
M. Mitomo,
F. Wakai.
Superplastic Behavior of Liquid-Phase Sintered b-Silicon Carbide,
Proc. ICCM-6,
pp. 607-608,
1999.
-
Naoki KONDO,
Tatsuki OHJI,
Eiichi SATO,
Fumihiro WAKAI.
Microstructures and Mechanical Properties of Anisotropic Silicon Nitride Produced by Superplastic Deformation,
Key Engineering Materials,
Vol. 161-163,
pp. 555-558,
1999.
-
YUTAKA SHINODA,
Takayuki NAGANO,
Hui GU,
Fumihiro WAKAI.
High Temperature Compressive Deformation Behavior of Superplastic B, C-SiC,
Mater. Sci. Forum,
Vol. 304-306,
pp. 495-500,
1999.
-
Satoru ISHIHARA,
Fritz ALDINGER,
Joachim BILL,
Fumihiro WAKAI.
High Temperature Deformation of Precursor Derived Si-C-N Ceramics,
Mater. Sci. Forum,
Vol. 304-306,
pp. 501-506,
1999.
-
Takayuki NAGANO,
Hui GU,
YUTAKA SHINODA,
G.D. Zhan,
Mamoru MITOMO,
Fumihiro WAKAI.
Tensile Ductility of Liquid-Phase Sintered b-Silicon Carbide at Elevated Temperatures,
Mater. Sci. Forum,
Vol. 304-306,
pp. 507-512,
1999.
-
Fumihiro WAKAI,
Hiroshi OGAWA.
Movement of Nanocrystalline Grains in Superplasticity,
Key Engineering Materials,
Vol. 166,
pp. 153-156,
1999.
-
Hiroshi OGAWA,
Naoya SAWAGUCHI,
Fumihiro WAKAI.
A Molecular Dynamic Study of Plastic Deformation of Ceramics Polycrystals at High Temperature,
Trans. Mater. Res. Soc. Japan,
Vol. 24,
No. 2,
pp. 253-256,
1999.
-
FUMIHIRO WAKAI.
Ceramics Superplasticity,
Precursor-Derived Ceramics, Wiley-VCH,
pp. 52-58,
1999.
-
Fumihiro WAKAI,
Hiroshi OGAWA.
Geometrical Change of Grains in Superplasticity,
Proc. Plasticity '99: 7th Int. Sym. Plasticity and Its Current Applications, Neat Press,
pp. 1045-1048,
1999.
-
Takayuki Nagano,
Hui Gu,
YUTAKA SHINODA,
G.D. Zhan,
Mamoru Mitomo,
Fumihiro Wakai.
Tensile Ductility of Liquid-Phase Sintered b-silicon carbide at elevated temperature,
Proc. 9th CIMTEC-World Ceramics Congress, Ceramic: Part D,
pp. 25-32,
1998.
-
Fumihiro Wakai,
Takayuki Nagano,
Naoki Kondo.
Ceramics Superplasticity,
Proc. Special Symp. on Advanced Materials,
pp. 433-436,
1998.
-
Takayuki Nagano,
Sawao Honda,
Fumihiro Wakai,
Mamoru Mitomo.
Compressive Deformation of Liquid-phase Sintered Silicon Carbide at Elevated Temperature,
Superplasticity and Superplastic Forming, 1998,
pp. 247-356,
1998.
-
Takayuki Nagano,
Sawao Honda,
Fumihiro Wakai,
Mamoru Mitomo.
Deformation of Liquid-Phase Sintered Silicon Carbide at Elevated Temperatures,
6th Int. Symp. on Ceram. Mater. and Comp. for Engines,
pp. 707-712,
1997.
-
Bernd Baufeld,
Fumihiro Wakai,
Sawao Honda.
Mechanical Properties of Si-B-C-N Precursor Derived Ceramics,
6th Int. Symp. on Ceram. Mater. and Comp. for Engines,
pp. 377-382,
1997.
-
FUMIHIRO WAKAI,
Naoki Kondo,
Hiroshi OGAWA,
TAKAYUKI NAGANO,
Sadahiro TSUREKAWA.
Amorphous grain boundary in superplastic ceramics,
Materials Science Forum,
Vol. 243-245,
pp. 337-344,
1997.
-
Fumihiro WAKAI,
Naoki KONDO,
Hiroshi OGAWA.
Amorphous Grain Boundary in Superplastic Ceramics,
Materials Science Forum,
Vol. 243-245,
pp. 337-344,
1997.
-
Eiichi SATO,
Naoki KONDO,
Fumihiro WAKAI.
Superplasticity in Si3N4 Associated with Rod-like Grain Alignment,
Materials Science Forum,
Vol. 243-245,
pp. 115-124,
1997.
-
Hiroshi OGAWA,
Naoya SAWAGUCHI,
Fumihiro WAKAI.
High Temperature Deformation of Ceramics Simulated by Molecular Dynamics,
Materials Science Forum,
Vol. 243-245,
pp. 115-124,
1997.
-
Ken-ichi Kakimoto,
Fumihiro Wakai,
Joachim Bill,
Fritz Aldinger.
Composition Change of Polycarbosilane-Derived SiC Ceramics by Carbothermic Reduction,
6th Int. Symp. on Ceram. Mater. and Comp. for Engines,
pp. 866-870,
1997.
-
Naoki Kondo,
Eiichi Sato,
Tatsuki Ohji,
Fumihiro Wakai.
Unique Cracking Behavior of Superplastically-Deformed Silicon Nitride,
6th Int. Symp. on Ceram. Mater. and Comp. for Engines,
pp. 782-787,
1997.
-
Hiroshi OGAWA,
Naoya SAWAGUCHI,
Fumihiro WAKAI.
Molecular Dynamics Simulation on the Grain Boundary Structure of Polycrystalline Zirconia,
Trans. MRSJ,
Vol. 20,
pp. 807-810,
1996.
-
Yasuharu KODAMA,
K. KATO,
M. AWANO,
Fumihiro WAKAI,
Y. TORII.
Tensile and Compressive Deformation of the Fine-Grained YBa2Cu3O6+x Ceramics,
Adv. Supercond.,
Vol. 7,
No. 2,
pp. 657-660,
1995.
-
FUMIHIRO WAKAI.
Solution-Precipitation Process in Creep and Superplasticity of Si3N4,
4th EURO Ceramics,
Vol. 3,
pp. 501-508,
1995.
-
FUMIHIRO WAKAI.
Solution-Precipitation Creep Model for Superplastic Ceramics with Intergranular Liquid Film,
Plastic Deformation of Ceramics,
pp. 269-277,
1995.
-
T. Hirano,
K. Niihara,
K. Izaki,
F. Wakai.
Effects of Grain Boundary Structure on Creep Behavior for Si3N4/SiC nanocomposites,
Ceramic Transaction, Material processing and design:grain boundary controlled properties of fine ceramics II,
Ceramic Transaction, Material processing and design:grain boundary controlled properties of fine ceramics II,
Vol. 44,
pp. 211-219,
1994.
-
F.Wakai,
S. Sakaguchi,
N. Murayama,
Y. Kodama,
N. Kondo.
Effect of impurities on deformation of Y2O3-stabilized ZrO2 polycrystals,
Trans. Mat. Res. Soc. Jpn.,
Vol. 16B,
pp. 947-952,
1994.
-
M. Awano,
Y. Kodama,
Y. Takao,
F. Wakai.
Synthesis of the polycrystalline body of Ba2YCu3O7-v superconductor consists of submicron grain s for the superplastic processing,
Trans. Mat. Res. Soc. Jpn.,
Vol. 16B,
pp. 1049-1052,
1994.
-
M. Imuta,
J. Gotoh,
H. Nakayama,
F. Wakai.
Superplasticity and compressive forming of Y-TZP,
Trans. Mat. Res. Soc. Jpn.,
Vol. 16B,
pp. 1053-1057,
1994.
-
Takayuki Nagano,
Fumihiro Wakai.
Superplastic diffusion bonding in ceramics,
Trans. Mat. res. Soc. Jpn.,
Vol. 16B,
pp. 1069-1072,
1994.
-
K. Niihara,
T. Hirano,
K. Izaki,
F. Wakai.
High temperature cree/deformation of Si3N4 nanocomposites,
Ceramic Transaction, Silicon based structural ceramics,
Ceramic Transaction, Silicon based structural ceramics,
Vol. 42,
pp. 207-219,
1994.
-
S. Sakaguchi,
N. Murayama,
Y. Kodama,
F. Wakai.
Fracture toughness measured by indentation fracture method at elevated temperature,
Fracture Mechanics of Ceramics,
Fracture Mechanics of Ceramics,
Vol. 10,
pp. 509-521,
1992.
-
Y. Kodama,
K. Kani,
M. Awano,
F. Wakai.
Preparation of the high density and fine grained YBa2Cu3O7-y by capsule HIP method,
Hot Isostatic Pressing -Theory and Application (Proc. 3rd Int'l. Conf. on HIP),
pp. 393-398,
1992.
-
FUMIHIRO WAKAI.
Development of superplastic functional ceramics through grain refinement,
Proc. JFCC Workshop, Grain Boundary Controlled Properties of Fine Ceramics,
pp. 248-253,
1992.
-
S. Sakaguchi,
N. Murayama,
Y. Kodama,
F. Wakai.
Thermal stress fracture of alumina ceramics,
Ceramics Today - Tomorrow's Ceramics (Proc. 7th CIMTEC World Ceramics Congress),
pp. 1911-1917,
1991.
-
FUMIHIRO WAKAI.
Superplasticity of Ceramics,
Ceramics Today-Tomorrow's Ceramics (Proc. 7th CIMTEC World Ceramics Congress),
pp. 61-76,
1991.
-
FUMIHIRO WAKAI.
Superplasticity of Functional Ceramics,
Superplasticity in Advanced Materials,
Superplasticity in Advanced Materials,
pp. 205-214,
1991.
-
T. Rouxel,
F. Wakai,
K. Izaki,
K. Niihara.
Superplasticity of Si3N4/SiC composites,
Proc. 1st Int'l. Symp. on the Science of Engineering Ceramics,
pp. 437-442,
1991.
-
FUMIHIRO WAKAI.
Superplasticity of non-oxide ceramics,
Materials Research Society Symposium Proceedings,
Materials Research Society Symposium Proceedings,
Vol. 196,
pp. 349-358,
1990.
-
Y. Kodama,
F. Wakai.
Hot deformation and superconductivity of YBa2CuO7-x ceramics,
Advances in Superconductivity II,
pp. 113-116,
1990.
-
FUMIHIRO WAKAI.
Non-Newtonian flow and micrograin superplasticity in ceramics,
Proc. MRS Int'l. Symp. on Advanced Materials vol.7 Superplasticity,
pp. 225-232,
1989.
-
FUMIHIRO WAKAI,
YASUHARU KODAMA,
SHUJI SAKAGUCHI,
NORIMITSU MURAYAMA,
HIDEZUMI KATO,
TAKAYUKI NAGANO.
Superplastic Deformation of ZrO2/Al2O3 Duplex Composite,
Proc. MRS Int'l. Symp. on Advanced Materials vol.7 Superplasticity,
pp. 259-266,
1989.
-
T. Kuroishi,
K. Uno,
F. Wakai.
Characterization of Superplastic ZrO2-Al2O3 Prepared by Slip Casting,
Proc. MRS Int'l. Symp. on Advanced Materials vol.7 Superplasticity,
pp. 267-274,
1989.
-
S.Inoue,
M. Sasagawa,
F. Wakai.
Wear properties of superplastic Al2O3-ZrO2 composite,
Proc. MRS Int'l. Symp. on Advanced Materials,
pp. 275-284,
1989.
-
T. Nagano,
H. Kato,
F. Wakai.
Solid state bonding of superplastic ceramics,
Proc. MRS Int'l. Symp. on Advanced Materials,
pp. 285-292,
1989.
-
FUMIHIRO WAKAI.
Superplasticity of transition metal oxide-doped Y-TZP at low temperatures,
Proc. 1st Japan Int'l. SAMPE Symp.,
pp. 267-271,
1989.
-
S. Sakaguchi,
N. Murayama,
F. Wakai.
Fracture toughness of engineering ceramics measured by indentation fracture method at elevated temperatures,
Proc. MRS Int'l. Symp. on Advanced Materials Vol.5,
pp. 337-342,
1989.
-
Fumihiro WAKAI,
Yasuharu KODAMA,
Takayuki NAGANO.
Superplasticity of ZrO2Polycrystals,
Japanese Journal of Applied Physics, Series 2, Lattice Defects in Ceramics,
pp. 57-67,
1989.
-
Shuji Sakaguchi,
Norimitsu Murayama,
Fumihiro Wakai.
Effect of heat treatment on the fracture of silicon nitride,
Proc. aint'l. Institute of Science of Sintering Symp.,
pp. 1016-1021,
1988.
-
Norimitsu Murayama,
Shuji Sakaguchi,
Fumihiro Wakai.
Evaluation of Impact Fracture Properties at Elevated Temperatures by Instrumented Charpy Test,
Proc. Int'l. Institute for the Science of Sintering Symp.,
pp. 860-865,
1988.
-
FUMIHIRO WAKAI,
NORIMITSU MURAYAMA,
SHUJI SAKAGUCHI,
HIDEZUMI KATO,
KOUTARO KURODA.
Deformation of superplastic tetragonal ZrO2 polycrystals,
Advances in Ceramics, Science and Technology of Zirconia III,
pp. 583-593,
1988.
-
FUMIHIRO WAKAI,
HIDEZUMI KATO.
Rheological flow in superplastic fine-grained ceramic composite,
Ultrastructure Processing of Advanced Ceramics,
Ultrastructure Processing of Advanced Ceramics,
pp. 671-680,
1988.
-
FUMIHIRO WAKAI.
Superplasticity of ZrO2 toughened ceramics,
Superplasticity & Superplastic Forming,
Superplasticity & Superplastic Forming,
pp. 619-623,
1988.
-
FUMIHIRO WAKAI,
SHUJI SAKAGUCHI,
NORIMITSU MURAYAMA.
Slow crack growth of engineering ceramics measured by load relaxation tests on chevron notched beam,
Proc. 13th Japan Congress on Materials Research,
pp. 207-211,
1987.
-
FUMIHIRO WAKAI.
Compressive deformation of the superplastic ceramic composite,
Proc. Japan-China Joint Symposium on Superplasticity,
pp. 67-70,
1986.
-
FUMIHIRO WAKAI,
SHUJI SAKAGUCHI,
KOUZOU KANAYAMA,
HIDEZUMI KATO,
HIROSHI ONISHI.
Hot work of yttria-stabilized tetragonal ZrO2 polycrystals,
Ceramic Materials and Components for Engines,
Ceramic Materials and Components for Engines,
pp. 315-322,
1986.
-
FUMIHIRO WAKAI,
SHUJI SAKAGUCHI,
YOSOO MATSUNO,
HIROSHI OKUDA.
Tensile creep test of hot-pressed Si3N4,
Proc. First Int'l. Symp. on Ceramic Components for Engines,
pp. 279-285,
1984.
国際会議発表 (査読なし・不明)
-
Gaku Okuma,
薄川 隆太郎,
長田 俊郎,
Naoki Kondo,
中島 秀朗,
岡崎 俊也,
町田 慎悟,
新井 優太郎,
井上 遼,
垣澤 英樹,
下田 一哉,
FUMIHIRO WAKAI.
Synchrotron X-ray CT observation of evolution of microstructure and defects in sintering of tape-cast alumina laminates,
第34回日本MRS年次大会,
Dec. 2024.
-
Gaku Okuma,
Toshio Osada,
Haruki Minagawa,
Yutaro Arai,
Ryo Inoue,
Hideki Kakisawa,
Satoshi Tanaka,
Fumihiro Wakai.
Synchrotron X-ray CT visualization of heterogeneous evolution of pore distribution during sintering of a submicron alumina powder,
STAC14,
Oct. 2024.
-
Gaku OKUMA,
Fumihiro WAKAI.
3D Visualization of heterogeneous microstructures and defects in ceramics by using synchrotron X-ray multiscale CT,
The 38th International Japan-Korea Seminar on Ceramics,
Oct. 2024.
-
Gaku Okuma,
Toshio Osada,
Fumihiro Wakai.
Synchrotron X-ray Multiscale CT observation of sintering process for reliable ceramics,
9th Tsukuba International Coating Symposium (TICS9),
Dec. 2022.
-
Gaku OKUMA,
Shuhei WATANABE,
Kan SHINOBE,
Norimasa NISHIYAMA,
Akihisa TAKEUCHI,
Kentaro UESUGI,
Satoshi TANAKA,
Fumihiro WAKAI.
Synchrotron X-ray CT imaging of processing-induced defects formed during sintering of alumina,
MATERIALS RESEARCH MEETING 2019 (MRM2019),
Dec. 2019.
-
Shuhei WATANABE,
Gaku OKUMA,
Yosuke SATO,
Tomoki SEKIYA,
Norimasa NISHIYAMA,
Fumihiro WAKAI.
Prediction of fracture from various shaped defects by XFEM,
MATERIALS RESEARCH MEETING 2019 (MRM2019),
Dec. 2019.
-
Fumihiro WAKAI,
Gaku OKUMA,
Norimasa NISHIYAMA,
Olivier GUILLON.
Micromechanics of Sintering: Pinch-off of Pore Channel, Formation andDisappearance of a Closed Pore,
MATERIALS RESEARCH MEETING 2019 (MRM2019),
Dec. 2019.
-
Ryo MIYAKI,
Kan SHINOBE,
Gaku OKUMA,
Anna SCIAZKO,
Takaaki SHIMURA,
Shotaro HARA,
Toshinori OGASHIWA,
Naoki SHIKAZONO,
Norimasa NISHIYAMA,
Fumihiro WAKAI.
Evolution of anisotropic microstructures in free sintering and constrained sintering of Au sub-micron particles observed by FIB-SEM tomography,
MATERIALS RESEARCH MEETING 2019 (MRM2019),
Dec. 2019.
-
Masaya ENDO,
Gaku OKUMA,
Norimasa NISHIYAMA,
Fumihiro WAKAI.
Fabrication of transparent polycrystalline MgO by combination of spark plasma sintering and high pressure−high temperature synthesis,
MATERIALS RESEARCH MEETING 2019 (MRM2019),
Dec. 2019.
-
Ryo Miyaki,
Gaku Okuma,
Kan Shinobe,
Anna Sciazko,
Takaaki Shimura,
Shotaro Hara,
Toshinori Ogashiwa,
Naoki Shikazono,
Norimasa Nishiyama,
Fumihiro Wakai.
3D evolution of anisotropic microstructures in free sintering and constrained sintering of Au sub-micron particles observed by FIB-SEM tomography,
The 4th International Symposium on Creation of Life Innovation Materials for Interdisciplinary and International Researcher Development (iLIM-4),
Oct. 2019.
-
Norimasa Nishiyama,
Fumihiro Wakai.
Fabrication of transparent polycrystalline cubic silicon nitride and its physical properties,
Science and Technology of Nano-Polycrystalline Diamond 2019,
Mar. 2019.
-
Gaku Okuma,
Fumihiro Wakai,
Satoshi Tanaka.
Classification of sintering stages by interface topology,
Gordon Research Conference - 2018 Solid State Studies in Ceramics (GRC),
Aug. 2018.
-
Gaku Okuma,
Fumihiro Wakai,
Satoshi Tanaka.
Classification of sintering stages by interface topology,
Gordon Research Seminars - 2018 Solid State Studies in Ceramics (GRS),
Aug. 2018.
-
N.Nishiyama,
R. Ishikawa,
H. Ohfuji,
T. Taniguchi,
F. Wakai.
Transparent polycrystalline cubic silicon nitride and its physical properties,
6th International Symposium on Advanced Ceramics (ISAC-6),
Mar. 2018.
-
Fumihiro Wakai,
Gaku Okuma,
Satoshi Tanaka.
Microscopic Sintering Forces behind Macroscopic Continuum Theory of Sintering,
Japan-India YNU Symposium 2017,
Dec. 2017.
-
Gaku Okuma,
Daiki Kadowaki,
Satoshi Tanaka,
Fumihiro Wakai.
Mechanics and evolution of interfacial topology for distinguishing stages of sintering,
The Sixth International Education Forum,
Dec. 2017.
-
Gaku Okuma,
Daiki Kadowaki,
Tsuyoshi Hondo,
Satoshi Tanaka,
Fumihiro Wakai.
Evolution of interface topology from microscopic observation of viscous sintering of glass particles by using X-ray microtomography,
The 34th International Japan-Korea Seminar on Ceramics,
Nov. 2017.
-
Gaku Okuma,
Daiki Kadowaki,
Satoshi Tanaka,
FUMIHIRO WAKAI.
Distinction of sintering stage by interfacial topology,
The 10th International Conference on the Science and Technology for Advanced Ceramics (STAC-10),
Aug. 2017.
公式リンク
-
T.Hondo,
K.Yasuda,
F.Wakai,
S.Tanaka.
Influence of Granule Characteristics on Structural Change during Sintering,
The 18th International Symposium on Eco-materials PRocessing and Design,
Abstract book of he 18th International Symposium on Eco-materials Processing and Design,
Vol. 18,
No. E2-3,
pp. 109-110,
Feb. 2017.
-
G. Okuma,
D. Kadowaki,
S. Tanaka,
F. Wakai.
Bulk viscosity and sintering stress in viscous sintering of glass particles estimated from microscopic observation by using X-ray microtomogtaphy,
The Fifth International Education Forum,
Dec. 2016.
-
S.Tanaka,
T.Hondo,
K.Yasuda,
F.Wakai.
Control of Mesoscale Structure Evolution in Alumina Ceramics,
9th Interenational Conference on High Temperature Ceramic Matrix Compsoites / Global Forum on Advanced Materials and Technologies for Sustainable Development 2016,
The abstract book of 9th Interenational Conference on High Temperature Ceramic Matrix Compsoites / Global Forum on Advanced Materials and Technologies for Sustainable Development 2016,
Vol. 1,
No. G1-0012-2016,
pp. 47,
June 2016.
-
G. Okuma,
D. Kadowaki,
S. Tanaka,
F. Wakai.
Estimation of bulk viscosity and sintering stress from microscopic observation of viscous sintering of glass particles by using X-ray microtomography,
The International Symposium on the Science of Engineering Ceramics (EnCera 2016),
May 2016.
公式リンク
-
S.Tanaka,
T.Hondo,
F.Wakai,
K.Yasuda.
Observation of development of internal pores in dry-pressed alumina ceramics during sintering,
40Th International Conference and Exposition on Advanced Ceramics and Composites,
Abstract Book of 40Th International Conference and Exposition on Advanced Ceramics and Composites,
Vol. 40,
No. S11-004,
pp. 153,
Jan. 2016.
-
G. Okuma,
D. Kadowaki,
F. Wakai.
Size Determination of Representative Volume Element in Microstructure Evolution during Sintering,
The Fourth International Education Forum,
Dec. 2015.
-
G. Okuma,
D. Kadowaki,
F. Wakai.
Size determination of representative volume element in microstructure evolution during sintering,
The 9th International Conference on the Science and Technology for Advanced Ceramics (STAC-9),
Oct. 2015.
-
Fumihiro Wakai.
Grain boundary dynamics in nanograin superplasticity, grain growth and sintering,
Materials Science & Technology 2006,
Proc. Materials Science & Technology 2006,
Vol. 2,
pp. 615-624,
2006.
国内会議発表 (査読なし・不明)
-
大熊 学,
長田 俊郎,
若井 史博,
薄川 隆太郎.
アルミナ積層体の焼結中の微構造と欠陥形状変化の放射光X線CT観察,
粉体粉末冶金協会2024年度秋季大会,
Nov. 2024.
-
大熊 学,
薄川 隆太郎,
長田 俊郎,
中島 秀朗,
岡崎 俊也,
下田 一哉,
垣澤 英樹,
若井 史博.
焼結中のアルミナ積層体内部欠陥形状変化の放射光X線CT観察,
日本金属学会2024年秋期(第175回)講演大会,
Sept. 2024.
-
大熊 学,
薄川 隆太郎,
中島 秀朗,
岡崎 俊也,
町田 慎悟,
新井 優太郎,
井上 遼,
長田 俊郎,
下田 一哉,
垣澤 英樹,
若井 史博.
アルミナ積層体内部の焼結中の微構造と欠陥形状変化の放射光X線CT観察,
第37回日本セラミックス協会秋季シンポジウム,
Sept. 2024.
-
大熊 学,
薄川 隆太郎,
長田 俊郎,
垣澤 英樹,
下田 一哉,
若井 史博.
テープキャストアルミナ積層体内部の焼結中の微構造と欠陥形状変化の放射光X線CT観察,
日本機械学会年次大会2024,
日本機械学会,
Sept. 2024.
-
大熊 学,
長田 俊郎,
皆川 開,
新井 優太郎,
井上 遼,
垣澤 英樹,
下田 一哉,
田中 諭,
若井 史博.
放射光X線CTで観るサブミクロンアルミナ粉末の焼結中の不均一な気孔分布の進展,
第33回日本MRS年次大会,
Nov. 2023.
-
大熊 学,
若井 史博.
放射線X線CTによる電子デバイスの信頼性解析:積層セラミックコンデンサ(MLCC)の電極構造形成プロセス,
2023年度秋季大会 (第132回講演大会) 粉末冶金協会,
Oct. 2023.
-
大熊 学,
皆川 開,
井上 遼,
垣澤 英樹,
長田 俊郎,
若井 史博.
通電加圧焼結中の欠陥形状変化の放射光X線CT観察,
日本機械学会年次大会2023,
Sept. 2023.
-
皆川開,
大熊学,
新井優太郎,
田中諭,
若井史博,
垣澤英樹,
井上遼.
Al2O3顆粒の焼結時に生じる内部欠陥形成の解析,
日本セラミックス協会 第36回秋季シンポジウム,
Sept. 2023.
-
大熊 学,
長田 俊郎,
皆川 開,
新井 優太郎 井上 遼,
垣澤 英樹,
下田 一哉,
田中 諭,
若井 史博.
サブミクロンアルミナ粉末の焼結中の不均質な気孔分布の放射光X線CT解析,
日本セラミックス協会 第36回秋季シンポジウム,
Sept. 2023.
-
日本機械学会M&P2023,
大熊 学,
長田 俊郎,
皆川 開,
新井 優太郎 井上 遼,
垣澤 英樹,
下田 一哉,
田中 諭,
若井 史博.
サブミクロンアルミナ粉末焼結体の不均質な気孔分布の放射光X線CT観察,
日本機械学会M&P2023,
Sept. 2023.
-
大熊 学,
前田 敬,
吉田 智,
若井 史博.
ビッカースインデンテーション誘起の表面下亀裂形態の放射光X線マルチスケールCT観察:結晶化ガラス CaO−Al2O3−SiO2,
日本セラミックス協会 第35回秋季シンポジウム,
Sept. 2022.
-
大熊 学,
前田 敬,
吉田 智,
若井 史博.
放射光X線マルチスケールCTで観る結晶化ガラスCaO−Al2O3−SiO2のビッカースインデンテーション誘起の表面下亀裂形態,
日本金属学会 2022年秋期(第171回)講演大会,
Sept. 2022.
-
皆川 開,
大熊 学,
新井 優太郎,
田中 諭,
若井 史博,
垣澤 英樹,
井上 遼.
Al2O3焼結体に生じる欠陥の三次元構造観察,
日本セラミックス協会 第35回秋季シンポジウム,
Sept. 2022.
-
大熊 学,
若井 史博.
金属膜の自由焼結および拘束焼結中の異方的な微細構造進展のFIB-SEMトモグラフィー解析,
日本金属学会 2022年春期(第170回)講演大会,
Mar. 2022.
-
大熊 学,
斎藤 直哉,
水野 高太郎,
若井 史博.
放射光X線ナノCTによる電子デバイスの信頼性解析: MLCCの電極構造形成プロセス,
日本機械学会第 29 回機械材料・材料加工技術講演会(M&P2021),
一般社団法人 日本機械学会,
Nov. 2021.
-
皆川 開,
大熊 学,
田中 諭,
垣澤 英樹,
若井 史博,
井上 遼.
熱間等方加圧(HIP)による欠陥収縮過程の放射光X線CT観察,
日本機械学会第 29 回機械材料・材料加工技術講演会(M&P2021),
一般社団法人 日本機械学会,
Nov. 2021.
-
大熊 学,
若井 史博.
放射光X線CTによる電子デバイスの信頼性解析:MLCCの電極構造形成プロセス,
耐熱複合材料・コーティングの高度化に関する研究会 第4回ワークショップ,
Nov. 2021.
-
大熊 学,
若井 史博.
金属膜の自由焼結および拘束焼結中の異方的な微細構造進展と粗大化プロセスのFIB-SEMトモグラフィー解析,
2021年度秋季大会 (第128回講演大会) 粉末冶金協会,
Nov. 2021.
-
大熊 学,
若井 史博.
高信頼性材料設計のための放射光X線CT3次元ナノスケール解析,
日本セラミックス協会 第34回秋季シンポジウム,
Sept. 2021.
-
大熊 学,
斎藤 直哉,
水野 高太郎,
若井 史博.
放射光X線ナノCTによる電子デバイスの信頼性解析:MLCCの電極構造形成プロセス,
日本金属学会 2021年秋期(第169回)講演大会,
Sept. 2021.
-
大熊 学,
齋藤 直哉,
若井 史博,
水野 高太郎.
結像型X線ナノCTによる電子デバイスの信頼性解析:MLCCの電極構造形成プロセス,
日本セラミックス協会 2021年年会,
Mar. 2021.
-
遠藤 順也,
大熊 学,
若井 史博.
加圧焼結によるアルミナ焼結体中の内部欠陥収縮過程の放射光X線CT観察,
日本セラミックス協会 2021年年会,
Mar. 2021.
-
斉藤 直哉,
大熊 学,
水野 高太郎,
岩崎 誉志紀,
岸 弘志,
竹内 晃久,
上杉 健太朗,
若井 史博.
積層セラミックスコンデンサー(MLCC)焼成過程における電極微構造変化の放射光X線ナノCT観察,
第59回セラミックス基礎科学討論会,
Jan. 2021.
-
大熊 学,
斉藤 直哉,
若井 史博,
竹内 晃久,
上杉 健太朗,
水野 高太郎,
岩崎 誉志紀,
岸 弘志.
放射光X線ナノCTによる電子デバイスの信頼性解析~MLCCの電極構造形成プロセス~,
バルクセラミックスの信頼性に関するワークショップ,
Jan. 2021.
-
大熊 学,
田中 諭,
若井 史博.
放射光X線CTで見る粉体成形・焼結プロセスにおける欠陥形成と強度信頼性,
日本機械学会第 28 回機械材料・材料加工技術講演会(M&P2020) [2020.11.18-20] CopyrightC2020 一般社団法人 日本機械学会,
Nov. 2020.
-
大熊 学,
遠藤 順也,
田中 諭,
若井 史博.
放射光マルチスケールCTで見る粉体成形・焼結プロセスにおける欠陥形成と強度信頼性,
日本セラミックス協会 第33回秋季シンポジウム,
Sept. 2020.
-
大熊 学,
宮木 亮,
篠部 寛,
若井 史博,
Anna Sciazko,
鹿園 直毅,
志村 敬彬,
原 祥太郎,
小柏 俊典.
FIB-SEBトモグラフィーで見るAuサブミクロンペーストの自由焼結および拘束焼結中の異方的な微細構造進展,
日本セラミックス協会2020年年会,
Mar. 2020.
-
大熊学,
斉藤直哉,
竹内晃久,
上杉健太朗,
水野高太郎,
岩崎誉志紀,
岸弘志,
若井史博.
放射光X線ナノCTを用いた積層セラミックスコンデンサーの焼成過程における緻密化挙動の3D解析,
第2回 3次元可視化による機能性セラミックス製造プロセス基礎科学に関する研究会,
Mar. 2020.
-
大熊 学,
遠藤 順也,
渡辺 修平,
西山 宣正,
竹内 晃久,
上杉 健太朗,
田中 諭,
若井 史博.
通電加圧焼結による亀裂状内部欠陥消失過程の放射光X線CT観察,
2019 年度 第1回バルクセラミックスの信頼性に関するワークショップ,
Dec. 2019.
-
大熊 学,
渡辺 修平,
篠部 寛,
西山 宣正,
若井 史博,
竹内 晃久,
上杉 健太朗,
田中 諭.
SPring-8のマルチスケールX線CTで見るアルミナの焼結中の3次元内部欠陥形成プロセス,
2019年度フロンティア材料研究所若手研究者発表会及び先端無機材料共同研究拠点報告会,
Nov. 2019.
-
大熊 学,
渡辺 修平,
篠部 寛,
西山 宣正,
若井 史博,
竹内晃久,
上杉 健太朗,
山口 駿太郎,
田中 諭.
SPring-8のマルチスケールX線CTで見るアルミナの焼結中の3次元内部欠陥形成プロセス,
2019年度春季大会 (第123回講演大会) 粉末冶金協会,
June 2019.
-
若井 史博,
大熊 学,
西山 宣正,
Guillon Olivier.
焼結プロセスのミクロ力学原理,
2019年度春季大会 (第123回講演大会) 粉末冶金協会,
June 2019.
-
大熊 学,
渡辺 修平,
篠部 寛,
西山 宣正,
若井 史博,
竹内 晃久,
上杉 健太朗,
山口 駿太郎,
田中 諭.
SPring-8マルチスケールCTで見るアルミナの焼結中の3次元内部欠陥形成プロセス,
日本セラミックス協会2019年年会,
Mar. 2019.
-
大熊 学,
渡辺 修平,
篠部 寛,
西山 宣正,
若井 史博,
竹内 晃久,
上杉 健太朗,
田中 諭.
Spring-8 ナノCTで見るアルミナの3次元内部欠陥構造,
先進セラミックス第124委員会,
Feb. 2019.
-
篠部寛,
大熊学,
Anna Sciazko,
志村敬彬,
原祥太郎,
小柏俊典,
鹿園直毅,
若井史博.
FIB-SEM トモグラフィーによる Au サブミクロン粒子焼結体の微細構造の 3 次元的可視化と焼結挙動解析,
第 57 回セラミックス基礎討論会,
Jan. 2019.
-
大熊学,
渡辺 修平,
篠部 寛,
西山 宣正,
若井 史博,
竹内晃久,
上杉 健太朗,
山口 駿太郎,
田中 諭.
SPring-8 マイクロ/ナノ マルチスケール CT で見るアルミナの 3 次元内部欠陥構造,
2019年度 エンジニアリングセラミックス若手セミナー,
2019.
-
大熊 学,
若井 史博,
Jesus Gonzalez-Julian,
Olivier Guillon.
焼結応力と体積粘性率を決定するための焼結鍛造試験法とX線トモグラフィー法の比較,
第31回日本セラミックス協会秋季シンポジウム,
Sept. 2018.
-
大熊 学,
若井 史博,
田中 諭.
微構造の3次元可視化による焼結の熱力学的駆動力の解明と制御,
2018年度 エンジニアリングセラミックス若手セミナー,
Aug. 2018.
-
大熊学,
若井史博,
Jesus Gonzalez-Julian,
Olivier Guillon.
X線トモグラフィーにより推定した焼結応力の焼結鍛造試験による実験的検証,
平成30年度春季大会 (第121回講演大会) 粉末冶金協会,
May 2018.
-
大熊学,
若井史博,
Jesus Gonzalez-Julian,
Olivier Guillon.
焼結応力と体積粘性率を決定するための焼結鍛造とX線マイクロトモグラフィー法の比較,
日本セラミックス協会2018年年会,
Mar. 2018.
-
本堂剛,
安田公一,
若井史博,
田中諭.
アルミナセラミックスの焼結時の粗大欠陥成長の解明,
日本セラミックス協会2018年会,
日本セラミックス協会2018年会講演予稿集,
Vol. 1,
No. 1D24,
Mar. 2018.
-
若井史博,
大熊 学,
西山 宣正,
Olivier Guillon.
3粒子の固相焼結の背後にある焼結力,
日本セラミックス協会2018年年会,
Mar. 2018.
-
大熊学,
門脇大騎,
田中諭,
若井史博.
焼結中の微構造の3次元可視化による焼結段階の分類,
第56回セラミックス基礎科学討論会,
Jan. 2018.
-
西山宣正,
金谷航葵,
若井史博.
スピネル型窒化ケイ素・透明多結晶体の合成とその物性,
第58回高圧討論会,
Nov. 2017.
-
若井史博,
大熊学,
田中諭.
焼結プロセスにおける内部応力の起源のミクロスケール力学解析,
第37回エレクトロセラミックス研究討論会,
Oct. 2017.
-
大熊 学,
門脇 大騎,
田中 諭,
若井 史博.
焼結段階を区別するための界面トポロジー,
第30回日本セラミックス協会秋季シンポジウム,
Sept. 2017.
-
本堂 剛,
安田公一,
若井史博,
田中 諭.
成形方法に由来する不均一構造が緻密化挙動に与える影響,
バルクセラミックスの信頼性に関するワークショップ(第6回バルクセラミックス若手セミナーを兼ねる)),
バルクセラミックスの信頼性に関するワークショップ予稿集,
pp. 1,
Sept. 2017.
-
大熊 学,
門脇 大騎,
田中 諭,
若井 史博.
焼結段階を区別するための界面トポロジー,
バルクセラミックスの信頼性に関するワークショップ(第6回バルクセラミックス若手セミナーを兼ねる),
Sept. 2017.
-
本堂 剛,
安田公一,
若井史博,
田中 諭.
成形方法に由来する不均一構造が緻密化挙動に与える影響,
第30回日本セラミックス協会秋季シンポジウム,
第30回日本セラミックス協会秋季シンポジウム講演予稿集,
Vol. 30,
No. "J25,
pp. 1-2,
Sept. 2017.
-
大熊 学,
Jesus Gonzalez-Julian,
Olivier Guillon,
若井 史博.
焼結鍛造試験による焼結応力および粘性係数の決定とX線マイクロトモグラフィーによる微視的構造観察からの推定結果との比較,
第55回セラミックス基礎科学討論会,
Jan. 2017.
-
若井 史博,
大熊 学,
田中 諭,
Olivier Guillon.
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学位論文
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