"Yotaro Okada,Ryosuke Yamagata,Hirotoyo Nakashima,Masao Takeyama","Deformation Behavior of Advanced γ-TiAl Based Alloys by In-Situ SEM Observation and Digital Image Correlation Technique","Joint EPRI ? 123HiMAT International Conference","Proceedings of Joint EPRI ? 123HiMAT International Conference","EPRI & JSPS",,,"pp. 1380-1388",2019,Oct.
"Shun Oinuma,Reki Takaku,Yujiro Nakatani,Masao Takeyama","Creep Life Assessment of γ′ Precipitation Strengthened Ni-Based Superalloys for High Efficient Turbine Components","Joint EPRI ? 123HiMAT International Conference","Proceedings of Joint EPRI ? 123HiMAT International Conference","EPRI & JSPS",,,"pp. 1305-1313",2019,Oct.
"Domingo Jullian,Shigenari Hayashi,Masao Takeyama","Competitive Effect of Nb and V on High-Temperature Oxidation of α2-Ti-30Al Alloys","Joint EPRI ? 123HiMAT International Conference","Proceedings of Joint EPRI ? 123HiMAT International Conference","EPRI & JSPS",,,"pp. 971-975",2019,Oct.
"Haruna Ishizuka,M. Takeyama,Youichi Watanabe","Effect of Si and Cr Additions on Surface Oxide/Nitride Layers in a Fe-0.4 wt.% C by Novel Salt-Bath Nitrocarburizing Treatment","Joint EPRI ? 123HiMAT International Conference","Proceedings of Joint EPRI ? 123HiMAT International Conference","EPRI & JSPS",,,"pp. 924-929",2019,Oct.
"Ken Cho,Masahiro Sakata,Jong Yeong Oh,Hiroyuki Y. Yasuda,Mitsuharu Todai,Ayako Ikeda,Masao Takeyama","Influence of Unique Layered Microstructure on Mechanical Properties of  TiAl-Based Alloys Prepared by Electron Beam Melting","Joint EPRI ? 123HiMAT International Conference","Proceedings of Joint EPRI ? 123HiMAT International Conference","EPRI & JSPS 123rd Committee",,,"pp. 897-903",2019,Oct.
"Satoru Kobayashi,T. Otsuka,M. Takeyama,Chuya Aoki,Tomonori Ueno","Grain Boundary Design Using Precipitation of Delta-Ni3Nb Phase for Ni-Based Wrought Alloys","Joint EPRI ? 123HiMAT International Conference","Proceedings from Joint EPRI ? 123HiMAT International Conference","EPRI & JSPS 123rd Committee",,,"pp. 391-397",2019,Oct.
"Z.T. Yuan,S. Kobayashi,M. Takeyama","Microstructure Control Using the Formation of Laves Phase throughInterphase Precipitation in Ferritic Heat Resistant Steels","Joint EPRI ? 123HiMAT International Conference on Advances in High-Temperature Materials","Proceedings from Joint EPRI ? 123HiMAT International Conference","EPRI & JSPS 123rd Committee",,,"pp. 90-95",2019,Oct.
"趙 研,安田弘行,當代光陽,上田実,竹山雅夫,中野貴由","電子ビーム積層造形法を用いて造形したTiAl合金の特異な微細組織と力学特性",,"チタン","日本チタン協会","Vol. 67","No. 4","pp. 290-296",2019,Oct.
"Ryosuke Yamagata,Yotaro Okada,Hirotoyo Nakashima,Masao Takeyama","Microstructure Effect on Enhancement of Room-TemperatureDuctility in β-Ti Containing γ-TiAl Based Alloys","Joint EPRI ? 123HiMAT International Conference","Proceedings of Joint EPRI-123HiMAT International Conference",,,,"pp. 1446-1456",2019,Oct.
"R. Nagashima,R. Yamagata,H. Nakashima,S. Kobayashi,M. Takeyama","Novel Microstructure Design Approach Using TCP and GCP in Ni-Cr-MTernary Systems Based on Phase Diagram Study at Elevated Temperature","Joint EPRI ? 123HiMAT International Conference","Proceedings of Joint EPRI- 123HiMAT International Conference","EPRI &JSPS",,,"pp. 1436-1445",2019,Oct.
"Fumiya Ikemura,Hideki Wakabayashi,Ryosuke Yamagata,Hirotoyo Nakashima,Masao Takeyama","Effect of Widmanstatten-Type α2-Ti3Al Plates on Creep in γ-TiAl Based Alloy","Joint EPRI ? 123HiMAT International Conference","Proceedings of Joint EPRI- 123HiMAT International Conference","EPRI & JSPS",,,"pp. 1429-1435",2019,Oct.
"Seongtak Oh,Hirotoyo Nakashima,Satoru Kobayashi,Masao Takeyama","Precipitation Kinetics of TCP (Fe2Nb) and GCP (Ni3Nb) Phases in Fe-Cr-Ni-Nb Austenitic Heat-Resistant Steels with Partial Replacement of Nb with Ta","Joint EPRI ? 123HiMAT International Conference","Proceedings of Joint EPRI ? 123HiMAT International Conference","EPRI & JSPS",,,"pp. 1418-1428",2019,Oct.
"Kenta Kikuchi,Hirotoyo Nakashima,Masao Takeyama","Experimental and Computational Study on Grain Boundary and Grain Interior Precipitation of Fe2Nb Laves Phase in Fe-Cr-Ni-Nb Austenitic Heat Resistant Steels","Joint EPRI ? 123HiMAT International Conference","Proceedings of Joint EPRI ? 123HiMAT International Conference","EPRI & JSPS",,,"pp. 1408-1417",2019,Oct.
"Yuta Kimoto,Hirotoyo Nakashima,Masao Takeyama","Effect of Carbon in Solution on Phase Equilibria among β/α(α2)/γ Phases in TiAl Alloys Using Soft X-Ray Emission Spectroscopy","Joint EPRI ? 123HiMAT International Conference","Proceedings of Joint EPRI ? 123HiMAT International Conference","EPRI & JSPS",,,"pp. 1402-1407",2019,Oct.
"Hideki Wakabayashi,Ryosuke Yamagata,Hirotoyo Nakashima,Masao Takeyama","Effects of γ-TiAl/γ Lamellar Interfaces and Grain-Boundary α2-Ti3Al Phase on Creep of TiAl Based Alloy","Joint EPRI ? 123HiMAT International Conference","Proceedings of Joint EPRI ? 123HiMAT International Conference","EPRI & JSPS",,,"pp. 1395-1401",2019,Oct.
"Yotaro Okada,Ryosuke Yamagata,Hirotoyo Nakashima,Masao Takeyama","Analysis of local deformation behavior in TiAl based alloys under tensile loading by digital image correlation","Intermetallics 2019","Programme and Abstracts Intermetallics 2019.","Kern GmbH",,,"pp. 162-163",2019,Sept.
"Masao Takeyama","Design approaches and achievements of novel TiAl alloys for jet engine applications under SIP programme in Japan","Intermetallics 2019 International Conference","Programme and Abstracts Intermetallics 2019","Kern GmbH",,,"p. 12,74-75",2019,Sept.
"福元皓介,小林覚,竹山雅夫","γ"-Ni3Nb 析出強化型Ni基モデル合金のクリープ挙動に及ぼす母相細粒化の効果","日本鉄鋼協会第178回秋季講演大会","日本鉄鋼協会第178回秋季講演大会プログラム","日本鉄鋼協会",,,"p. 50",2019,Sept.
"大崎智,高橋達也,竹山雅夫","鍛造型 Ni 基超合金のクリープ強度に及ぼす質量効果の影響","日本鉄鋼協会第178回秋季講演大会","日本鉄鋼協会第178回秋季講演大会プログラム","日本鉄鋼協会",,,"p. 40",2019,Sept.
"永島涼太,山形遼介,中島広豊,竹山雅夫","973 KにおけるNi-Cr-Mo三元系のA1/TCP/oP 6三相間の相平衡","日本鉄鋼協会第178回秋季講演大会","日本鉄鋼協会第178回秋季講演大会ブログラム","日本鉄鋼協会",,,"p. 29",2019,Sept.
"菊池健太,中島広豊,竹山雅夫","Fe-Cr-Ni-Nbオーステナイト系耐熱鋼におけるTCP相およびGCP相の析出挙動とその計算による再現","日本鉄鋼協会第178回秋季講演大会","日本鉄鋼協会第178回秋季講演大会プログラム","日本鉄鋼協会",,,"p. 29",2019,Sept.
"若林英輝,竹山雅夫","オーステナイト単相鋼におけるクリープの結晶粒径依存性","日本鉄鋼協会第178回秋季講演大会","日本鉄鋼協会第178回秋季講演大会プログラム","日本鉄鋼協会",,,"p. 29",2019,Sept.
"三屋悠大,若林英輝,竹山雅夫","Taを添加したオーステナイト系Laves鋼の800℃におけるクリープ","日本鉄鋼協会第178回秋季講演大会","日本鉄鋼協会第178回秋季講演大会プログラム",,,,"p. 29",2019,Sept.
"袁哲韜,小林覚,竹山雅夫","Fe-Cr-Ta三元系のδ-Fe→γ-Fe+Fe2Ta共析型反応による組織形成","日本鉄鋼協会第178回秋季講演大会","日本鉄鋼協会第178回秋季講演大会概要集",,,,"p. 675",2019,Sept.
"木許 雄太,中島 広豊,竹山 雅夫","β-Ti安定化元素を添加した TiAl基３元系合金における β-Ti/α-Ti/α2-Ti3Al/γ-TiAl 相間の相平衡に及ぼす酸素の効果とその温度依存性","日本金属学会 2019年秋期(第165回)講演大会","日本金属学会 2019年秋期(第165回)講演概要集",,,,"p. 115",2019,Sept.
"中島 広豊,木許 雄太,竹山 雅夫","Ti-Al-Cr-O四元系におけるβ-Ti/α-Ti/α2-Ti3Al/γ-TiAl相間の計算状態図","日本金属学会 2019年秋期(第165回)講演大会","日本金属学会 2019年秋期(第165回)講演概要集",,,,"p. 118",2019,Sept.
"岡田陽太郎,若林英輝,竹山雅夫","TiAl 基合金におけるラメラ組織の微視的変形挙動","日本金属学会秋期講演大会","日本金属学会秋期講演大会概要集","(公社）日本金属学会",,,"p. 111",2019,Sept.
"花田 晃広,村田 健太,若林 英輝,中島 広豊,竹山 雅夫","TiAl基合金のα→β+γ反応経路における組織形成","日本金属学会 2019年秋期(第165回)講演大会","日本金属学会講演概要","日本金属学会",,,"p. P79",2019,Sept.
"生沼駿,高久歴,中谷 祐二郎,竹山雅夫","析出強化型鍛造Ni基超合金のクリープ劣化損傷機構および硬さ法によるクリープ損傷評価",,"材料","日本材料学会","Vol. 68","No. 9","pp. 673-679",2019,Sept.
"池村 郁哉,若林 英輝,山形 遼介,中島 広豊,竹山 雅夫","Ti-Al-Cr３元系合金のクリープに及ぼすβ/γセルの影響","日本金属学会 2019年秋期(第165回)講演大会","日本金属学会 2019年秋期(第165回)講演概要集","日本金属学会",,,"p. 108",2019,Sept.
"福西勇人,竹山雅夫,小林覚","低熱膨張・高クリープ強度型フェライト系耐熱鋼の創製","日本鉄鋼協会第178回秋季講演大会","日本鉄鋼協会第178回秋季講演大会概要集","日本鉄鋼協会",,,"p. 754",2019,Sept.
"山形 遼介,村田 健太,花田 晃広,若林 英輝,中島 広豊,竹山 雅夫","Ti-Al-Cr３元系合金の室温引張特性に及ぼすβ/γセルの影響","日本金属学会 2019年秋期(第165回)講演大会","日本金属学会 2019年秋期(第165回)講演概要集","日本金属学会",,,"p. 109",2019,Sept.
"趙 研,坂田 将啓,安田 弘行,當代 光陽,上田 実,竹山 雅夫,中野 貴由","電子ビーム三次元積層造形を用いた特異バンド状組織制御による TiAl合金の高延性化","日本金属学会 2019年秋期(第165回)講演大会","日本金属学会 2019年秋期(第165回)講演概要集",,,,,2019,Sept.
"Hiroyuki Yasuda,Ken Cho,Mitsuharu Todai,Minoru Ueda,Masao Takeyama,Takayoshi Nakano","Additive manufacturing of Ti-48Al-2Cr-2Nb alloys","Intermetallics 2019","Programme and Abstracts Intermetallics 2019","Kern GmbH",,,"pp. 102-103",2019,Sept.
"Shigenari Hayashi,Domingo Jullian,Masao Takeyama","Effect of Nb and V additions on oxidation behavior of α2-Ti-30at%Al alloys","Intermetallics 2019","Programme and Abstracts Intermetallics 2019.","Kern GmbH",,,"pp. 62-63",2019,Sept.
"尾堂 裕隆,趙 研,安田 弘行,當代 光陽,上田 実,竹山 雅夫,中野 貴由","電子ビーム三次元積層造形法で作製した TiAl合金の室温疲労特性向上","日本金属学会 2019年秋期(第165回)講演大会","日本金属学会 2019年秋期(第165回)講演概要集","日本金属学会",,,,2019,Sept.
"川端 はじめ,趙 研,安田 弘行,當代 光陽,上田実,竹山 雅夫,中野 貴由","電子ビーム三次元積層造形法で作製した TiAl合金造形体の形状が微細組織に与える影響","日本金属学会 2019年秋期(第165回)講演大会","日本金属学会 2019年秋期(第165回)講演概要集","日本金属学会",,,,2019,Sept.
"Shaaban Ali,Nakashima Hirotoyo,Takeyama Masao","Phase Diagram Reassessment for Ti-Al-Cr Ternary Alloy System Between 1573 K and 1073 K","日本金属学会 2019年秋期(第165回)講演大会","日本金属学会 2019年秋期(第165回)講演概要集",,,,"p. 114",2019,Sept.
"Hirotoyo Nakashima,Yuta Kimoto,Masao Takeyama","Phase diagram study on the Ti-Al-M-O quaternary systems using soft X-ray emission spectroscopy","Intermetallics 2019","Programme and Abstracts Intermetallics 2019","Kern GmbH",,,"p. 13, 92-93",2019,Sept.
"Ryota Nagashima,Ryosuke Yamagata,Hirotoyo Nakashima,Masao Takeyama","Phase equilibrium among γ-Ni/TCP/GCP oP6 phases in Ni-based alloys at elevated temperature","Intermetallics 2019","Programme and Abstracts Intermetallics 2019","Kern GmbH",,,"p. 15,140-141",2019,Sept.
"石塚はる菜,渡邊陽一,竹山雅夫","リチウム添加した溶融塩を用いて軟窒化処理したFe-0.4mass%C合金の表層組織と成長挙動",,"熱処理","日本熱処理技術協会","Vol. 59","No. 4","pp. 215-221",2019,Aug.
"Masao Takeyama","Design Approaches and Properties of Novel Wrought TiAl Alloys for Jet Engine Applications","The 10th Pacific Rim International Conference on Advanced Materials","The 10th Pacific Rim International Conference on Advanced Materials and Processing","The Chinese Society for Metals (CSM)",,,"p. 7",2019,Aug.
"Shuntaro Ida,Ryosuke Yamagata,Hirotoyo Nakashima,Satoru Kobayashi,Masao Takeyama","Phase Equilibria Among g/TCP/GCP phases in Nb-Poor Region of Ni-Nb-Co Ternary System at Elevated Temperatures",,"Journal of Phase Equilibria and Diffusion",,"Vol. 40","Issue 4","pp. 570 - 582",2019,July
"竹山雅夫","800℃級発電プラント用鉄系材料の実現に向けた組織設計原理",,"ふぇらむ : 日本鉄鋼協会会報","日本鉄鋼協会","Vol. 24","No. 8","pp. 505-509",2019,July
"Shuntaro Ida,Ryosuke Yamagata,Hirotoyo Nakashima,Satoru Kobayashi,Masao Takeyama","Phase Equilibria Among γ/TCP/GCP Phases in Nb-Poor Region of Ni-Nb-Co Ternary System at Elevated Temperatures.[Journal of Phase Equilibria and Diffusion",,,"Journal of Phase Equilibria and Diffusion","Vol. 40","No. 4","pp. 570-582",2019,July
"竹山雅夫","耐熱鋼および耐熱合金における粒界の役割と粒界析出制御","第237・238回西山記念技術講座","第237・238回西山記念技術講座「先進エネルギーマネージメントの 発展を支える耐熱鋼開発」","日本鉄鋼協会",,,"pp. 53-75",2019,May
"竹山雅夫","耐熱鋼および耐熱合金の高温クリープにおける粒界野役割と粒界析出制御，「エネルギーマネージメントの発展を支える耐熱材料開発」",,"第237，238回西山記念技術講座","日本鉄鋼協会",,,,2019,May
"安田弘行,趙 研,當代光陽,上田 実,近藤大介,唐土庄太郎,池田亜矢子,竹山雅夫,中野貴由","Additive Manufacturing プロセスによるTiAl 金属間化合物の組織制御と力学特性",,"スマートプロセス学会誌","高温学会 ／ スマートプロセス学会","Vol. 8","No. 3","pp. 78-83",2019,May
"H. Wakabayashi,L. J. Signori,A. Shaaban,R. Yamagata,H. Nakashima,M. Takeyama","Design Approaches and Achievements of Novel Wrought TiAl Alloys for Jet Engine Applications","2018 MRS Fall Meeting & Exhibit","MRS Advances","2019 Materials Research Society",,,"pp. 1465-1470",2019,May
"Ali Shaaban,Hideki Wakabayashi,Hirotoyo Nakashima,Masao Takeyama","Phase Equilibria among β/α2/α/γ Phases and Phase Transformations in Ti-Al-Cr System at Elevated Temperatures","2018 MRS Fall Meeting & Exhibit","MRS Advance","2019 Materials Research Society",,,"pp. 1471-1476",2019,May
"Ryosuke Yamagata,Yotaro Okada,Hirotoyo Nakashima,Masao Takeyama","Microstructure Design for Enhancement of Room-Temperature Ductility in Multi-Component TiAl Alloys","2018 MRS Fall Meeting & Exhibit","MRS Advances","2019 Materials Research Society",,,"pp. 1523-1529",2019,May
"竹山雅夫","耐熱鋼および耐熱合金の高温クリープにおける粒界の役割と粒界析出制御","第237・238回西山記念技術講座","「先進エネルギーマネージメントの 発展を支える耐熱鋼開発」第237・238回西山記念技術講座","日本鉄鋼協会",,,"pp. 53-75",2019,May
"中島 広豊,木内 新,竹山 雅夫","酸素を含むTiAl 合金におけるβ-Ti/α-Ti/α2-Ti3Al/γ-TiAl 相間の実験及び計算状態図","日本金属学会2019 年春期（第164 回）講演大会","2019 年春期（第164 回）講演大会プログラム","日本金属学会","Vol. 58","No. 3","Page 附録 29",2019,Mar.
"村田 健太,若林 英輝,Ali SHAABAN,山形 遼介,中島 広豊,竹山 雅夫","Ti-Al-Cr 3 元系におけるα2+γ→β+γ セル状析出反応を利用した組織形成","日本金属学会2019 年春期（第164 回）講演大会","2019 年春期（第164 回）講演大会プログラム","日本金属学会","Vol. 58","No. 3","Page 附録 17",2019,Mar.
"Ali Shaaban,Kenta Murata,Hideki Wakabayashi,Hirotoyo Nakashima,MASAO TAKEYAMA","Effect of Chromium Addition on the Phase Transformation Pathway in Ti-Al-Cr Alloy in Between 1573 K and 1073 K","日本金属学会2019 年春期（第164 回）講演大会","日本金属学会2019 年春期（第164 回）講演大会プログラム","日本金属学会","Vol. 58","No. 3","Page 附録 16",2019,Mar.
"Liu Shibo,竹山雅夫","Effect of Partial Replacement of Nb with Ta on Creep of Fe-Cr-Ni-Nb Novel Austenitic Heat-resistant Steels at 1073K","日本鉄鋼協会第177回春季講演大会","第177回春季講演大会プログラム","日本鉄鋼協会",,,"p. 42",2019,Mar.
"三屋悠大,竹山雅夫","Bを添加したLaves相強化型オーステナイト系耐熱鋼のクリープおよび組織に及ぼすTaの効果","日本鉄鋼協会第177回春季講演大会","第177回春季講演大会プログラム","日本鉄鋼協会",,,"p. 41",2019,Mar.
"若林 英輝,竹山 雅夫","TiAl基合金のクリープに及ぼす粒界β-Ti相の影響","日本学術振興会耐熱金属材料第123委員会3月期研究会","日本学術振興会耐熱金属材料第123委員会研究報告","日本学術振興会","Vol. 60","No. 1","pp. 151-161",2019,Mar.
"山形 遼介,岡田陽太郎,若林英輝,中島 広豊,竹山 雅夫","鍛造TiAl基合金の室温延性に及ぼす組織因子の影響","日本学術振興会耐熱金属材料第123委員会3月期研究会","日本学術振興会耐熱金属材料第123委員会研究報告","日本学術振興会","Vol. 60","No. 1","pp. 141-149",2019,Mar.
"村田 健太,若林 英輝,Ali Shaaban,山形 遼介,中島 広豊,竹山 雅夫","Ti-Al-Cr 3元系におけるβ+α→α2+γ→β+γ相変態を利用した組織制御","日本学術振興会耐熱金属材料第123委員会3月期研究会","日本学術振興会耐熱金属材料第123委員会研究報告","日本学術振興会","Vol. 60","No. 1","pp. 131-140",2019,Mar.
"中島 広豊,Ali Shaaban,竹山 雅夫","β-Ti安定化元素を複合添加した四元系TiAl基合金の実験および計算状態図","日本学術振興会耐熱金属材料第123委員会3月期研究会","日本学術振興会耐熱金属材料第123委員会研究報告","日本学術振興会","Vol. 60","No. 1","pp. 123-130",2019,Mar.
"永島 涼太,山形 遼介,中島 広豊,小林 覚,竹山 雅夫","Ni-Cr-Mo 3元系におけるA1 / TCP / GCP Ni2(Cr,Mo)相の相平衡","日本学術振興会耐熱金属材料第123委員会3月期研究会","日本学術振興会耐熱金属材料第123委員会研究報告","日本学術振興会","Vol. 60","No. 1","pp. 85-95",2019,Mar.
"趙 研,福岡 拓馬,尾堂 裕隆,安田 弘行,當代 光陽,池田 亜矢子,近藤 大介,唐土 庄太郎,上田 実,竹山 雅夫,中野 貴由","電子ビーム三次元積層造形法で作製したTiAl 合金における特異バンド状組織と疲労特性の関係","日本金属学会2019 年春期（第164 回）講演大会","2019 年春期（第164 回）講演大会プログラム","日本金属学会","Vol. 58","No. 3","Page 附録 26",2019,Mar.
"大塚 智樹,小林 覚,竹山 雅夫,青木 宙也,上野 友典","γ’’ 強化型Ni基合金におけるδ-Ni3Nb相の析出に及ぼす合金元素の効果","日本学術振興会耐熱金属材料第123委員会3月期研究会","日本学術振興会耐熱金属材料第123委員会研究報告","日本学術振興会","Vol. 60","No. 1","pp. 69-78",2019,Mar.
"木許 雄太,木内 新,中島 広豊,竹山 雅夫","β-Ti 安定化元素を添加したTiAl 基3 元系合金における β-Ti/α-Ti/α2-TiAl/γ-TiAl 相関の相平衡に及ぼす酸素の効果","日本金属学会2019 年春期（第164 回）講演大会","2019 年春期（第164 回）講演大会プログラム","日本金属学会","Vol. 58","No. 3","Page 附録 29",2019,Mar.
"石塚はる菜,渡邊 陽一,竹山雅夫","塩浴軟窒化処理した熱間ダイス鋼の摩擦摩耗特性に及ぼす組織の影響","トライボロジー会議2019春 東京","トライボロジー会議2019春 東京予稿集",,,,"pp. 298-299",2019,