@article{CTT100884150, author = {HIROYUKI YASUDA and Ken Cho and Mitsuharu TODAI and Hirotoyo Nakashima and MASAO TAKEYAMA and TAKAYOSHI NAKANO}, title = {航空機ジェットエンジン用TiAl合金の 電子ビーム積層造形}, journal = {ふぇらむ}, year = 2022, } @article{CTT100884366, author = {Hirotoyo Nakashima and Jianhui Yu and Masao Takeyama}, title = {Experimental phase diagram study of the TiAl-rich part of the Ti–Al–Ni ternary system}, journal = {CALPHAD}, year = 2022, } @article{CTT100874582, author = {Ali Shaaban and Hirotoyo Nakashima and Mitsutoshi Ueda and Masao Takeyama}, title = {Effects of oxygen addition on the microstructure phase transformations and oxidation resistance of TiAl alloys}, journal = {Journal of Alloys and Compounds}, year = 2022, } @article{CTT100882980, author = {Shuntaro Ida and Ryosuke Yamagata and Hirotoyo Nakashima and Satoru Kobayashi and Masao Takeyama}, title = {Grain Boundary Precipitation Control of GCP Phase Using TCP or A2 Phase in Ni-Based Alloys}, journal = {Metals 2022,}, year = 2022, } @article{CTT100874584, author = {Hirotoyo Nakashima and Arata Kinouchi and Masao Takeyama}, title = {Quantitative analysis of oxygen in solution in the Ti-Al-O ternary alloys by soft X-ray emission spectroscopy}, journal = {Journal of Alloys and Compounds}, year = 2022, } @article{CTT100874586, author = {Seongtak OH and Hirotoyo NAKASHIMA and Ryosuke YAMAGATA and Satoru KOBAYASHI and Masao TAKEYAMA}, title = {Effects of Zr Addition on Precipitation and Stability of Fe2Nb Laves and Ni3Nb Phases in Novel Fe–Cr–Ni–Nb Austenitic Heat-resistant Steels}, journal = {ISIJ International}, year = 2022, } @inproceedings{CTT100882218, author = {Riyuichi Isomura and Ryosuke Yamagata and Hirotoyo Nakashima and MASAO TAKEYAMA}, title = {Environmental Effect on Fatigue Crack Growth Behavior of TiAl Based Alloy at 1073 K}, booktitle = {}, year = 2022, } @inproceedings{CTT100882217, author = {Ryosuke Yamagata and Hirotoyo Nakashima and MASAO TAKEYAMA}, title = {Construction of Microstructure Constituents-based Fracture Toughness Prediction Methods for TiAl Alloys}, booktitle = {}, year = 2022, } @inproceedings{CTT100882219, author = {Ryota Nagashima and Hirotoyo Nakashima and MASAO TAKEYAMA}, title = {Computational and Experimental Study on Phase Stability of A2B-type Compound in Ni-Cr-Mo System Alloys}, booktitle = {CAMP-ISIJ}, year = 2022, } @inproceedings{CTT100882220, author = {Hirotoyo Nakashima and Ryosuke Yamagata and MASAO TAKEYAMA}, title = {Experimental study and modeling of α2+γ → β+γdiscontinuous precipitation in TiAl alloys}, booktitle = {}, year = 2022, } @inproceedings{CTT100869781, author = {Yuro Kino and Ryosuke Yamagata and Hirotoyo Nakashima and MASAO TAKEYAMA}, title = {Ti3Al-α2/TiAl-γラメラ組織を有する TiAl 基合金のγ粒導入によるクリープ変形挙動の変化}, booktitle = {日本熱処理技術協会講演大会 講演概要集}, year = 2022, } @inproceedings{CTT100867447, author = {Yuta Mitsuya and SEONGTAK OH and Hideki Wakabayashi and Hirotoyo Nakashima and MASAO TAKEYAMA}, title = {Ta添加によるLaves相強化型オーステナイト系超耐熱鋼のクリープと粒界析出相の役割}, booktitle = {日本学術振興会第123委員会研究報告}, year = 2022, } @inproceedings{CTT100867448, author = {Ryota Nagashima and Hirotoyo Nakashima and MASAO TAKEYAMA}, title = {Ni-Cr-Mo三元系におけるNiCrMo-P (TCP) 相およびNi2(Cr, Mo) (GCP) 相を利用した組織制御}, booktitle = {日本学術振興会第123委員会研究報告}, year = 2022, } @inproceedings{CTT100867449, author = {Jianhui Yu and Hirotoyo Nakashima and Masao Takeyama}, title = {Effect of transition elements with fcc structure(Ni, Cu)on the phase equilibria in TiAl alloys}, booktitle = {}, year = 2022, } @inproceedings{CTT100867180, author = {Takayuki Kashimoto and Hirotoyo Nakashima and MASAO TAKEYAMA and Yoshihiro Gohda}, title = {第一原理電子論に基づく Ti-Al 基合金における相平衡の評価}, booktitle = {令和 4 年 3 月 1 日発行「まてりあ」Vol.61 No.3 付録}, year = 2022, } @inproceedings{CTT100867181, author = {Hirotoyo Nakashima and Takayuki Kashimoto and Yoshihiro Gohda and MASAO TAKEYAMA}, title = {第一原理計算を援用した Ti-Al-O 三元系状態図の計算}, booktitle = {令和 4 年 3 月 1 日発行「まてりあ」Vol.61 No.3 付録}, year = 2022, } @inproceedings{CTT100867187, author = {Hirotoyo Nakashima and Jianhui Yu and Tomohiro Nishimura and Takeo Miyamura and MASAO TAKEYAMA}, title = {Cu を添加した TiAl 基合金の相平衡}, booktitle = {「まてりあ」Vol.61 No.3 付録}, year = 2022, } @inproceedings{CTT100867189, author = {Takeo Miyamura and Tomohiro Nishimura and Hitoshi Ishida and Hirotoyo Nakashima and MASAO TAKEYAMA}, title = {Cu,Nb 添加 TiAl 鍛造合金の材料組織と機械特性}, booktitle = {「まてりあ」Vol.61 No.3 付録}, year = 2022, } @inproceedings{CTT100867192, author = {Yuta Mitsuya and Ryota Nagashima and Hirotoyo Nakashima and MASAO TAKEYAMA}, title = {Ni-Cr-Mo系合金のクリープにおけるP相による粒界析出強化}, booktitle = {材料とプロセス : 日本鉄鋼協会講演論文集}, year = 2022, } @inproceedings{CTT100867193, author = {Riyuichi Isomura and Hirotoyo Nakashima and MASAO TAKEYAMA}, title = {TiAl基合金の高温疲労き裂進展特性に及ぼす雰囲気の影響}, booktitle = {材料とプロセス : 日本鉄鋼協会講演論文集}, year = 2022, } @inproceedings{CTT100867195, author = {Rikako Fukuda and MASAO TAKEYAMA and Hirotoyo Nakashima}, title = {Ni-Cr-W三元系のMo添加に伴う1273Kにおける相平衡}, booktitle = {材料とプロセス : 日本鉄鋼協会講演論文集}, year = 2022, } @inproceedings{CTT100867198, author = {Umika Watanabe and Hirotoyo Nakashima and MASAO TAKEYAMA}, title = {Ti-Al-Nb三元系合金の相平衡に及ぼす酸素の影響}, booktitle = {材料とプロセス : 日本鉄鋼協会講演論文集}, year = 2022, } @inproceedings{CTT100867211, author = {Hirotoyo Nakashima and Umika Watanabe and Yotaro Okada and MASAO TAKEYAMA}, title = {Experimental and calculated phase diagram of the TiAl alloys containing interstitial elements}, booktitle = {「高温材料の高強度化」研究会 最終報告会}, year = 2022, } @inproceedings{CTT100867214, author = {Ryosuke Yamagata and Hirotoyo Nakashima and MASAO TAKEYAMA}, title = {TiAl 基合金の強度と靱性に及ぼす組織因子の影響}, booktitle = {「高温材料の高強度化」研究会 最終報告会}, year = 2022, } @misc{CTT100885377, author = {MASAO TAKEYAMA and Hirotoyo Nakashima}, title = {鍛造用TiAl合金、TiAl合金材及びTiAl合金材の製造方法}, howpublished = {PublishedPatent}, year = 2022, month = {}, note = {PCT/JP2022/011450(2022/03/14), WO 2022/219991(2022/10/20)} } @misc{CTT100885386, author = {MASAO TAKEYAMA and Hirotoyo Nakashima}, title = {鍛造用TiAl合金、TiAl合金材及びTiAl合金材の製造方法}, howpublished = {PublishedPatent}, year = 2022, month = {}, note = {特願2022-008171(2022/01/21), 特開2022-164557(2022/10/27)} }