"Hirotoyo Nakashima,Jianhui Yu,Masao Takeyama","Experimental phase diagram study of the TiAl-rich part of the Ti?Al?Ni ternary system",,"CALPHAD","Elsevier","Vol. 80",,,2022,Dec.
"HIROYUKI YASUDA,Ken Cho,Mitsuharu TODAI,Hirotoyo Nakashima,MASAO TAKEYAMA,TAKAYOSHI NAKANO","�q‹ó‹@ƒWƒFƒbƒgƒGƒ“ƒWƒ“—pTiAl�‡‹à‚Ì “dŽqƒr�[ƒ€�Ï‘w‘¢Œ`",,"‚Ó‚¥‚ç‚Þ","“ú–{“S�|‹¦‰ï","Vol. 27","No. 12","pp. 913-919",2022,Dec.
"Shuntaro Ida,Ryosuke Yamagata,Hirotoyo Nakashima,Satoru Kobayashi,Masao Takeyama","Grain Boundary Precipitation Control of GCP Phase Using TCP  or A2 Phase in Ni-Based Alloys",,"Metals 2022,","MDPI",,,,2022,Oct.
"Ali Shaaban,Hirotoyo Nakashima,Mitsutoshi Ueda,Masao Takeyama","Effects of oxygen addition on the microstructure phase transformations and oxidation resistance of TiAl alloys",,"Journal of Alloys and Compounds","ELSEVIER","Vol. 918",,,2022,Oct.
"Hirotoyo Nakashima,Ryosuke Yamagata,MASAO TAKEYAMA","Experimental study and modeling of ƒ¿2+ƒÁ �¨ ƒÀ+ƒÁdiscontinuous precipitation in TiAl alloys","“ú–{‹à‘®Šw‰ï2022”N�HŠú(‘æ171‰ñ)�u‰‰‘å‰ï",,,,,,2022,Sept.
"Ryota Nagashima,Hirotoyo Nakashima,MASAO TAKEYAMA","Computational and Experimental Study on Phase Stability of A2B-type Compound in Ni-Cr-Mo System Alloys",,"CAMP-ISIJ",,"Vol. 35",,"p. 652",2022,Sept.
"Riyuichi Isomura,Ryosuke Yamagata,Hirotoyo Nakashima,MASAO TAKEYAMA","Environmental Effect on Fatigue Crack Growth Behavior of TiAl Based Alloy at 1073 K","“ú–{‹à‘®Šw‰ï2022”N�HŠú(‘æ171‰ñ)�u‰‰‘å‰ï",,,,,,2022,Sept.
"Ryosuke Yamagata,Hirotoyo Nakashima,MASAO TAKEYAMA","Construction of Microstructure Constituents-based Fracture Toughness Prediction Methods for TiAl Alloys","“ú–{‹à‘®Šw‰ï2022 ”N�HŠú�u‰‰�i‘æ 171 ‰ñ�j‘å‰ï",,"“ú–{‹à‘®Šw‰ï",,,,2022,Sept.
"Hirotoyo Nakashima,Arata Kinouchi,Masao Takeyama","Quantitative analysis of oxygen in solution in the Ti-Al-O ternary alloys by soft X-ray emission spectroscopy",,"Journal of Alloys and Compounds","ELSEVIER",,,,2022,June
"Yuro Kino,Ryosuke Yamagata,Hirotoyo Nakashima,MASAO TAKEYAMA","Ti3Al-ƒ¿2/TiAl-ƒÁƒ‰ƒ�ƒ‰‘g�D‚ð—L‚·‚é TiAl Šî�‡‹à‚̃Á—±“±“ü‚É‚æ‚éƒNƒŠ�[ƒv•ÏŒ`‹““®‚̕ω»","‘æ93‰ñ“ú–{”M�ˆ—�‹Z�p‹¦‰ï�u‰‰‘å‰ï","“ú–{”M�ˆ—�‹Z�p‹¦‰ï�u‰‰‘å‰ï �u‰‰ŠT—v�W","“ú–{”M�ˆ—�‹Z�p‹¦‰ï",,,"pp. 11-12",2022,May
"Takeo Miyamura,Tomohiro Nishimura,Hitoshi Ishida,Hirotoyo Nakashima,MASAO TAKEYAMA","Cu,Nb “Y‰Á TiAl ’b‘¢�‡‹à‚Ì�Þ—¿‘g�D‚Æ‹@ŠB“Á�«","“ú–{‹à‘®Šw‰ï 2022 ”N�tŠú�i‘æ 170 ‰ñ�j�u‰‰‘å‰ï","�u‚Ü‚Ä‚è‚ �vVol.61 No.3 •t˜^","“ú–{‹à‘®Šw‰ï",,,"p. 31",2022,Mar.
"Hirotoyo Nakashima,Jianhui Yu,Tomohiro Nishimura,Takeo Miyamura,MASAO TAKEYAMA","Cu ‚ð“Y‰Á‚µ‚½ TiAl Šî�‡‹à‚Ì‘Š•½�t","“ú–{‹à‘®Šw‰ï 2022 ”N�tŠú�i‘æ 170 ‰ñ�j�u‰‰‘å‰ï","�u‚Ü‚Ä‚è‚ �vVol.61 No.3 •t˜^",,,,"p. 31",2022,Mar.
"Hirotoyo Nakashima,Takayuki Kashimoto,Yoshihiro Gohda,MASAO TAKEYAMA","‘æˆêŒ´—�ŒvŽZ‚ð‰‡—p‚µ‚½ Ti-Al-O ŽOŒ³Œn�ó‘Ô�}‚ÌŒvŽZ","“ú–{‹à‘®Šw‰ï 2022 ”N�tŠú�i‘æ 170 ‰ñ�j�u‰‰‘å‰ï","—ߘa 4 ”N 3 ŒŽ 1 “ú”­�s�u‚Ü‚Ä‚è‚ �vVol.61 No.3 •t˜^","“ú–{‹à‘®Šw‰ï",,,"p. 31",2022,Mar.
"Takayuki Kashimoto,Hirotoyo Nakashima,MASAO TAKEYAMA,Yoshihiro Gohda","‘æˆêŒ´—�“dŽq˜_‚ÉŠî‚­ Ti-Al Šî�‡‹à‚É‚¨‚¯‚é‘Š•½�t‚Ì•]‰¿","“ú–{‹à‘®Šw‰ï 2022 ”N�tŠú�i‘æ 170 ‰ñ�j�u‰‰‘å‰ï","—ߘa 4 ”N 3 ŒŽ 1 “ú”­�s�u‚Ü‚Ä‚è‚ �vVol.61 No.3 •t˜^",,,,"p. 31",2022,Mar.
"Jianhui Yu,Hirotoyo Nakashima,Masao Takeyama","Effect of transition elements with fcc structure(Ni, Cu)on the phase equilibria in TiAl alloys","“ú–{Šw�p�U‹»‰ï‘æ123ˆÏˆõ‰ï3ŒŽŠúŒ¤‹†‰ï",,"“ú–{Šw�p�U‹»‰ï‘æ123ˆÏˆõ‰ï","Vol. 63","No. 1","pp. 85-96",2022,Mar.
"Ryota Nagashima,Hirotoyo Nakashima,MASAO TAKEYAMA","Ni-Cr-MoŽOŒ³Œn‚É‚¨‚¯‚éNiCrMo-P (TCP) ‘Š‚¨‚æ‚ÑNi2(Cr, Mo) (GCP) ‘Š‚ð—˜—p‚µ‚½‘g�D�§Œä","“ú–{Šw�p�U‹»‰ï‘æ123ˆÏˆõ‰ï3ŒŽŠúŒ¤‹†‰ï","“ú–{Šw�p�U‹»‰ï‘æ123ˆÏˆõ‰ïŒ¤‹†•ñ��","“ú–{Šw�p�U‹»‰ï‘æ123ˆÏˆõ‰ï","Vol. 63","No. 1","pp. 65-74",2022,Mar.
"Yuta Mitsuya,SEONGTAK OH,Hideki Wakabayashi,Hirotoyo Nakashima,MASAO TAKEYAMA","Ta“Y‰Á‚É‚æ‚éLaves‘Š‹­‰»Œ^ƒI�[ƒXƒeƒiƒCƒgŒn’´‘Ï”M�|‚̃NƒŠ�[ƒv‚Æ—±ŠE�Í�o‘Š‚Ì–ðŠ„","“ú–{Šw�p�U‹»‰ï‘æ123ˆÏˆõ‰ï3ŒŽŠúŒ¤‹†‰ï","“ú–{Šw�p�U‹»‰ï‘æ123ˆÏˆõ‰ïŒ¤‹†•ñ��","“ú–{Šw�p�U‹»‰ï‘æ123ˆÏˆõ‰ï","Vol. 63","No. 1","pp. 1-12",2022,Mar.
"Ryosuke Yamagata,Hirotoyo Nakashima,MASAO TAKEYAMA","TiAl Šî�‡‹à‚Ì‹­“x‚ÆèÕ�«‚É‹y‚Ú‚·‘g�DˆöŽq‚̉e‹¿","“ú–{“S�|‹¦‰ï �Þ—¿‚Ì‘g�D‚Æ“Á�«•”‰ï�u�‚‰·�Þ—¿‚Ì�‚‹­“x‰»�vŒ¤‹†‰ï","�u�‚‰·�Þ—¿‚Ì�‚‹­“x‰»�vŒ¤‹†‰ï �Å�I•ñ��‰ï",,,,,2022,Mar.
"Hirotoyo Nakashima,Umika Watanabe,Yotaro Okada,MASAO TAKEYAMA","Experimental and calculated phase diagram of the TiAl alloys containing interstitial elements","“ú–{“S�|‹¦‰ï �Þ—¿‚Ì‘g�D‚Æ“Á�«•”‰ï�u�‚‰·�Þ—¿‚Ì�‚‹­“x‰»�vŒ¤‹†‰ï","�u�‚‰·�Þ—¿‚Ì�‚‹­“x‰»�vŒ¤‹†‰ï �Å�I•ñ��‰ï",,,,,2022,Mar.
"Umika Watanabe,Hirotoyo Nakashima,MASAO TAKEYAMA","Ti-Al-NbŽOŒ³Œn�‡‹à‚Ì‘Š•½�t‚É‹y‚Ú‚·Ž_‘f‚̉e‹¿","“ú–{“S�|‹¦‰ï‘æ183‰ñ�t‹G�u‰‰‘å‰ï","�Þ—¿‚ƃvƒ�ƒZƒX : “ú–{“S�|‹¦‰ï�u‰‰˜_•¶�W","“ú–{“S�|‹¦‰ï","Vol. 35","No. 1","p. 62",2022,Mar.
"Rikako Fukuda,MASAO TAKEYAMA,Hirotoyo Nakashima","Ni-Cr-WŽOŒ³Œn‚ÌMo“Y‰Á‚É”º‚¤1273K‚É‚¨‚¯‚é‘Š•½�t","“ú–{“S�|‹¦‰ï‘æ183‰ñ�t‹G�u‰‰‘å‰ï","�Þ—¿‚ƃvƒ�ƒZƒX : “ú–{“S�|‹¦‰ï�u‰‰˜_•¶�W","“ú–{“S�|‹¦‰ï","Vol. 35","No. 1","p. 57",2022,Mar.
"Riyuichi Isomura,Hirotoyo Nakashima,MASAO TAKEYAMA","TiAlŠî�‡‹à‚Ì�‚‰·”æ˜J‚«—ô�i“W“Á�«‚É‹y‚Ú‚·•µˆÍ‹C‚̉e‹¿","“ú–{“S�|‹¦‰ï‘æ","�Þ—¿‚ƃvƒ�ƒZƒX : “ú–{“S�|‹¦‰ï�u‰‰˜_•¶�W","“ú–{“S�|‹¦‰ï","Vol. 35","No. 1","p. 36",2022,Mar.
"Yuta Mitsuya,Ryota Nagashima,Hirotoyo Nakashima,MASAO TAKEYAMA","Ni-Cr-MoŒn�‡‹à‚̃NƒŠ�[ƒv‚É‚¨‚¯‚éP‘Š‚É‚æ‚é—±ŠE�Í�o‹­‰»","“ú–{“S�|‹¦‰ï‘æ183‰ñ�t‹G�u‰‰‘å‰ï","�Þ—¿‚ƃvƒ�ƒZƒX : “ú–{“S�|‹¦‰ï�u‰‰˜_•¶�W","“ú–{“S�|‹¦‰ï","Vol. 35","No. 1","p. 247",2022,Mar.
"Seongtak OH,Hirotoyo NAKASHIMA,Ryosuke YAMAGATA,Satoru KOBAYASHI,Masao TAKEYAMA","Effects of Zr Addition on Precipitation and Stability of Fe2Nb  Laves and Ni3Nb Phases in Novel Fe?Cr?Ni?Nb Austenitic  Heat-resistant Steels",,"ISIJ International","The Iron and Steel Institute of Japan",,,,2022,Feb.