"Toshikazu  Kikugawa,Yuuji  Imai,Masao  Takeyama.","In-situ Observation of Cracking Behavior in Ti-47.5Al Lamellar Single Crystal","2012 MRS FALL MEETING","2012 MRS FALL MEETING PROGRAM & EXHIBIT GUIDE","Materials Research Society",,,"p. 414",2012,Nov.
"Yuuji Imai,Toshikazu Kikugawa,Masao Takeyama","Cracking Behavior and Toughness of Lamellar Microstructure in Gamma TiAl Alloys for Jet Engine Application","The 4th Joint Symposium Materials Science and Engineering of Dalian University of Technology & Department of Metallurgy of Tokyo Institute of Technology","Abstract Book of The 4th Joint Symposium Materials Science and Engineering of Dalian University of Technology & Department of Metallurgy of Tokyo Institute of Technology","Materials Science and Engineering of Dalian University of Technology",,,"pp. 19-21",2012,Sept.
"今井佑治,菊川敏一,竹山雅夫","TiAl基フルラメラ単結晶合金のき裂の発生および伝播に及ぼすα2板の効果","日本金属学会第151回講演大会","日本金属会講演概要2012年秋期講演大会","日本金属学会",,,,2012,Sept.
"今井佑治,菊川敏一,竹山雅夫","γ / γ界面からなるTi-48Al-8Nbフルラメラ単結晶のき裂発生・伝播挙動とその方位依存性","日本学術振興会第123委員会研究会","耐熱金属材料第123委員会研究報告","日本学術振興会","Vol. 53","No. 2","pp. 163-174",2012,July
"Yuuji Imai,Toshikazu Kikugawa,Masao Takeyama","In-situ Observation of Cracking Behavior of y/y Lamellar Single Crystal in Ti-48Al-8Nb","Gamma(TiAl) Alloy Technology 2012","Gamma(TiAl) Alloy Technology 2012 Programm & Abstracts",,,,"p. 41",2012,June
"菊川 敏一,今井 佑治,竹山 雅夫","TiAl基フルラメラ単結晶のき裂発生・伝播挙動に及ぼす方位及びα2板の影響","2012年春期講演 (第150回) 大会","2012年春期講演 (第150回) 大会概要集(DVD)","社団法人 日 本 金 属 学 会",,,"p. S2-26",2012,Apr.
"菊川敏一,今井佑治,竹山雅夫","種々の方位を有するTi-47.5Al フルラメラ単結晶のSEM内曲げ試験その場観察によるき裂伝播挙動","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. 53","No. 1","pp. 59-70",2012,Mar.
"Hirotoyo Nakashima,Toshikazu Kikugawa,Shun Oinuma,Masao Takeyama","Effect of Lanmellar Microstructure on Impact Toughness and Fracture Behavior in Wrought Gamma TiAl Alloy","TMS 2011 140th Annual Meeting & Exhibition","TMS 2011  Annual Meeting Final Program","TMS",,,"p. 135",2011,Feb.
"菊川敏一,高田尚記,松尾孝,竹山雅夫","TiAlフルラメラ単結晶のSEM内曲げ試験によるき裂伝播のその場観察","第67回 日本熱処理技術協会講演大会","第67回 日本熱処理技術協会講演大会 講演概要集","日本熱処理技術協会","Vol. 67",,"pp. 15-16",2009,May