Hiroki Yoshizawa
IHI Corporation
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Featured researches published by Hiroki Yoshizawa.
Volume 9: Eighth International Conference on Creep and Fatigue at Elevated Temperatures | 2007
Keiji Kubushiro; Hiroki Yoshizawa; Takuya Itou; Hirokatsu Nakagawa
Creep-fatigue properties of candidate materials of 700°C-USC boiler are investigated. The candidate materials are Alloy 230, Alloy 263, Alloy 617 and HR6W. Creep-fatigue tests were conducted at 700°C and the effect of both strain range and hold time were studied. Experimental results showed that at 1.0% strain range, cycles to failure with 60 min strain holding is about 10% of that without strain holding, but at 0.7% strain range, cycles to failure with 60 min strain holding decreases down to about 1% of without strain holding. It appears that cycles to failure is decreased by increasing strain holding time at all tested strain ranges, and the effect of holding time is emphasized at small strain range. These phenomena depend on the kind of alloys.© 2007 ASME
Archive | 2004
Toshinori Ota; Hiroki Yoshizawa; Kouiti Fujita; Isao Imai; Tsuyoshi Tosho; Ujihiro Nishiike
Journal of The Society of Materials Science, Japan | 2012
Kyohei Nomura; Keiji Kubushiro; Yohei Sakakibara; Satoshi Takahashi; Hiroki Yoshizawa
Archive | 2000
Hiroki Yoshizawa; Kenji Matsuda; Kiyoshi Nebashi
Journal of The Japan Institute of Metals | 2012
Yohei Sakakibara; Kyohei Nomura; Keiji Kubushiro; Hiroki Yoshizawa
Archive | 2008
Hiroyuki Otsuka; Hiroki Yoshizawa; Katsumi Nakayama
Archive | 2015
Hiroki Yoshizawa; Shigeyuki Satoh; Nobuyasu Tsuno; Natsuki Yoneyama; Shuji Ikeda; Takashi Yoshinouchi; Masayuki Satake
Archive | 2008
Hiroyuki Otsuka; Katsumi Nakayama; Hiroki Yoshizawa
Archive | 2008
Hiroyuki Otsuka; Hiroki Yoshizawa; Katsumi Nakayama
Archive | 2007
Hiroyuki Ochiai; Hiroki Yoshizawa; Mitsutoshi Watanabe; Takashi Furukawa; Issei Ootera