Nobuyuki Ashie
Toto Ltd.
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Featured researches published by Nobuyuki Ashie.
Materials Science Forum | 2004
Koji Neishi; T. Uchida; Nobuyuki Ashie; Atsushi Yamauchi; Katsuaki Nakamura; Zenji Horita; Terence G. Langdon
Equal-channel angular pressing (ECAP) was conducted using dies having two different channel angles, =90 o and 135 o , for grain refinement of a Cu-38%Zn-3%Sn alloy. Orientation image microscopy (OIM) was used for microstructural observations and phase identification including the analysis of misorientation angles. Tensile testing and upset testing were carried out at elevated temperatures to examine the superplastic ductility and the formability of the alloy. The grain refinement was achieved effectively by conducting the ECAP at a temperature where a phase transformation occurs. The use of a die having =90 o led to a finer grain size with a larger fraction of high angle grain boundaries than using a die having =135 o .
Archive | 1997
Nobuyuki Ashie; Masanao Hamasaki; Ryuji Matsubara; Katsuaki Nakamura
Archive | 1994
Masami Hiasa; Nobuyuki Ashie; Susumu Saito; Takayuki Ohtani
Archive | 1999
Katsuaki Nakamura; Tadashi Yoshijima; Nobuyuki Ashie; Atsushi Yamauchi; Kenji Uchio; Ryuji Matsubara; Toru Uchida; Yuki Tanaka; Masateru Shiraishi; Ryoichi Sugimoto; Hiroyuki Sakurai; Hiroshi Nojima; Kenichiro Nakao; Masanobu Ayuzawa; Hironori Abe; Kozo Ito; Koichi Hagiwara
Archive | 2000
Nobuyuki Ashie; Masanao Hamazaki; Ryuji Matsubara; Katsuaki Nakamura; 克昭 中村; 隆二 松原; 正直 濱崎; 伸之 芦江
Archive | 1998
Ryuji Matsubara; Nobuyuki Ashie; Katsuaki Nakamura
Archive | 1997
Nobuyuki Ashie; Masanao Hamazaki; Ryuji Matsubara; Katsuaki Nakamura; Toru Uchida; 克昭 中村; 亨 内田; 隆二 松原; 正直 濱崎; 伸之 芦江
Archive | 1998
Ryuji Matsubara; Nobuyuki Ashie; Katsuaki Nakamura
Archive | 1994
Masami Hiasa; Nobuyuki Ashie; Susumu Saito; Takayuki Ohtani
Archive | 1997
Nobuyuki Ashie; Ryuji Matsubara; Katsuaki Nakamura; 克昭 中村; 隆二 松原; 伸之 芦江
