Sumio Yoshioka
Mitsubishi Electric
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Publication
Featured researches published by Sumio Yoshioka.
Mechanical Behaviour of Materials VI#R##N#Proceedings of the Sixth International Conference, Kyoto, Japan, 29 July℃2 August 1991 | 1992
Y. Uegai; Shuichi Tani; Sumio Yoshioka; Akio Inoue; J. Hirota
ABSTRACT This paper proposes the evaluation method of fatigue damage (fatigue crack length) in solder joints of electronic devices. The fatigue damage is evaluated by means of the residual strength obtained by the peeling test of cracked solder joint after mechanical fatigue test. The observation of fracture surface of solder joints are carried out by scanning electron microscope (SEM) in order to investigate the relationship between the residual strength and fatigue crack length. Moreover, the residual strength of cracked solder joints is estimated by the finite element analysis. The test and analysis are carried out for the surface mount IC packages. It is found that the fatigue damage in solder joints can be evaluated by the peeling test and the finite element analysis is available for the estimation of the residual strength.
Journal of The Society of Materials Science, Japan | 2002
Izuru Nishikawa; Hidetoshi Nakayasu; Atsushi Sugeta; Toshinori Yokomaku; Sumio Yoshioka; Toshio Shuto; Tomofumi Shintani; Takashi Sakai; Tatsuo Sakai
Transactions of the Japan Society of Mechanical Engineers. A | 1989
Mitsuru Sato; Ryoji Yuuki; Sumio Yoshioka
Transactions of the Japan Society of Mechanical Engineers. A | 1994
Mitsuru Sato; Ryoji Yuuki; Akio Inoue; Shuichi Tani; Sumio Yoshioka; Makoto Iwaoka
Transactions of the Japan Society of Mechanical Engineers. A | 1995
Yasumi Uegai; Shuichi Tani; Akio Inoue; Sumio Yoshioka; Shinji Badono; Akemi Hijikata
Transactions of the Japan Society of Mechanical Engineers. A | 1992
Mitsuru Sato; Ryoji Yuuki; Sumio Yoshioka
JSME international journal. Series 1, solid mechanics, strenght of materials | 1990
Mitsuru Sato; Ryoji Yuuki; Sumio Yoshioka
Journal of The Society of Materials Science, Japan | 1989
Akio Inoue; Shuichi Tani; Sumio Yoshioka; Akinori Ueda; Tadatoshi Takayanagi; Masahiro Ohno; Junji Ishizaka
Tetsu To Hagane-journal of The Iron and Steel Institute of Japan | 1987
Keijiro Hiraga; Toshio Ogata; Kotobu Nagai; Tetsumi Uri; Keisuke Ishikawa; Sumio Yoshioka; Akio Inoue; Sadatoshi Takayanagi
Journal of The Society of Materials Science, Japan | 1998
Shigeo Ohsugi; Sumio Yoshioka; Masayuki Miyazaki; Junko Itoh; Shuichi Tani; Koji Nakamura
