Hisashi Takada
Kobe Steel
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Featured researches published by Hisashi Takada.
ASTM special technical publications | 1978
Hisashi Takada; Koji Kaneko; Tsuyoshi Inoue; Shushi Kinoshita
The present work has been made to elucidate the quantitative effects of the amount and shape of inclusions in carbon-manganese steel plates on the tensile and impact ductilities in connection with test directions. The influence of rolling conditions on ductility can be expressed as a function of the shape parameter of the inclusions in terms of the aspect ratio of elliptical manganese sulfide on the polished surface. Tensile and impact ductilities in transverse and through-thickness directions were improved by rare earth metal (REM) additions to such an extent that the ductilities of REM-treated steel specimens were nearly the same as those of the REM-free steel specimens, although the inclusion content of the former was as much as two or three times more than that of the latter. Efforts were made to express ductility in one parameter regardless of the inclusion shape and test directions, and it was found that the ductility was closely related to an inclusion area fraction on the ductile fracture surface.
Tetsu To Hagane-journal of The Iron and Steel Institute of Japan | 1976
Hisashi Takada; Isamu Bessho; Takamichi Ito
Isij International | 1985
Toshimasa Sakamoto; Katsuyuki Yoshikawa; Hisashi Takada
Tetsu To Hagane-journal of The Iron and Steel Institute of Japan | 1983
Ichiro Tsukatani; Masatoshi Sudo; Hisashi Takada
Tetsu To Hagane-journal of The Iron and Steel Institute of Japan | 1983
Osamu Saeki; Hisashi Takada; Masatoshi Sudo; Tsuguaki Ohki
Tetsu To Hagane-journal of The Iron and Steel Institute of Japan | 1982
Hisashi Takada; Masatoshi Sudo; Ichiro Tsukatani; Denei Takai; Akira Hase; Kunio Tsuji
Tetsu To Hagane-journal of The Iron and Steel Institute of Japan | 1981
Hisashi Takada; Hiroshi Hato; Yuichi Seki; Katsumi Tsuji; Shigeru Kawahara
Isij International | 1981
Chisato Yoshida; Toshimasa Sakamoto; Takamichi Ito; Takasuke Mori; Hisashi Takada
Tetsu To Hagane-journal of The Iron and Steel Institute of Japan | 1965
Akira Suzuki; Hisashi Takada; Takeshi Suzuki; Hiroaki Nakajima; Nobuo Honda
Tetsu To Hagane-journal of The Iron and Steel Institute of Japan | 1962
Taira Nakano; Hisashi Takada; Kiichi Narita; Kazuyoshi Ukihashi