Akira Takamura
Kobe Steel
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Publication
Featured researches published by Akira Takamura.
Corrosion | 1966
Kenji Mori; Akira Takamura; Takaaki Shimose
Abstract It was discovered by the authors that Ti is easily attacked by stress corrosion cracking in methanol containing HCl. This is a report on a study to assess quantitatively stress corrosion cracking of Ti in alcohol solutions. At the same time stress corrosion cracking of Zr was studied because of its similarity in chemical behavior to Ti. Stress corrosion cracking of Ti occurs in methanol solutions containing HCl or H2SO4 and that of Zr is observed in methanol containing HCl or H2SO4 or HCOOH and in ethanol containing HCl. In HCl-alcohol solutions it is observed also that the larger the molecular weight of the alcohol, the longer life the metals have. Addition of water to HCl-methanol solution prevents stress corrosion cracking of Ti and Zr. Critical concentration of water in 0.4 percent HCl-methanol solution is about 1.5 percent for Ti and about 3 percent for Zr. To prevent stress corrosion cracking by stress relief, annealing temperatures should be higher than 500 C (932 F) for Ti and 450 C (842 ...
Corrosion | 1967
Akira Takamura
Abstract Case histories are described concerning corrosion of titanium in hot concentrated chloride solutions and the results of the laboratory investigation on the corrosion behavior of titanium a...
Materials Transactions | 1962
Akira Takamura
Materials Transactions | 1965
Takaaki Shimose; Akira Takamura; Kenji Mori; Kazutoshi Shimogori
Archive | 1987
Kazuo Fujiwara; Hiroo Kodama; Yoshinori Miyazaki; Takenori Nakayama; Akira Takamura; Yasushi Torii; Masahiro Yanagida
Archive | 1971
Akira Takamura; Kazutoshi Shimogori
Zairyo-to-kankyo | 1966
Takaaki Shimose; Akira Takamura; Shigetada Segawa
Journal of The Japan Institute of Metals | 1965
Takaaki Shimose; Akira Takamura
Tetsu To Hagane-journal of The Iron and Steel Institute of Japan | 1972
Akira Takamura; Kaname Arakawa; Takayoshi Tsuboi; Yasushi Torii
Zairyo-to-kankyo | 1970
Akira Takamura; Kaname Arakawa; Kazuo Fujiwara; Hiroaki Hirose
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National Institute of Advanced Industrial Science and Technology
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