Creep-Fatigue Interaction of Modified 9Cr-1Mo Steel in a Very High Vacuum Environment and Experimental Analysis of Overstress
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概要
- 論文の詳細を見る
Creep-fatigue tests were conducted with Modified 9Cr-1Mo steel at 600℃ in a very high vacuum of 0.1μPa in order to investigate a "pure" creep-fatigue behavior which is free from the environmental effect of the air. On the whole, the time-dependent life reduction occurs when the duration of tension is longer than that of compression. A good correlation was found between the creep-fatigue life and the fracture mode. When the fracture mode is transgranular, no time-dependent life reduction occurs. In contrast, when it is predominantly intergranular, a significant life reduction is observed. The overstress was experimentally analyzed to evaluate the creep-fatigue damage. The relationship between the overstress and the inelastic strain rate can be fitted, being independent of the strain range.
- 一般社団法人日本機械学会の論文
- 1995-04-15
著者
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ASADA Yasuhide
Department of Mechanical Engineering, The University of Tokyo
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Asada Y
Central Res. Inst. Electric Power Ind. Tokyo Jpn
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Asada Yasuhide
Department Of Mechanical Engineering The University Of Tokyo
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NAKAMURA Toshiya
Department of Biochemistry, Hirosaki University School of Medicine
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Nakamura T
Univ. Tokyo Tokyo Jpn
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Okamoto Youichi
Bridgestone Corporation
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Yaguchi Masatsugu
Department of Mechanical Engineering, The University of Tokyo
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Yaguchi M
Central Res. Inst. Electric Power Ind. Tokyo Jpn
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