Microstructural Approach of Study on the Fatigue Behavior of Induction-Hardened Steel (Report 1)
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概要
- 論文の詳細を見る
In recent years it has been well known that the remarkable improvement of fatigue strength of carbon steel specimen which was induction-hardened, can be due to 1) an improvement of mechanical properties of material by rapid heating, and 2) prevention of the propagation of the fatigue crack by the residual compressive stress in the surface layer of a specimen. However, at the initiation stage of a macro-or microscopic fatigue crack, it is not yet defined what kind of role the residual compressive stress in the surface layer of specimen is to play, and what kind of effect the rapid heating has. In this paper, the fatigue behavior of induction-hardened microstructure which is free from the residual compressive stress, is investigated. Also the effect of the microstructural change of material due to induction-hardening on the fatigue strength, is observed.
- 一般社団法人日本機械学会の論文
著者
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Yamada Kunihiro
Graduate School Keio University
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KUNIO Takeshi
Faculty of Engineering, Keio University.
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Kunio Takeshi
Faculty Of Engineering Keio University
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Shimizu Masao
Faculty Of Textile Science Kyoto University Of Industrial Arts And Textile Fibers
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NAKAMURA Hiroshi
Ship Department of Technical Research laboratory, Kawasaki Dockyard Co., Ltd.
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TAKAHASHI Hideo
High Frequency Heat-Treatment Co., Ltd.
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Nakamura Hiroshi
Ship Department Of Technical Research Laboratory Kawasaki Dockyard Co. Ltd.
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Shimizu Masao
Faculty Of Textile Fibers Kyoto University Of Industrial Arts And Textile Fibers.
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Takahashi Hideo
High Frequency Heat-treatment Co. Ltd.
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