Application of a Nonlinear Creep-Fatigue Damage Model to 2 1/4 Cr-1Mo Steel
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概要
- 論文の詳細を見る
A nonlinear damage model, previously developed for creep-fatigue life evaluation of Mod. 9Cr-1Mo steel and 316FR stainless steel in a high vacuum environment was applied to 2 1/4 Cr-1Mo steel. In the damage model, the damage accumulation process is considered to be composed of three basic processes : fatigue, creep and creep-fatigue. The fatigue damage process consists of a crack initiation period and a crack growth period. The creep damage process consists of nucleation of creep cavities. Damage interaction is fatigue cracks propagate from creep cavities. Application of this damage model to creep-fatigue tests under complex waveforms and complex strain histories showed a good correlation with the experimental results within a factor of 2.
- 一般社団法人日本機械学会の論文
- 2001-01-15
著者
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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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JIRAPONG Kasivitamnuay
Department of Mechanical Engineering, University of Tokyo
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Jirapong Kasivitamnuay
Department Of Mechanical Engineering University Of Tokyo
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