Microscopic Residual Stress in Metals Deformed Plastically Under Multiaxial Stress
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概要
- 論文の詳細を見る
The microscopic and macroscopic residual stresses in metals deformed plastically under multiaxial stress are studied with the models of polycrystals. In the analysis, the Taylor model is adopted for the plastic deformation and the uniform stress and uniform strain models are used for the unloading process after the plastic deformation. The state of microscopic residual stress in a grain changes with the orientation of the crystal and it is much affected by the state of macroscopic stress in the plastic deformation. The microscopic residual stress is different from the macroscopic one. In the case where a compressive residual stress is observed macroscopically, there exists a tensile residual stress in a particular grain. The residual lattice strain is not linearly related to sin^2φ in X-ray stress measurement. The residual lattice strains measured by X-rays agree with the results analyzed by the Taylor model and the uniform stress model.
- 一般社団法人日本機械学会の論文
- 1989-01-15
著者
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HONDA Kazuo
Faculty of Medicine, Kyoto University
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Hara Yukihiro
Sekisui Chemical Co.
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SARAI Takaaki
Faculty of Engineering, Okayama University
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Honda Kazuo
Faculty Of Engineering Kyoto University
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Sarai Takaaki
Faculty Of Engineering Okayama University
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Honda Kazuo
Faculty of Education, Shimane University, Matsue 690-8504, Japan
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