A Method for Determining Elastic-Plastic Stress Singularity at the Interface Edge of Bonded Power Law Hardening Materials(Stress Analysis)
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概要
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A theoretical method for estimating the elastic-plastic stress singularity at the interface edge of bonded power-law materials is proposed, based on the iterative approach developed in this study. It is found that the elastic-plastic stress singularity depends on the bonding angle and the larger hardening exponent of the composed materials. The smaller the hardening exponent is, the stronger the stress singularity becomes. Moreover, the elastic plastic stress singularity disappears when the bonding angle is smaller than 45°. The singularity coincides with that of an interface crack when the bonding angle approaches to 180°. Through the comparison with numerical results obtained by the elastic-plastic boundary element analysis, it is proved that the iterative method proposed in this study is accurate enough and very efficient.
- 一般社団法人日本機械学会の論文
- 2002-04-15
著者
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MUTOH Yoshiharu
Department of Mechanical Engineering, Nagaoka University of Technology
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Mutoh Yoshiharu
Department Of Mechanical Engineering Nagaoka University Of Technology
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Xu Jin-quan
Department Of Mechanical Engineering Nagaoka Univ. Of Technology
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Xu Jin-quan
Department Of Mechanical Engineering Nagaoka University Of Technology
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Mutoh Yoshiharu
Department Of Mechanical Engineering Nagaoka Univ. Of Technology
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FU Lie-Dong
Graduate Student, Nagaoka University of Technology
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Fu Lie-dong
Graduate Student Nagaoka University Of Technology
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MUTOH Yoshiharu
Department of Material Science, Nagaoka University of Technology
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