Mixed Mode Fracture Criterion in a Thin Sheet of 2024-T3 Al-Alloy : Solid-Mechanics, Strength of Materials
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概要
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This paper is concerned with mixed-mode I-and mode II fracture criterion in the case where stable crack growth occurs before unstable fracture. Finite element analyses and tensile tests were carried out on thin sheet specimens of 2024-T3 aluminum alloy having a center crack inclined to the tensile loading axis. The specimen width and the angle between the center crack and the tensile loading axis were changed over a wide range. It was found that stable crack initiation follows approximately the criterion of J_I+αJ_<II>=(J_i)_I, where α is a constant. The direction of stable crack initiation was perpendicular to the tensile loading axis. The net stress at the maximum load was found to be nearly equal to the yield stress of the material tested.
- 一般社団法人日本機械学会の論文
- 1987-07-15
著者
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Ichikawa Masahiro
Department of Mechanical and Control Engineering, The University of Electro-Communications
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Takamatsu Tohru
Department Of Mechanical Engineering University Of Electro-communications
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Takamatsu Tohru
Department Of Mechanical And Control Engineering University Of Electro-communications
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Ichikawa Masahiro
Department Of Mechanical And Control Engineering The University Of Electro-communications
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Ichikawa Masahiro
Department Of Mechanical Engineering University Of Electro-communications
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