607 接合界面での弾塑性応力特異性に関する研究(応力集中問題)(OS.3 弾塑性材料のシミュレーションと実験)

概要

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In this paper, the plastic stress singularity near a crack tip perpendicular to the interface between two power law hardening materials is studied by using FEM. Based on the numerical results, the effect of hardening exponent n for each material on the stress singularity around the crack tip is investigated. When the hardening exponent n_1 for the material with a crack is larger than n_2 without a crack, the plastic stress singularity obtained by FEM is quite agreement with that obtained by eigenfunction expansion method. 0n the other hand, when n_1 < n_2, the plastic stress singularity occurs near the crack tip as a function of θ. That is, the plastic stress singularity differs in each material if n_1 < n_2.
一般社団法人日本機械学会の論文
2001-03-09