弹塑性薄粘合层平面问题的类型对 $$j$$ 积分值的影响

IF 0.5 4区工程技术 Q4 MECHANICS

Journal of Applied Mechanics and Technical Physics Pub Date : 2024-02-13 DOI:10.1134/S0021894423060196

V. E. Bogacheva, V. V. Glagolev, L. V. Glagolev, A. A. Markin

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引用次数: 0

摘要

摘要本文描述了对弹性双悬臂梁形式样品的理想弹塑性粘合剂层的变形研究。在考虑了层中所有对角线应力张量分量的情况下，确定了一些粘合剂的 $J$ 积分值。结果表明，在应用弹性塑性层变形模型的情况下，$J$积分值受平面问题类型的影响很大。研究表明，在平面受力状态下，粘合剂不可逆变形区域的正常断裂过程中可能存在压应力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

$EFFECT OF THE TYPE OF A PLANE PROBLEM FOR A THIN ELASTOPLASTIC ADHESIVE LAYER ON $J$ INTEGRAL VALUES$

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EFFECT OF THE TYPE OF A PLANE PROBLEM FOR A THIN ELASTOPLASTIC ADHESIVE LAYER ON $J$ INTEGRAL VALUES

This paper describes a study of deformation of an ideal elastoplastic adhesive layer of a sample in the form of an elastic double-cantilever beam. The $J$ integral values are determined for a number of adhesives with account for all diagonal stress tensor components in the layer. It is shown that the $J$ integral value is significantly affected by the plane problem type in the case where an elastic-plastic model of layer deformation is applied. As demonstrated in the study, compressive stresses may be present during normal fracture in the irreversible deformation region of the adhesive in a plane stressed state.

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来源期刊

Journal of Applied Mechanics and Technical Physics 物理-力学

CiteScore

1.20

自引率

16.70%

发文量

审稿时长

4-8 weeks

期刊介绍： Journal of Applied Mechanics and Technical Physics is a journal published in collaboration with the Siberian Branch of the Russian Academy of Sciences. The Journal presents papers on fluid mechanics and applied physics. Each issue contains valuable contributions on hypersonic flows; boundary layer theory; turbulence and hydrodynamic stability; free boundary flows; plasma physics; shock waves; explosives and detonation processes; combustion theory; multiphase flows; heat and mass transfer; composite materials and thermal properties of new materials, plasticity, creep, and failure.