Interface crack-tip generalized stress field and stress intensity factors in transversely isotropic piezoelectric bimaterials

Ou ZC; Chen YH

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Interface crack-tip generalized stress field and stress intensity factors in transversely isotropic piezoelectric bimaterials

机译：横观各向同性压电双材料的界面裂纹尖端广义应力场和应力强度因子

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Transversely isotropic piezoelectric (TIP) bimaterials with an impermeable interface crack have been classified [Int. J. Frac. 119 (2003) L41] into two classes corresponding to the vanishing of the two singularity parameters e or K. It is shown in the present paper that the related eigenvalue problems for either epsilon = 0 or kappa = 0 are not degenerate. The crack-tip generalized stress fields are obtained subsequently. A new definition of crack-tip intensity factors is presented for interface cracks in practical TIP bimaterial of practical interest. Such defined intensity factors are real numbers, which dominate the maximum crack-tip stress singularity and do not generate any phase angle change under any dimension system transformation for physical quantities. (C) 2003 Elsevier Ltd. All rights reserved.

机译：具有不可渗透界面裂纹的横向各向同性压电（TIP）双材料已被分类[Int。 J.弗拉克。 119（2003）L41]分为两个类别，分别对应于两个奇异性参数e或K的消失。本文显示，对于epsilon = 0或kappa = 0而言，相关的特征值问题不会退化。随后获得裂纹尖端的广义应力场。提出了一种实用的实用TIP双材料界面裂纹的裂纹尖端强度因子的新定义。这样定义的强度因子是实数，其控制最大的裂纹尖端应力奇异性，并且在物理量的任何尺寸系统转换下都不会产生任何相角变化。（C）2003 Elsevier Ltd.保留所有权利。

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《Mechanics research communications》 |2004年第4期|共8页
作者
Ou ZC; Chen YH;
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正文语种 eng
中图分类力学;
关键词
piezoelectric materials; interface crack; singularity; intensity factors; crack-tip stress field; MEDIA;

机译：压电材料;界面裂纹;奇异性;强度因子;裂纹尖端应力场;介质;

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1. Interface crack-tip generalized stress field and stress intensity factors in transversely isotropic piezoelectric bimaterials [J] . Ou ZC, Chen YH Mechanics research communications . 2004,第4期

机译：横观各向同性压电双材料的界面裂纹尖端广义应力场和应力强度因子
2. Near-tip stress fields and intensity factors for an interface crack in metal/piezoelectric bimaterials [J] . Z.C. Ou, Y.H. Chen International Journal of Engineering Science . 2004,第13a14期

机译：金属/压电双材料界面裂纹的近尖端应力场和强度因子
3. The singular stress field and stress intensity factors of a crack terminating at a bimaterial interface [J] . Jim Chang, Jin-Quan Xu International Journal of Mechanical Sciences . 2007,第7期

机译：裂纹在双材料界面处终止的奇异应力场和应力强度因子
4. AN INTERACTION INTEGRAL FORMULATION FOR COMPUTING STRESS INTENSITY FACTORS ALONG CURVED BIMATERIAL INTERFACE CRACKS [C] . Michael R. Gosz, Brian Moran, John E. Dolhow ASME International Mechanical Engineering Congress . 1996

机译：沿弯曲双材料裂缝计算应力强度因子的相互作用积分制剂
5. On the singular stress field at the interface of bimaterial systems [D] . Tan, Mingan 1998

机译：关于双材料系统界面处的奇异应力场
6. Estimation of transversely isotropic material properties from magnetic resonance elastography using the optimised virtual fields method [O] . Renee Miller, Arunark Kolipaka, Martyn P. Nash, -1

机译：使用优化的虚拟场方法从磁共振弹性成像估计横向各向同性的材料特性
7. Stress intensity factors and order of stress singularities at the tips of a crack normal to the bimaterial interface. [O] . Hideaki KASANO, Tsuneo WATANABE, Hiroyuki MATSUMOTO, 1987

机译：对黑质脉冲尖端尖端的应力强度因子和应力奇异的顺序。
8. Finite Elements for Determination of Crack-Tip Elastic Stress Intensity Factors. [R] . tracey,dennis m. 1972

机译：裂纹尖端弹性应力强度因子测定的有限元分析。

Interface crack-tip generalized stress field and stress intensity factors in transversely isotropic piezoelectric bimaterials

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