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Interaction between a generalized screw dislocation in the matrix and an inhomogeneity containing an elliptic hole in piezoelectric–piezomagnetic composite materials

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成果类型:
期刊论文
作者:
Peng, Xianghua;Yu, Min*;Yang, Yuxuan
通讯作者:
Yu, Min
作者机构:
[Peng, Xianghua] Cent South Univ Forestry & Technol, Swan Coll, Changsha, Hunan, Peoples R China.
[Peng, Xianghua; Yu, Min; Yang, Yuxuan] Cent South Univ Forestry & Technol, Hunan Prov Key Lab Engn Rheol, Changsha 410004, Hunan, Peoples R China.
通讯机构:
[Yu, Min] C
Cent South Univ Forestry & Technol, Hunan Prov Key Lab Engn Rheol, Changsha 410004, Hunan, Peoples R China.
语种:
英文
关键词:
Composite materials;Crack tips;Energy release rate;Piezoelectricity;Shear stress;Stress intensity factors;Elliptic hole;Generalized screw dislocations;Generalized stress intensity factors;Image force;In-plane electric fields;Magneto electro elastic;Magneto-electro-elastic composite;Piezomagnetic composites;Screws
期刊:
MATHEMATICS AND MECHANICS OF SOLIDS
ISSN:
1081-2865
年:
2019
卷:
24
期:
10
页码:
3080-3091
基金类别:
The author(s) disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: This work was supported by the National Natural Science Foundation of China (grant number 11602308) and the Hunan Province Key Laboratory of Engineering Rheology of Central South University of Forestry and Technology (grant number 19HNKLE06).
机构署名:
本校为第一且通讯机构
院系归属:
土木工程学院
涉外学院
摘要:
The paper deals with the interaction of a generalized screw dislocation and an elliptic inhomogeneity containing a confocal elliptic hole in a magneto-electro-elastic composite material. Exact solutions are derived for the case where the generalized screw dislocation is located in the matrix under a remote anti-plane shear stress field, an in-plane electric field, and a magnetic field. Based on the complex variable method, the complex potentials of both the matrix and the inhomogeneity are obtained in series, and analytic expressions for the ge...

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