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A Piezoelectric Screw Dislocation Interacting with an Elliptical Piezoelectric Inhomogeneity Containing a Confocal Elliptical Rigid Core

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【Author】 JIANG Chun-Zhi~+ XIE Chao LIU You-Wen 1 State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body,Hunan University,Changsha 410082, China 2 College of Mechanical and Vehicle Engineering,Hunan University,Changsha 410082,China 3 Department of Physics and Electronic Information Engineering,Xiangnan University,Chenzhou 423000,China

【机构】 State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body,Hunan University； College of Mechanical and Vehicle Engineering,Hunan University； Department of Physics and Electronic Information Engineering,Xiangnan University；

【摘要】 <正>The electro-elastic interaction between a piezoelectric screw dislocation and an elliptical piezoelectric inhomogeneity,which contains an electrically conductive confocal elliptical rigid core under remote anti-plane shear stresses and in-plane electrical load is dealt with.The analytical solutions to the elastic field and the electric field, the interfacial stress fields of inhomogeneity and matrix under longitudinal shear and the image force acting on the dislocation are derived by means of complex method.The effect of material properties and geometric configurations of the rigid core on interfacial stresses generated by a remote uniform load,rigid core and material electroelastic properties on the image force is discussed.更多还原

【Abstract】 The electro-elastic interaction between a piezoelectric screw dislocation and an elliptical piezoelectric inhomogeneity,which contains an electrically conductive confocal elliptical rigid core under remote anti-plane shear stresses and in-plane electrical load is dealt with.The analytical solutions to the elastic field and the electric field, the interfacial stress fields of inhomogeneity and matrix under longitudinal shear and the image force acting on the dislocation are derived by means of complex method.The effect of material properties and geometric configurations of the rigid core on interfacial stresses generated by a remote uniform load,rigid core and material electroelastic properties on the image force is discussed.更多还原

【关键词】 complex variable method； piezoelectric screw dislocation； elliptical inhomogeneity； elliptical rigid core；
【Key words】 complex variable method； piezoelectric screw dislocation； elliptical inhomogeneity； elliptical rigid core；

【基金】 Supported by the Science Fund of State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body under Grant No.60870005;the National Natural Science Foundation of China under Grant No.10872065

【文献出处】 Communications in Theoretical Physics ,理论物理通讯(英文版) , 编辑部邮箱 ,2011年10期

【分类号】O482.4
【被引频次】2
【下载频次】14

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