Effective elastic properties of piezoelectric composites with radially polarized cylinders

被引：5
|
作者：
Gu, Guo-Qing [1 ]
Wei, En-Bo [2 ,3 ]
Xu, Chen [4 ]
机构：
[1] E China Normal Univ, Sch Informat Sci & Technol, Shanghai 200062, Peoples R China
[2] Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
[3] Chinese Acad Sci, KLOCW, Qingdao 266071, Peoples R China
[4] Suzhou Univ, Dept Phys, Suzhou 215006, Peoples R China
来源：
PHYSICA B-CONDENSED MATTER | 2009年 / 404卷 / 21期
关键词：
Piezoelectric composite; Effective elastic properties; Radial polarization; TRANSVERSELY ISOTROPIC CONSTITUENTS; FIBER-REINFORCED COMPOSITE; CLOSED-FORM EXPRESSIONS; EFFECTIVE COEFFICIENTS; SQUARE SYMMETRY; INCLUSIONS; MATRIX;
D O I：
10.1016/j.physb.2009.07.149
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Effective elastic properties of piezoelectric composites containing an infinitely long, radially polarized cylinder embedded in an isotropic non-piezoelectric matrix are theoretically investigated under an external strain field. Analytical solutions of elastic displacement and electric potentials are exactly derived, and the effective elastic responses are formulated in the dilute limit. Meanwhile, a vanishing piezoelectric response mechanism is revealed in the piezoelectric composite containing radially polarized cylinders. Furthermore, it is shown that the effective elastic properties can be enhanced (or reduced) due to the increase of the piezoelectric (or dielectric) constants of the cylinders. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：4001 / 4006
页数：6
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