Effects of electrostatic tractions on the interfacial fracture behavior of two-phase piezoelectric materials

被引：4
|
作者：
Zhao, MingHao [1 ,2 ,3 ]
Liu, HaiTao [3 ,4 ]
Xu, GuangTao [1 ,2 ]
Fan, CuiYing [1 ,2 ]
机构：
[1] Zhengzhou Univ, Henan Key Engn Lab Antifatigue Mfg Technol, Zhengzhou 450001, Peoples R China
[2] Zhengzhou Univ, Sch Mech Engn, 100 Sci Rd, Zhengzhou 450001, Henan, Peoples R China
[3] Zhengzhou Univ, Sch Mech & Engn Sci, Zhengzhou 450001, Herts, Peoples R China
[4] Univ Wollongong, Sch Mech Mat & Mechatron Engn, Wollonggong, NSW, Australia
来源：
ENGINEERING FRACTURE MECHANICS | 2016年 / 153卷
基金：
中国国家自然科学基金;
关键词：
Two-phase piezoelectric materials; Bilayer beam model; Interfacial crack; Electrostatic traction; Energy release rate; ENERGETICALLY CONSISTENT; MECHANICS; CRACK;
D O I：
10.1016/j.engfracmech.2015.10.044
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
A bilayer beam model constructed using two-phase piezoelectric materials is developed to study the fracture behavior of interfacial cracks under mechanical/electrical loading, in which the effects of electrostatic traction on the interfacial crack faces and the piezoelectricity of the materials are taken into account. An analytical solution is derived, and the energy release rate of the interfacial cracks is obtained. The electrostatic traction on the crack faces and the interfacial crack behavior are successfully simulated using the finite element method integrated with an iterative approach. The numerical and analytical solutions are compared and are found to agree with each other. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：289 / 301
页数：13
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