The effective electrostriction of P(VDF-TrFE) polymer based composites

被引：0
|
作者：
Li, JY [1 ]
Rao, N [1 ]
机构：
[1] Univ Nebraska, Dept Engn Mech, Lincoln, NE 68588 USA
来源：
SMART STRUCTURES AND MATERIALS 2003: ELECTROACTIVE POLYMER ACTUATORS AND DEVICES (EAPAD) | 2003年 / 5051卷
关键词：
P(VDF-TrFE) polymer; electrostriction; electrostrictive composite; micromechanics;
D O I：
10.1117/12.484372
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Electrostriction refers to the strain induced in a dielectric by electric polarization, which is usually very small for practical applications. In this paper we present a micromechanical analysis on the effective electrostriction of a P(VDF-TrFE) polymer based composite, where the relationship between the effective electrostrictive coefficients of the composite and its microstructure is established. Enhanced electrostriction in the composite has been demonstrated, and optimal microstructure for electrostriction enhancement has been identified. Our analysis provides a mechanism for the electrostriction enhancement, where the electrostrictive strain several times higher can be obtained if the microstructure of the composites can be carefully tailored.
引用
收藏
页码：170 / 179
页数：10
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