On the development of multiaxial phenomenological constitutive laws for ferroelectric ceramics

被引：29
|
作者：
Lynch, CS [1 ]
机构：
[1] Georgia Inst Technol, George W Woodruff Sch Mech Engn, Atlanta, GA 30322 USA
来源：
JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES | 1998年 / 9卷 / 07期
关键词：
D O I：
10.1177/1045389X9800900707
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Multiaxial constitutive laws for ferroelectric ceramics that include hysteresis, rate dependence, saturation, and are capable of simulating nonproportional loading are needed for stress analysis and reliable design of smart structures. The relationship between constitutive behavior of ferroelectric ceramics and phenomena that occur across multiple length scales is reviewed. A framework for the development of phenomenological constitutive laws at the macroscopic scale is presented, and a multiaxial law with 90 degrees (70.5 and 109.5 when rhombohedral) and 180 degrees switching effects is described.
引用
收藏
页码：555 / 563
页数：9
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