THEORETICAL APPROACH TO THE COUPLED THERMAL-ELECTRICAL-MECHANICAL PROPERTIES OF INHOMOGENEOUS-MEDIA

被引:23
作者
NAN, CW [1 ]
机构
[1] ACAD SINICA,INT CTR MAT PHYS,SHENYANG 110015,PEOPLES R CHINA
来源
PHYSICAL REVIEW B | 1994年 / 49卷 / 18期
关键词
D O I
10.1103/PhysRevB.49.12619
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A generally theoretical framework for predicting the coupled thermal-electrical-mechanical properties of inhomogeneous media is developed in terms of a Green's function method and perturbation theory. Taking a tranversely isotropic fiber-reinforced composite of the 4- or 6-mm symmetry class as a practical example, I discuss the general theoretical results, and give explicit expressions for the effective coupled thermal-electrical-mechanical properties. The pyroelectricity of BaTiO3-epoxy and CdS-epoxy composites is numerically analyzed. An enhanced pyroelectricity is predicted, and the numerical results show the interesting behavior of these materials.
引用
收藏
页码:12619 / 12624
页数:6
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