The effective properties of three-dimensional giant magnetostrictive composites
The effective properties of three-dimensional giant magnetostrictive composites
复制标题
三维超磁致伸缩复合材料的有效性能
DOI：
10.1063/1.3666025
复制
发表时间：
2011-12
影响因子：
3.2
通讯作者：
Zhang, JJ
中科院分区：
文献类型：
--
作者：
Gao, YW（高原文）;Zhang, JJ
In this work, we have proposed a general 3D analytical model for giant magnetostrictive composites based on the Mori-Tanaka theory. Taking into consideration both the interface effect and thermal residual stress (TRS) in the curing process, we have studied the relationship between the effective magnetostriction of giant magnetostrictive composites and different magnetic fields, and investigated the influence of TRS, inclusion shape, and direction of the magnetic field on the effective magnetostriction. The results show that TRS has significant influence on the effective magnetostrictive normal strains but little effect on the effective magnetostrictive shear strains. Both the magnetic field direction and the inclusion shape significantly affect the effective magnetostriction. Moreover, the Wiedemann effect is expected to occur on the giant magnetostrictive composites according to our theoretical calculations.
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