Three-dimensional modeling of functionally graded multiferroic composites

Ruifeng Wang, Ernian Pan*

*此作品的通信作者

研究成果: Article同行評審

24 引文 斯高帕斯(Scopus)

摘要

A three-dimensional (3D) finite-element-method (FEM) formulation is developed to investigate the response of functionally graded material (FGM) multiferroic composites under different types of loads. Numerical examples are carried out for the three-layered piezoelectric (PE)/piezomagnetic (PM) composite with its top and bottom layers being FGMs and the middle layer homogenous PE material. For the FGM layer, two cases of material grading along the thickness direction of the composite are considered: one is the PM material with the properties varying as an exponential function (E-FGM) and the other is the PE/PM composite material with the volume ratios varying as a power-law function (P-FGM). The effect of different material grading functions on the mechanical, electric and magnetic responses is clearly showed by both E-FGM and P-FGM grading cases, which could be useful to the future design of FGM multiferroic devices.

原文English
頁(從 - 到)68-76
頁數9
期刊Mechanics of Advanced Materials and Structures
18
發行號1
DOIs
出版狀態Published - 1月 2011

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