Predicting relationship between magnetostriction and applied field of magnetostrictive composites

Xinchun Guan; Xufeng Dong; Jinping Ou

doi:10.1117/12.776346

2 April 2008 Predicting relationship between magnetostriction and applied field of magnetostrictive composites

Xinchun Guan, Xufeng Dong, Jinping Ou

Proceedings Volume 6929, Behavior and Mechanics of Multifunctional and Composite Materials 2008; 692924 (2008) https://doi.org/10.1117/12.776346
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2008, San Diego, California, United States

Abstract

Consideration of demagnetization effect, the model used to calculate the magnetostriction of single particle under the applied field is firstly built up. Then treating the magnetostriction particulate as an eigenstrain, based on Eshelby equivalent inclusion and Mori-Tanaka method, the approach to calculate average magnetostriction of the composites under any applied field as well as saturation is studied. Results calculated by the approach indicate that saturation magnetostriction of magnetostrictive composites increases with increasing of particle aspect, particle volume fraction and decreasing of Young' modulus of matrix, and the influence of applied field on magnetostriction of the composites becomes more significant with larger particle volume fraction or particle aspect.

Citation Download Citation

Xinchun Guan, Xufeng Dong, and Jinping Ou "Predicting relationship between magnetostriction and applied field of magnetostrictive composites", Proc. SPIE 6929, Behavior and Mechanics of Multifunctional and Composite Materials 2008, 692924 (2 April 2008); https://doi.org/10.1117/12.776346

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