Magnetoelectric laminate composites with prestress consideration

Tao Wu; Michael Emmons; Alexandre Bur; Jian Sorge; Gregory P. Carman

doi:10.1117/12.847794

30 March 2010 Magnetoelectric laminate composites with prestress consideration

Tao Wu, Michael Emmons, Alexandre Bur, Jian Sorge, Gregory P. Carman

Proceedings Volume 7644, Behavior and Mechanics of Multifunctional Materials and Composites 2010; 764415 (2010) https://doi.org/10.1117/12.847794
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2010, San Diego, California, United States

Abstract

The converse magnetoelectric effect of an asymmetric Piezo-fiber/Metglas bilayer laminate composite subjected to mechanical prestress is presented. The mechanical prestress is applied by either dc electric voltage bias or direct mechanical load bias. It is found that a mechanical prestress strongly influences the converse magnetoelectric coupling response. The optimum dc magnetic field bias shifts with different prestress and compressive stress requires higher dc magnetic field bias. Additionally, an optimum prestress exists to maximize the converse magnetoelectric response under certain dc magnetic field bias ranges. Therefore, in order to integrate magnetoelectric composite into actual structures, a proper prestress needs to be employed to maximize the CME coefficient.

Citation Download Citation

Tao Wu, Michael Emmons, Alexandre Bur, Jian Sorge, and Gregory P. Carman "Magnetoelectric laminate composites with prestress consideration", Proc. SPIE 7644, Behavior and Mechanics of Multifunctional Materials and Composites 2010, 764415 (30 March 2010); https://doi.org/10.1117/12.847794

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