Open Access

ARTICLE

A New Constitutive Model for Ferromagnetic Shape Memory Alloy Particulate Composites

H.T. Li^1,2,3, Z.Y. Guo^1,2, J. Wen^1,2, H.G. Xiang^1,2, Y.X. Zhang^1,2

1 College of Aerospace Engineering, Chongqing University, Chongqing, 400044, China
2 Chongqing Key Laboratory of Heterogeneous Material Mechanics, Chongqing University, Chongqing, 400044, China
3 Corresponding author E-mail: htli@cqu.edu.cn.

Computers, Materials & Continua 2015, 48(2), 91-102. https://doi.org/10.3970/cmc.2015.048.091

Abstract

Ferromagnetic shape memory alloy particulate composites, which combine the advantages of large magnetic field induced deformation in ferromagnetic shape memory alloys (FSMAs) with high ductility in matrix, can be used for sensor and actuator applications. In this paper, a new constitutive model was proposed to predict the magneto-mechanical behaviors of FSMA particulate composites based on the description for FSMAs, incorporating Eshelby’s equivalent inclusion theory. The influencing factors, such as volume fraction of particles and elastic modulus, were analyzed. The magnetic field induced strain and other mechanical properties under different magnetic field intensity were also investigated.

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