TITLE

Magnetoelasticity of chain-structured ferromagnetic composites

AUTHOR(S)
Yin, H. M.; Sun, L. Z.
PUB. DATE
June 2005
SOURCE
Applied Physics Letters;6/27/2005, Vol. 86 Issue 26, p261901
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
A micromechanics-based model with particle interaction has been developed to study the effective elastic properties of chain-structured ferromagnetic composites subject to both magnetic and mechanical loading. Magnetomechanical coupled behavior is numerically simulated and magnetic-field-dependent elasticity is calculated using the Green’s function technique in a manner such that microstructure evolution is considered. Due to the magnetic angular momentum, the effective shear modulus of the composites increases much faster than the effective Young’s modulus as the magnetic field increases. Two mechanisms resulting in magnetic-field-dependent elasticity are demonstrated.
ACCESSION #
17545101

 

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