Origins of the magnetomechanical effect

A hypothesis is presented to explain the mechanism by which externally applied stresses can affect the magnetic properties of ferromagnetic materials. Experiments have revealed coincident points in the second and fourth quadrants on stressed hysteresis loops of mild steel. The results are presented...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 2002-10, Vol.251 (2), p.229-243
Main Authors: Bulte, D.P, Langman, R.A
Format: Article
Language:English
Subjects:
Anisotropy
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Domain walls
Exact sciences and technology
Exchange energy
Hysteresis
Magnetic properties and materials
Magnetomechanical and magnetoelectric effects, magnetostriction
Magnetomechanical effect
Physics
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Summary:A hypothesis is presented to explain the mechanism by which externally applied stresses can affect the magnetic properties of ferromagnetic materials. Experiments have revealed coincident points in the second and fourth quadrants on stressed hysteresis loops of mild steel. The results are presented along with an explanation of this effect. An atomic level theory of the origins of the magnetomechanical effect is introduced whereby spin–spin and spin–orbit coupling interact with magnetic moments to alter the magnetocrystalline anisotropy and exchange energies.
ISSN:0304-8853
DOI:10.1016/S0304-8853(02)00588-7