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A Stress-Dependent Hysteresis Model for Ferromagnetic Transducer Materials

[+] Author Affiliations
Ralph C. Smith

North Carolina State University

Marcelo J. Dapino

Ohio State University

Paper No. IMECE2005-80394, pp. 175-182; 8 pages
  • ASME 2005 International Mechanical Engineering Congress and Exposition
  • Aerospace
  • Orlando, Florida, USA, November 5 – 11, 2005
  • Conference Sponsors: Aerospace Division
  • ISBN: 0-7918-4210-X | eISBN: 0-7918-3769-6
  • Copyright © 2005 by ASME


This paper focuses on the development of a model which characterizes the nonlinear and hysteretic stress-dependence inherent to magnetic transducer materials operating in high drive regimes. The model builds upon a previous ferromagnetic characterization framework based on energy analysis at the lattice level in combination with stochastic homogenization techniques. Aspects of the stress-dependent magnetomechanical model are illustrated through comparison with experimental steel data.

Copyright © 2005 by ASME
Topics: Stress , Transducers



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