A phenomenological theory of hysteresis damping of vibrations in ferromagnetic materials |
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| Authors: | Motogi Shinya |
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| Affiliation: | Osaka Municipal Technical Research Institute, Ohgimachi 2-1-1, Kitaku Osaka, Japan |
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| Abstract: | The hysteresis damping of vibrations in magnetostrictive polycrystalline ferromagnetic materials is investigated theoretically. The constitutive relation for applied moment and twisted angle in torsion is derived directly from the stress-strain constitutive relation. Precise damping characteristics of torsional vibrations of ferromagnetic wires are obtained in small amplitudes and in large amplitudes after the saturation of magnetostriction. |
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