ねじりを受けた棒の磁気ひずみ効果

概要

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The magnetostriction effect of a twisted rod, which is known as Wertheim effect or inverse Wiedemann effect, is utilized for the measurement of torque, force and pressure in many industries and researches. In order to help our understanding of the behavior of the measuring instrument, the theoretical study, which is based on the domain theory, is done. Two equations for materials having positive and negative magnetostriction, which indicate the relation between magnetic fluxes induced by applying stresses and various fundamental constants of the materials, are developed. Stress sensitivities obtained from the equations for several materials agree relatively good with experimental results.
独立行政法人海上技術安全研究所の論文
1976-11-30