Thermal-demagnetization Analysis and Research on Physical Properties of Nd-Fe-B Sintered Magnets

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Dai Higuchi, Shin-Etsu Chemical Co., Ltd.

Abstract

Sintered Nd-Fe-B magnets are applied for many mechatronics fields but their physical properties are not sufficiently investigated. As a result, they are poorly-modeled in the simulation study.
We will therefore introduce the research results, including thermal demagnetization, electric conductivity, and thermal expansion. Concerning thermal demagnetization, we will compare the measurement results with the JMAG analysis results.

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