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Semi-hard magnetic material, bias material for magnetic marker, magnetic marker and production method of bias material for magnetic marker
Semi-hard magnetic material, bias material for magnetic marker, magnetic marker and production method of bias material for magnetic marker
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机译:半硬磁性材料,磁性标识器的偏置材料,磁性标识器以及磁性标识器的偏置材料的制造方法
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摘要
An object of the present invention is to solve the problem in hot workability caused by Cu aggregation and provide semi-hard magnetic materials having good magnetic properties, bias materials for magnetic markers, magnetic markers and production methods of bias materials for magnetic markers. The present invention provides a semi-hard magnetic material including 2.0%≦Cu≦10.0% and 0.1%≦Nb≦5.0% by mass %, the balance being Fe and inevitable impurities, and having a microstructure in which Cu phase and an intermetallic compound of Fe and Nb are dispersed. The semi-hard magnetic material of the present invention is suitable as bias materials for magnetic markers. Furthermore, the bias materials for magnetic markers can be formed by disposing bias materials for magnetic markers mentioned above so that a bias magnetic field may be applied to a magnetostrictive element for a magnetic marker.
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