| 简介 |
PURPOSE : To provide magnetic powder high in coercive force and excellent in magnetic anisotropy easily and stably by performing plastic processing besides hydrogen occlusion processing and dehydrogen processing, or repeating hydrogen occlusion processing and dehydrogen processing several times. CONSTITUTION : This is R-T-B anisotropic magnetic powder which has R2T14B(R : rare earth metal including Y, T : transition metal) 0.02-5mum in average crystal grain diameter for its main phase, and in which the quantity of magnetization in the direction of an axis where the magnetization is easy is 130emu/g or over, and the quantity of magnetization in the direction of an axis where the magnetization is hard is 60emu/g or under. |
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