| 简介 |
PROBLEM TO BE SOLVED : To provide a hard magnetic composition by which a ThMn12 phase can be easily produced even if an Nd is used as a rare earth element, in concrete, to provide a hard magnetic composition formed of a single phase constitution of ThMn12 phase even if the Nd is 100%.
SOLUTION : The hard magnetic composition is represented by a general formula, R1(TixFe100-x-yCoy)zSiuAvHw (where, R is one kind or two or more kinds of rare earth elements containing Y and it is made 50% or more of Nd, and A is made of either or both of N and C). The mole ratio of the general formula is x=4-12; y=0-30; z=11-12.6; u=0.1-2.3; v=0.1-3 and w=0.1-1. |
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