Magnet material, a permanent magnet, and a generator and motor using the same

文件类型：PDF文档
文件大小：160K
In an embodiment, a magnet material includes a composition represented by Rx(Nb1-pZrp)yBZ(T1-qMq)100-x-y-z, where R is an element selected from rare earth elements and 50 at. % or more of R is Sm, T is Fe alone or a mixture of Fe and Co containing 50 at. % or more of Fe, M is at least one element selected from Ni, Cu, V, Cr, Mn, Al, Si, Ga, Ta and W, p is 0≰p≰0.5, q is 0≰q≰0.2, x is 4≰x≰15 at. %, y is 1≰y≰4 at. %, z is 0.001≰z<4 at. %, and a structure having a TbCu7 crystal phase as a main phase.