Patent ID: 8808468
Filing Date: 2014-08-19
Classification: B22F,C22C,F25B,H01F,Y02B,Y10T

Abstract:
1. An Fe—Si—La alloy comprising: wherein Mm represents a mixture of lanthanum, cerium, neodymium and praseodynium in the weight proportion of 22 to 26% La, 48 to 53% Ce, 17 to 20% Nd, and 5 to 7% Pr, said mixture comprising up to 1% by weight of impurities; TR represents at least one rare earth family element other than lanthanum; M represents at least one type d transition element of the 3d, 4d, or 5d layers; X represents a metalloid element selected from the group consisting of Ge, Al, B, Ga, and In; R represents at least one element selected from the group consisting of Ca, Mg, K, and Na; and I represents one or two elements selected from the group consisting of O and S; subscripts b, d, e, x and y are such that: