Patent ID: 7517415
Filing Date: 2009-04-14
Classification: C22C

Abstract:
1. An iron-based amorphous alloy represented by the formula: wherein Q is an element selected from the group consisting of Sc, Y, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu; n is a number selected from 0 to about 29; m is a number selected from 0 to about 16, wherein p is a number selected from about 0 to about 16; q is at least about 4; s is at least about 13; g is a number greater than 0 but less than or equal to about 3; z is a number selected from about 5 to about 12; and t is the sum of n, m, p, q, s, g and z, with the proviso that the sum of p and g is less than 16, and t is not greater than 55.