Patent ID: 9558871
Date: 2017-01-31
CPC Classifications: B22F,C22C,H01F

Claim:
1. An Fe-based amorphous alloy consisting of Fe, Cr, P, C, B, and Si, represented by a formula Fe 100-a-b-c-d-e Cr a P b C c B d Si c , where a, b, c, d, and e are in terms of at %, wherein a composition ratio a of Cr satisfies 0 at %≦a≦1.9 at %, a composition ratio b of P satisfies 4.7 at %≦b≦6.2 at %, a composition ratio c of C satisfies 5.2 at %≦c≦8.2 at %, a composition ratio d of B satisfies 6.2 at %≦d≦10.7 at %, a composition ratio e of Si satisfies 0 at %≦e≦1.0 at %, a composition ratio of Fe (100-a-b-c-d-e) is 77 at % or more, and the composition ratios b, c, d, and e satisfy the following relationships: wherein the Fe-based amorphous alloy exhibits a glass transition point (Tg) and have a saturation magnetic flux density equal to or higher than 1.5 T.