Iron-based amorphous alloys containing cobalt

Details Iron-based amorphous alloys containing cobalt Iron-based amorphous alloys containing cobalt

1987-10-15

1989-05-30

Yee, Deborah

Metal treatment

Stock

Magnetic

420121, C22C 3810, C22C 3802

Patent

active

048348155

ABSTRACT:
Metallic alloys are disclosed which are at least about 90% amorphous, having enhanced magnetic properties and consist essentially of a composition represented by the formula Fe.sub.a-b Co.sub.b B.sub.c Si.sub.d C.sub.e, wherein "a", "b", "c", "d" and "e" are atomic percentages ranging from about 75 to about 85, about 0.1 to about 0.8, about 12 to about 15, about 2 to about 5 and about 1 to about 3, respectively. Magnetic cores comprising such alloys, including cores having been subjected to a field anneal, are also disclosed.

REFERENCES:
patent: 4226619 (1980-10-01), Hatta et al.

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