High saturated magnetic flux density alloy

Details High saturated magnetic flux density alloy High saturated magnetic flux density alloy

1988-10-03

1990-01-02

Sheehan, John P.

Metal treatment

Stock

Magnetic

148311, 420103, 420104, 420117, H01F 104

Patent

active

048910791

ABSTRACT:
According to the invention, a highly corrosion-resistant alloy that has a high saturated magnetic flux density and can be suitably used as a material for manufacturing magnetic heads is provided.
An alloy according to the invention is based on alloy of Fe-Co-Si-Al type to which Cr and Ru if desired are added in order to improve its saturated magnetic flux density and other magnetic characteristics as well as corrosion resistance without degrading its hardness and coercive force.
An alloy according to the invention typically contains 1.0 to 3% by weight of Cr as an additive and, if desired, 0.5 to 5% by weight of Ru.

REFERENCES:
patent: 3600162 (1971-08-01), Kaplan et al.
patent: 4246049 (1981-01-01), Bronner et al.
patent: 4748000 (1988-05-01), Hayashi et al.

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