Semi-hard magnetic materials

Details Semi-hard magnetic materials Semi-hard magnetic materials

1974-10-04

1976-08-10

Satterfield, Walter R

Metal treatment

Compositions

Heat treating

75123K, 75170, 148120, 148121, C04B 3500

Patent

active

039740005

ABSTRACT:
A semi-hard magnetic alloy is disclosed consisting essentially of 15 to 30% of Ni, 35 to 52% of Fe, 1 to 5% of Nb and the balance cobalt. This alloy possesses a coercive force (Hc) of 10 to 50 Oe, a magnetic flux density (B.sub.100) of 10 to 17.5 KG., a squareness ratio (Br/B.sub.100) of not less than 0.70 and a fullness ratio of not less than approximately 0.70. The alloy material is also characterized by a good plastic workability.

REFERENCES:
patent: 1792483 (1931-02-01), Elmen
patent: 3390443 (1968-07-01), Gould et al.
patent: 3615910 (1971-10-01), Tomita et al.
patent: 3647424 (1972-03-01), Majesko
patent: 3686042 (1972-08-01), Henmi et al.
patent: 3698055 (1972-10-01), Holtz et al.
patent: 3743550 (1973-07-01), Masumoto et al.

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