High permeability, long wearing magnetic head alloy

Details High permeability, long wearing magnetic head alloy High permeability, long wearing magnetic head alloy

1976-07-07

1977-12-06

Satterfield, Walter R.

Metal treatment

Compositions

Heat treating

75171, 148120, 148121, C04B 3500, C22C 1905

Patent

active

040615090

ABSTRACT:
A magnetic alloy having superior effective permeability and good wear resistance characteristics for a magnetic head member consisting essentially of from 79 to 85 weight percent nickel, from 2 to 6 weight percent chromium, from 1 to 10 weight percent germanium, from and including 0 to 4 weight percent manganese, and from 9 to 17 weight percent iron.

REFERENCES:
patent: 1910309 (1933-05-01), Smith et al.
patent: 3264100 (1966-08-01), Ichinose et al.
patent: 3348983 (1967-10-01), Odani et al.
patent: 3582408 (1971-06-01), Onyshkevych
patent: 3794530 (1974-02-01), Masumoto et al.
patent: 3837844 (1974-09-01), Makita et al.
patent: 3837933 (1974-09-01), Masumoto et al.
patent: 3844849 (1974-10-01), Kuroda
patent: 3979233 (1976-09-01), Kuroda
Bozorth, R; Ferromagnetism, New York, 1951, pp. 148-152.

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