Composition, processing and devices including magnetic alloy

Details Composition, processing and devices including magnetic alloy Composition, processing and devices including magnetic alloy

1976-07-16

1978-02-21

Satterfield, Walter R.

Metal treatment

Stock

Ferrous

75126H, 148108, 148120, 148 3157, 179120, 335302, H04R 1302, C22C 3818, C21D 104

Patent

active

040754375

ABSTRACT:
Alloy compositions based on ternary alloys of the chromium-cobalt-iron system modified by addition of zirconium molybdenum, niobium, vanadium, titanium, and/or aluminum, are found to manifest improved formability. Exemplary compositions are magnetic and evidence coercivities of 350-550 Oe., remanent magnetizations of from 10,000 - 7,500 Gauss, and maximum energy products in excess of one million. Improvement in formability may take the form of room temperature stamping, sometimes in air, to final configurations including curvatures of radius equal to thickness. Novel compositions particularly desirable from such standpoint necessarily contain zirconium together with aluminum, niobium, and/or titanium.

REFERENCES:
patent: 1715648 (1929-06-01), Elmen
patent: 2506624 (1950-05-01), Wirsching
patent: 3600162 (1971-08-01), Kaplan et al.
patent: 3868278 (1975-02-01), Foster et al.
patent: 3891475 (1975-06-01), Tomita et al.
patent: 3954519 (1976-05-01), Inoue

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