Nonmagnetic nickel tungsten cemented carbide compositions and ar

Details Nonmagnetic nickel tungsten cemented carbide compositions and ar Nonmagnetic nickel tungsten cemented carbide compositions and ar

1992-12-21

1993-12-28

Walsh, Donald P.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75228, 75236, 75240, 75243, 428546, C22C 2902

Patent

active

052735710

ABSTRACT:
A nonmagnetic, NiWC cemented carbide composition and articles made from the same. The addition of chromium renders the composition nonmagnetic independent of the free carbon level in the composition. The composition is useful as wear resistant parts in electronic instruments and as punches to deep draw aluminum beverage cans.

REFERENCES:
patent: 3771975 (1973-11-01), Frehr
patent: 3918138 (1975-11-01), Nemeth et al.
patent: 4265662 (1981-05-01), Miyake
patent: 4497660 (1985-02-01), Lindholm
patent: 4963183 (1990-10-01), Hong
Ekmar et al "Nickel as a Binder in WC Based Cemented Carbide" Journal of Refractory and Hard Metals, Mar. 1983.

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