Precipitates copper-zinc alloy with nickel silicide

Details Precipitates copper-zinc alloy with nickel silicide Precipitates copper-zinc alloy with nickel silicide

1988-10-20

1990-09-04

Dean, R.

Metal treatment

Stock

Age or precipitation hardened or strengthened

148434, 420479, 420480, C22F 108

Patent

active

049541870

ABSTRACT:
Utilization of a copper-zinc alloy for semifinished materials and semi-manufactured articles; especially synchronizing rings. The copper-zinc alloy is essentially constituted of 50 to 65% copper, 1 to 6% aluminum, 0.5 to 5% silicon, 5 to 8% nickel, as well as selectively 0 to 1% iron, 0 to 2% lead, 0 to 2% manganese, all in percent by weight, with zince as the remainder, as well as unavoidable impurities, whereby the nickel is overwhelmingly present in an intermetallic composition with silicon (nickel-silicide). The silicides are in round, uniformly distributed fine precipitate form.

REFERENCES:
patent: 1792944 (1931-02-01), Vaders
patent: 1907219 (1933-05-01), Sieg
patent: 2372202 (1945-03-01), Hensel et al.
patent: 3252793 (1966-05-01), Heese
patent: 3703367 (1972-11-01), Cocks
patent: 3713814 (1973-01-01), Larsson
patent: 4191564 (1980-03-01), Hirao et al.
patent: 4676848 (1987-06-01), Ruchel et al.

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