Modified brass alloys with improved stress relaxation resistance

Details Modified brass alloys with improved stress relaxation resistance Modified brass alloys with improved stress relaxation resistance

1978-06-28

1980-06-03

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

751575, C22C 904

Patent

active

042059844

ABSTRACT:
An alloy system which exhibits improved resistance to stress relaxation at elevated temperatures utilizes additions of silicon or tin or mixtures of silicon and tin to a copper-zinc base to attain the stress relaxation performance. The composition and processing of this alloy system maintains at least 90% by weight alpha-phase within the alloy.

REFERENCES:
patent: Re19915 (1936-04-01), Freeman, Jr.
patent: 1040027 (1912-10-01), Schmid
patent: 1764571 (1930-06-01), Lytle
patent: 2007008 (1935-07-01), Staples
patent: 2075004 (1937-03-01), Bassett
patent: 2133847 (1938-10-01), Crampton et al.
patent: 2394673 (1946-02-01), Edmunds
patent: 3190751 (1965-06-01), Blazek
patent: 4014716 (1977-03-01), Cabo et al.

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