Copper alloy and process for obtaining same

Details Copper alloy and process for obtaining same Copper alloy and process for obtaining same

1998-06-24

2000-08-08

Sheehan, John

Metal treatment

Stock

Copper base

148433, 420472, 420473, 420476, C22C 904

Patent

active

060996633

ABSTRACT:
A copper base alloy consisting essentially of tin in an amount from about 0.1 to about 1.5% by weight, phosphorous in an amount from about 0.01 to about 0.35% by weight, iron in an amount from about 0.01 to about 0.8% by weight, zinc in an amount from about 1.0 to about 15% by weight, and the balance essentially copper, including phosphide particles uniformly distributed throughout the matrix, is described. The alloy is characterized by an excellent combination of physical properties. The process of forming the copper base alloy described herein includes casting, homogenizing, rolling, process annealing and stress relief annealing.

REFERENCES:
patent: 3923558 (1975-12-01), Shapiro et al.
patent: 4822562 (1989-04-01), Miyafuji et al.
patent: 4971758 (1990-11-01), Suzuki et al.
patent: 5002732 (1991-03-01), Yamazaki et al.
patent: 5508001 (1996-04-01), Suzuki et al.

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