Machinable brass compositions

Details Machinable brass compositions Machinable brass compositions

1995-05-19

1996-09-17

Kastler, Scott

Specialized metallurgical processes, compositions for use therei

Compositions

Loose particulate mixture containing metal particles

75243, 75252, 420476, 420477, C22C 904

Patent

active

055564461

ABSTRACT:
Brass powder metallurgy compositions for use in manufacturing a brass part by powder metallurgy techniques. The compositions comprise from about 70-90% wt. copper, 10-30% wt. zinc, and from about 0.1-1.5% wt. graphite as an addition to improve the machinability of the resultant compacted brass part. The compositions preferably contain less than 2% wt. lead.

REFERENCES:
patent: 2887765 (1959-05-01), Thomson et al.
patent: 3361666 (1968-01-01), Webb et al.
patent: 3453103 (1969-01-01), Tracey et al.
patent: 3717445 (1973-02-01), Yoshimura et al.
patent: 4000981 (1977-01-01), Sugafuji et al.
patent: 4747873 (1988-05-01), Kamioka
patent: 5441555 (1995-08-01), Matthews et al.
patent: 5445665 (1995-08-01), Matthews et al.

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