Mixed powder for powder metallurgy, sintered compact of powder m

Details Mixed powder for powder metallurgy, sintered compact of powder m Mixed powder for powder metallurgy, sintered compact of powder m

1999-11-09

2000-10-17

Mai, Ngoclan

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75255, 419 1, 419 57, B22F 300

Patent

active

061324876

ABSTRACT:
A mixed metallurgical powder is provided containing powdered copper used for the manufacture of sintered structural parts such as brushes. A sintered compact made of the mixed metallurgical powder and a method for the manufacture of the sintered compact are also provided. The powder and the sintered compact are provide with an extremely high corrosion resistance because, preferably, the mixed metallurgical powder contains powdered copper and 20-400 ppm by weight of Bi in the form of powdered Bi.

REFERENCES:
patent: 3969084 (1976-07-01), Watanabe et al.
patent: 5077005 (1991-12-01), Kato
patent: 5429876 (1995-07-01), Tanaka et al.
patent: 5441555 (1995-08-01), Matthews et al.
patent: 5637160 (1997-06-01), Brock et al.
patent: 5938864 (1999-08-01), Tomikawa et al.
English Abstract of the Japanese Laid Open No. 5-190240.
English Abstract of the Japanese Laid Open No. 59-64731.

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