Sintering metal powder and a process for making a sintered metal

Details Sintering metal powder and a process for making a sintered metal Sintering metal powder and a process for making a sintered metal

1990-01-22

1990-08-14

Lechert, Jr., Stephen J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Powder shape or size characteristics

75252, 75228, 419 36, 419 37, 419 38, 419 39, 419 57, 419 53, 419 54, B22F 100

Patent

active

049484265

ABSTRACT:
A sintering metal powder consisting of metal particles having a particle diameter distribution including a plurality of peaks. The larger of the two particle diameters at every adjoining two, respectively, of the peaks has a ratio of between 5 and 10 to the smaller. The height of one of every adjoining two of the peaks has a ratio of between 1 and 5 to that of the other that is not higher than the one peak. The particle diameter at one of every adjoining two of the peaks which is not higher than the other is smaller than that at the other peak. The particle diameter at the highest peak is between 30 and 80 microns. A process for making a sintered product from such a powder is also disclosed.

REFERENCES:
patent: 4483905 (1984-11-01), Engstrom
patent: 4602953 (1986-07-01), Wiech, Jr.
patent: 4716019 (1987-12-01), Houck et al.

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