Method of sintering powder

Details Method of sintering powder Method of sintering powder

1988-03-01

1990-05-29

Lechert, Jr., Stephen J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Heat and pressure simultaneously to effect sintering

75244, 75246, 75249, 419 10, 419 12, 264125, B22F 100

Patent

active

049294156

ABSTRACT:
A method for sintering and forming powder is disclosed. In this method a high voltage of 3 KV or more is applied to a mold filled with powder using an electrode which maintains a high current of 50 KA cm.sup.-2 or greater for a period of time from 10 to 500 microseconds. A device for practicing this method is also disclosed.

REFERENCES:
patent: 3598566 (1971-08-01), Inoue
patent: 3738828 (1973-06-01), Inoue
patent: 3932760 (1976-01-01), Inoue
patent: 4005956 (1977-02-01), Inoue
patent: 4067096 (1078-01-01), Whalen
patent: 4456578 (1984-06-01), Ward
patent: 4549981 (1985-10-01), Gupta et al.
patent: 4584445 (1986-04-01), Kashiwagi et al.
patent: 4686338 (1987-08-01), Kashiwagi et al.

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