Sintering process for AIN powder coated with Al film

Details Sintering process for AIN powder coated with Al film Sintering process for AIN powder coated with Al film

1995-08-31

1998-11-24

Miller, Edward A.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Metal and nonmetal in final product

419 35, 419 38, 419 54, 419 57, B22F 312

Patent

active

058421076

ABSTRACT:
This patent application discloses a new process for preparing the sintered article of aluminum nitride at low temperature. It comprises coating aluminum metal film on aluminum nitride powder, then directly molding or homogeneously cold pressing, followed by sintering at 1650.about.175O.degree. C., and finally forming dense aluminum nitride article.

REFERENCES:
patent: 4770701 (1988-09-01), Henderson et al.
patent: 4793967 (1988-12-01), Pryor et al.
patent: 5070591 (1991-12-01), Quick et al.
patent: 5173107 (1992-12-01), Dreyer et al.
patent: 5352522 (1994-10-01), Kugimiya et al.
patent: 5436080 (1995-07-01), Inoue et al.
Lenel, Fritz V., "Power Metallurgy, Principles and Applications", Metal Powder Industries Federation, 1980, pp. 143-154.

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