Superalloy foils by hot isostatic pressing

Details Superalloy foils by hot isostatic pressing Superalloy foils by hot isostatic pressing

1994-02-14

1995-06-27

Walsh, Donald P.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Liquid phase sintering

419 49, B22F 314

Patent

active

054277353

ABSTRACT:
Dense superalloy foils are prepared by hot isostatically pressing a mixture of low melting alloy powders and high melting alloy powders at a temperature at least equal to or greater than three-quarters of the melting point of the low melting point alloy powder and below the melting point of the high melting point alloy powder, at a pressure of at least 10 thousand pounds per square inch for about one to five hours.

REFERENCES:
patent: 4917858 (1990-04-01), Eylon et al.
patent: 4971757 (1990-11-01), Day et al.
Article--Processing and Properties of Gamma Titanium Aluminide Sheet Produced from PREP Powder, M. A. Ohls et al, --Nuclear Metals, Inc. (1991)-pp. 289-296.
German, Randall M., "Liquid Phase Sintering", Plenum Press, 1985, pp. 1-8, 157-164.
Klar, Erhard, "Powder Metallurgy", Am. Soc. for Metals, 1983, pp. 248-279.

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