Process for making clad articles and article made thereby

Details Process for making clad articles and article made thereby Process for making clad articles and article made thereby

1990-07-20

1991-05-21

Lechert, Jr., Stephen J.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having metal particles

419 8, 419 49, B22F 704

Patent

active

050174371

ABSTRACT:
A process for making a clad article of a densified metal powder core and a compatible metal cladding metallurgically bonded thereto results in a significantly reduced concentration of metal oxides in the core so as to prevent embrittlement of the core at and adjacent the core/cladding interface that results in rupture between the core and the cladding along the interface during working or forming. In carrying out the process, the temperature of the undensified metal powder and/or the temperature of the compatible metal container into which the metal powder is filled are closely controlled so as to avoid adsorption of moisture during the filling step.

REFERENCES:
patent: 4259413 (1981-03-01), Taglang et al.
patent: 4478787 (1984-10-01), Nadkarni et al.
patent: 4891080 (1990-01-01), Del Corso et al.
patent: 4895609 (1990-01-01), Baldi

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