Manufacture of composite materials

Details Manufacture of composite materials Manufacture of composite materials

1996-09-23

1999-08-24

Batten, Jr., J. Reed

Metal founding

Process

Shaping liquid metal against a forming surface

164 61, 164 97, 164105, 164120, 164129, B22D 1800, B22D 1914

Patent

active

059412976

ABSTRACT:
Metal matrix composite is made by assembling pre-forms of porous reinforcing material with an array of separator plates in a die in a pressure vessel, and infiltrating molten metal matrix material. Pre-evacuation followed by pressurisation when the molten metal matrix material is introduced into the die aids the infiltration. Re-introduction of gas during initial heating prior to melting speeds the heat-up process.

REFERENCES:
patent: 3940136 (1976-02-01), Cannell et al.
patent: 5165463 (1992-11-01), Aghajanian et al.
patent: 5322109 (1994-06-01), Cornie

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