Reflector with metallic matrix composite support and method of m

Details Reflector with metallic matrix composite support and method of m Reflector with metallic matrix composite support and method of m

1994-05-09

1996-05-21

Walsh, Donald P.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Heat and pressure simultaneously to effect sintering

419 5, 419 8, 419 24, 419 35, 419 51, B22F 702

Patent

active

055183832

ABSTRACT:
To manufacture a reflector formed by a reflective metallic layer on a metallic matrix composite support, a metallic layer having a reflective surface whose shape is at least approximately identical to the required geometrical shape is disposed on a mold surface having a geometrical shape complementary to the required geometrical shape of the reflector. Fibers to constitute the composite support are draped on the metallic layer. They are metallized by the metallic or intermetallic material to form the metallic matrix. This layer and the metallized fibers are subjected to temperature and pressure conditions adapted to press the reflective surface strongly against the mold surface and to cause diffusion welding of the layer with the metallized fibers and of the metallized fibers with themselves so as to integrate the layer to the composite support during consolidation of the latter.

REFERENCES:
patent: 4188358 (1980-02-01), Withoos et al.
patent: 4350528 (1982-09-01), Engle
patent: 4492669 (1985-01-01), Gould
patent: 4659548 (1987-04-01), Gubbay et al.
patent: 4750827 (1988-06-01), Assus et al.
patent: 4898711 (1990-02-01), Burt et al.
Proceedings of the Spie, vol. 1303, 1990, pp. 554-561.

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