Fabrication of metal matrix composite mirror

Details Fabrication of metal matrix composite mirror Fabrication of metal matrix composite mirror

1986-02-13

1987-04-21

Lechert, Jr., Stephen J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Metal and nonmetal in final product

419 26, 419 27, 419 48, 419 49, 419 60, 427162, 350320, 350641, 350642, 75230, 428409, B22F 326

Patent

active

046595481

ABSTRACT:
Fabrication of a high precision mirror using a discontinuous metal matrix mposite is described. A metal matrix composite (MMC) is obtained by using one of the three methods described herein or any other method. The MMC material so obtained is machined to form a mirror substrate which is then coated and the coating so obtained is converted into the mirror surface. The mirror so obtained has better characteristics over the conventional high precision beryllium mirrors used for this purpose and is fabricated out of a nontoxic material which is cheaper and more easily available than the beryllium metal.

REFERENCES:
patent: 4364763 (1982-12-01), Rennerfelt
patent: 4386825 (1983-06-01), Stalcup
patent: 4443059 (1984-04-01), Wells
patent: 4451119 (1984-05-01), Meyers et al.

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