Method and apparatus for preparing metal-ceramic composite body

Details Method and apparatus for preparing metal-ceramic composite body Method and apparatus for preparing metal-ceramic composite body

1994-07-12

1995-11-07

Utech, Benjamin

Coating processes

Interior of hollow article coating

Vacuum or pressure utilized

427294, 427431, 427432, 427445, B05D 722

Patent

active

054646553

ABSTRACT:
A metal-ceramic composite body is prepared by impregnating a porous ceramic preform with a molten metal. A preform (3, 15), a crucible (7) containing molten metal (6), and a channeling bundle (8) of filaments are set such that one end of the bundle (8) is disposed above the molten metal (6) in the crucible (7) and the other end of the bundle (8) is disposed in contact with the preform (3, 15). The crucible (7) is moved up until the bundle one end is immersed in the molten metal (6) whereby the molten metal (6) is channeled to the preform (3, 15) through the filaments of the bundle (8) for impregnating the preform (3, 15) with the molten metal. The crucible (7) is moved down until the bundle one end is withdrawn from the molten metal (6) whereby supply of the molten metal to the preform (3, 15) is interrupted.

REFERENCES:
patent: 2671455 (1954-03-01), Grubel et al.
patent: 3536524 (1970-10-01), Sisson
patent: 3824113 (1974-07-01), Loxley et al.
patent: 4777014 (1988-10-01), Newkirk et al.
patent: 5298283 (1994-03-01), Rocazello et al.

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