Method for producing metal-ceramic composite materials

Details Method for producing metal-ceramic composite materials Method for producing metal-ceramic composite materials

1995-07-26

1998-07-28

King, Roy V.

Coating processes

Immersion or partial immersion

Inorganic base

427431, 4272481, B05D 118

Patent

active

057860351

ABSTRACT:
Disclosed is a method for producing metal-ceramic composite materials, comprising setting a porous shaped material of an oxide-type ceramic and magnesium in a furnace; establishing a rare gas atmosphere, subliming the magnesium under heat, and dispersing the resulting magnesium vapor into the porous shaped material all within the furnace; introducing nitrogen gas into the furnace, causing the gas to react with the sublimed magnesium to form magnesium nitride (Mg.sub.3 N.sub.2), bringing the magnesium nitride into contact with the oxide in the surface of the porous shaped material thereby reducing the oxide and exposing metal atoms at the material surface, and thereafter infiltrating a molten metal into the porous shaped material.

REFERENCES:
patent: 5150747 (1992-09-01), Burke
Bunshah et al, "Deposition Technologies for Films and Coatings, Developments and Applications", Noyes Publications (1992) p. 96.

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