Fabrication of metal-ceramic composites

Details Fabrication of metal-ceramic composites Fabrication of metal-ceramic composites

1974-02-15

1976-02-17

Douglas, Winston A.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 57, 106 62, 106 63, 106 734, C04B 3502

Patent

active

039390039

ABSTRACT:
The unidirectional solidification of a metal-ceramic composite in a system omprising the positioning of a seed crystal in a crucible, adding a portion of premelted ceramic material, a metallic material, and the remainder of the premelted ceramic. The temperature of the ceramic material is raised to about 50.degree.C above its melting point and then slowly decreased with a corresponding increase in the flow of an inert coolant gas through the system thereby unidirectionally solidifying the material to produce a single crystal having the orientation of the seed.

REFERENCES:
patent: 3241995 (1966-03-01), Pulfrich
patent: 3369877 (1968-02-01), Humenik et al.
patent: 3527574 (1970-09-01), La Belle
patent: 3595803 (1971-07-01), Dugger
patent: 3608050 (1971-09-01), Carman
patent: 3653432 (1972-04-01), Schmid et al
patent: 3796673 (1974-03-01), Clark et al.

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