Impregnated ceramic core and method of making same

Details Impregnated ceramic core and method of making same Impregnated ceramic core and method of making same

1992-01-16

1995-10-24

McFarlane, Anthony

Coating processes

With post-treatment of coating or coating material

Heating or drying

427384, 4274301, 427223, 427314, 501 80, B05D 302, B05D 118, B05D 308

Patent

active

054608546

ABSTRACT:
A method of strengthening a fired porous ceramic core for use in investment casting includes the steps of providing a fired porous ceramic core, impregnating the core with an aqueous solution of a water-soluble gum, resin, or sugar, such as polyvinyl alcohol, and drying the impregnated core to remove the water.

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