Ceramic porous bodies suitable for use with superalloys

Details Ceramic porous bodies suitable for use with superalloys Ceramic porous bodies suitable for use with superalloys

1986-06-13

1988-12-06

Jordan, M.

Metallurgical apparatus

Means for melting or vaporizing metal or treating liquefied...

With means to discharge molten material

75 68R, 266229, 164134, 164437, 164337, C22B 902

Patent

active

047891408

ABSTRACT:
Ceramic porous bodies, including ceramic foam filters and smooth-faced ceramic objects, e.g., ceramic foam bricks, ceramic foam melting crucibles, and ceramic foam cores, made in accordance with the present invention are suitable for use with molten metal in general and molten superalloys in particular. The invention also provides a tundish for use with ceramic foam filters to filter metal en route from a metal furnace to a casting mold, and a melting device for use in casting metal which employs a ceramic foam filter as a bottom pour valve for a melting crucible such that the ceramic foam filter valve regulates the flow of molten metal therethrough in order to permit an entire ingot of metal to melt in the melting crucible before any metal begins to pour from the melting device into a casting mold.

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