Core molding composition

Details Core molding composition Core molding composition

1989-08-30

1991-02-05

Chaudhuri, Olik

Metal founding

Means to shape metallic material

United particle type shaping surface

164 6, 164469, 501 95, 106 389, B22C 1902

Patent

active

049896644

ABSTRACT:
A ceramic core molding composition, which includes alumina fibers, zircon, and fumed silica in an amorphous silica base, reduces shrinkage and shrinkage stresses during the core production process. Cores produced utilizing the disclosed composition and method exhibit an improved resistancce to macrocracking over conventionally produced cores.

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