Foundry molds containing glassy metal alloy filaments

Details Foundry molds containing glassy metal alloy filaments Foundry molds containing glassy metal alloy filaments

1979-10-01

1981-05-05

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Molds and mold coating compositions

106 383, 106 384, 106 387, 106 388, 164349, 164369, B28B 728

Patent

active

042656656

ABSTRACT:
Foundry sand molds and cores are provided which incorporate glassy metal reinforcing filaments. Molds prepared from the sand composition of this invention provide greater strength before and during metal casting. As the casting solidifies, the temperature of the reinforcing filaments rises, the filaments devitrify and become weak and the mold can be crumbled for easy removal of the casting.

REFERENCES:
patent: 1758488 (1930-05-01), Weil
patent: 3259947 (1966-07-01), Knight
patent: 3856513 (1974-12-01), Chen et al.
patent: 3862658 (1975-01-01), Bedell
patent: 3920605 (1975-11-01), Sato et al.
patent: 3960200 (1976-06-01), Kavesh
patent: 4067732 (1978-01-01), Ray
patent: 4142571 (1979-03-01), Narasimhan
J. J. Gilman, "Metalic Glasses", Physics Today, 28 46 (1975).

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