Foundry mold for cast-to-size zinc-base alloy

Details Foundry mold for cast-to-size zinc-base alloy Foundry mold for cast-to-size zinc-base alloy

1986-11-03

1987-10-27

Lin, Kuang Y.

Metal founding

Process

Shaping a forming surface

106 389, B22C 108

Patent

active

047023040

ABSTRACT:
A foundry mold for casting to size a material-forming die of a zinc-base alloy is formed by compacting and sintering a particulate mixture composed predominantly of alumina particles and containing raw kyanite particles. During sintering, the raw kyanite particles react to expand the mold by an amount sufficient to compensate for shrinkage of the solidified alloy during cool down.

REFERENCES:
patent: 4108672 (1978-08-01), Klug et al.

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