Method of casting an alloy having the appearance of gold

Metal working – Method of mechanical manufacture – Combined manufacture including applying or shaping of fluent...

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164 34, B22C 904

Patent

active

039583228

ABSTRACT:
Method of casting an alloy comprising copper, aluminum and indium utilizing lost wax process. After the wax process. After the wax is melted from an investment mold the mold temperature is normalized at 250.degree.F by placement in an autoclave. Thereafter the alloy is centrifugally cast at 2,000.degree.F while the mold is at 250.degree.F.

REFERENCES:
patent: 3769006 (1973-10-01), Ingersoll

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