Mold material and process for casting of pure titanium or titani

Metal founding – Process – Shaping a forming surface

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164529, 106 383, 106 389, B22C 100

Patent

active

047097418

ABSTRACT:
The present invention relates to a mold material for casting pure titanium or a titanium alloy which comprises one or more chief materials selected from among silica-alumina mixtures, mullite and spinel and a hardening agent comprising a phosphate and a basic metal oxide and a process for casting pure titanium or a titanium alloy by the use of said mold material. This mold material forms a refractory structure having a melting point higher than that of pure titanium or a titanium alloy therein to enable pure titanium which is unstable in a molten state to be cast stably.

REFERENCES:
patent: 3968828 (1976-07-01), Toeniskoetter et al.
patent: 4171984 (1979-10-01), Hosaka et al.
patent: 4209056 (1980-06-01), Gardikes et al.
patent: 4445565 (1984-05-01), Seeney et al.
patent: 4522651 (1985-06-01), Seeney et al.

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