Mold and process for casting high temperature alloys

Details Mold and process for casting high temperature alloys Mold and process for casting high temperature alloys

1975-05-02

1976-06-29

Husar, Francis S.

Metal founding

Process

Shaping liquid metal against a forming surface

164127, 164365, 249125, 249146, B22C 924, B22D 2506

Patent

active

039659631

ABSTRACT:
In the manufacture of hollow turbine blades or vanes especially those having a columnar crystalline growth in the alloy, the blade is cast in two opposed halves against a central mold element, the latter being rigid enough to avoid deformation during heating of the mold prior to pouring and during solidification. This central element has on opposite surfaces the configurations of the inner surfaces of the hollow blade. Cooperating with this inner element are outer elements having cooperating inner surface configurations of the convex and concave sides of the blade respectively. After the blade halves are cast simultaneously in the assembled mold and removed therefrom they are bonded together to form a complete blade.

REFERENCES:
patent: 3627015 (1971-12-01), Giamei
patent: 3908733 (1975-09-01), Brazer et al.

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