Method and apparatus for production of directionally solidified

Details Method and apparatus for production of directionally solidified Method and apparatus for production of directionally solidified

1974-09-23

1976-01-13

Shore, R. J.

Metal founding

Process

With measuring, testing, inspecting, or condition determination

164 60, 164154, 164361, B22D 2506

Patent

active

039318478

ABSTRACT:
In the manufacture of cast articles such as gas turbine blades and vanes from high temperature alloys or eutectics, the heating of the mold in readiness for pouring and the cooling of the mold after pouring are precisely controlled by mechanism responsive to thermocouples internal and external to the mold and moving with the mold and a thermocouple in fixed relation within the furnace. The mechanism is especially adapted for use with the withdrawal technique in which the mold when poured is withdrawn from within the heating furnace past a radiation baffle thereby maintaining a steep thermal gradient within the mold and moving relative to the mold to establish the rate of upward movement of the solidification front within the alloy.

REFERENCES:
patent: 3532155 (1970-10-01), Kane et al.
patent: 3680625 (1972-08-01), Hein et al.
patent: 3770047 (1973-11-01), Kirkpatrick et al.
patent: 3794100 (1974-02-01), Raymond et al.

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