Method and apparatus for casting directionally solidified articl

Details Method and apparatus for casting directionally solidified articl Method and apparatus for casting directionally solidified articl

1974-11-29

1976-03-09

Husar, Francis S.

Metal founding

Process

Shaping liquid metal against a forming surface

164125, 164136, 164348, B22D 2506

Patent

active

039425819

ABSTRACT:
The invention relates to an improved method of casting superalloy articles and more particularly to an apparatus for directionally solidifying eutectic superalloy compositions to produce a composite structure of a superalloy matrix reinforced with aligned carbide fibers. The improvement includes positioning a movable bed of a ceramic insulation around the mold such that as the mold is lowered the bed forms a continuous heat insulating barrier around the sides of the mold to prevent lateral heat transfer.

REFERENCES:
patent: 3248764 (1966-05-01), Chandley
patent: 3532155 (1970-10-01), Kane et al.
patent: 3793012 (1974-02-01), Walter et al.
patent: 3793013 (1974-02-01), Walter et al.
patent: 3847203 (1974-11-01), Northwood

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