Casting turbine components with integral airfoils

Details Casting turbine components with integral airfoils Casting turbine components with integral airfoils

1987-11-05

1989-03-21

Godici, Nicholas P.

Metal founding

Process

Shaping liquid metal against a forming surface

164125, 164127, 1643381, 164352, 164361, B22D 2704

Patent

active

048134708

ABSTRACT:
Method and apparatus for controlling radial solidification in cast turbine wheel or nozzle assembly so as to produce an equiaxed fine grain structure in a hub portion and a directionally solidified grain structure in an integral blade portion by means of adjustable heat shields and heating elements disposed above and below the mold.

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patent: 4436485 (1984-03-01), Vonnegut

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