Method of making a turbine blade having a metal core and a ceram

Details Method of making a turbine blade having a metal core and a ceram Method of making a turbine blade having a metal core and a ceram

1980-10-21

1983-03-01

Hampilos, Gus T.

Metal founding

Process

Shaping a forming surface

164 35, 164 75, 164 98, B22D 1902

Patent

active

043752330

ABSTRACT:
A finished ceramic airfoil is provided having within it a lining of thermal insulation and a fusible core having the desired contour of the metal core of the turbine blade. A casting mold is provided around the airfoil. The fusible core is melted and removed, leaving a cavity in the airfoil surrounded by the insulation lining. The cavity is filled with molten metal which is allowed to solidify to form the metal core of the turbine blade.

REFERENCES:
patent: 3863701 (1975-02-01), Niimi et al.
patent: 4154282 (1979-05-01), Kull
patent: 4291741 (1981-09-01), Willem

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