Investment casting

Details Investment casting Investment casting

1984-11-14

1985-12-31

Lin, Kuang Y.

Metal founding

Process

Shaping a forming surface

164 35, 1641221, B22C 924, B22C 904

Patent

active

045614911

ABSTRACT:
A method of manufacturing a mould for use in the investment casting of a hollow gas turbine engine blade in which a ceramic core is coated with a surface modifying material prior to the application of wax thereto to define a pattern of the object to be cast. The surface modifying material adheres to the core and provides a textured surface to which the wax keys, thereby preventing the wax lifting from the core.

REFERENCES:
patent: 4289191 (1981-09-01), Myllymaki

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