Method of creating a controlled interior surface configuration o

Details Method of creating a controlled interior surface configuration o Method of creating a controlled interior surface configuration o

1980-12-29

1983-05-17

Poer, James

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

419 8, 419 53, 419 49, B22F 500, B22F 300

Patent

active

043838545

ABSTRACT:
A method of creating a controlled interior surface configuration of passages within a substrate, particularly cooling passages of nozzles or buckets of a gas turbine, involves the hot isostatic pressing of a leachable passage insert whose surface carries the female image of the desired interior surface configuration inside the substrate followed by leaching of the insert from the substrate.

REFERENCES:
patent: 2843354 (1958-07-01), Smith
patent: 4090810 (1978-05-01), Dakin et al.
patent: 4119390 (1978-10-01), Dakin
patent: 4137619 (1979-02-01), Beltran et al.
patent: 4142831 (1979-03-01), Dakin et al.
patent: 4183456 (1980-01-01), Schilling et al.
patent: 4210269 (1980-07-01), Schilling et al.
Grigull et al., Progress in Heat and Mass Transfer, vol. 1, Pergamon Press, 1969, pp. 331-370.

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