Abradable ceramic seal and method of making same

Details Abradable ceramic seal and method of making same Abradable ceramic seal and method of making same

1979-09-06

1981-05-26

Robinson, Ellis P.

Stock material or miscellaneous articles

All metal or with adjacent metals

With provision for limited relative movement between components

428613, 428623, 428633, 428652, 428472, 428471, B32B 1504

Patent

active

042699037

ABSTRACT:
An abradable ceramic seal coating on at least one of a pair of members having relative rotational movement, the coating being formed of stabilized zirconia which is codeposited with a thermally decomposable organic powder, the codeposited layer being heated to decompose the organic filler and produce a porous coating of from about 20 to about 33% voids.

REFERENCES:
patent: 3092306 (1963-06-01), Eder
patent: 3147087 (1964-09-01), Eisenlohr
patent: 3575427 (1969-11-01), Lapac
patent: 3975165 (1976-08-01), Elbert
patent: 4055705 (1977-10-01), Stecura
patent: 4109031 (1978-08-01), Marscher

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