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

1980-07-28

1981-11-10

Robinson, Ellis P.

Coating processes

Foraminous product produced

427247, 4273762, 4273764, 4273765, 4273835, 4273936, 4274072, 427409, 4274194, 4274196, 4274193, 427426, B05D 500, B05D 138, B05D 134

Patent

active

042998654

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), Marsher

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