Abradable ceramic seal and method of making same
US4299865A · kind A · utility
34Cited by
6References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 28, 1980 |
| Grant date | Nov 10, 1981 |
| Priority date | — |
| Expiry date | Jul 28, 2000 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01D11/122
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.