Process for smoothing the surface of a part made of CMC material
US8846218B2 · kind B2 · utility
8Cited by
5References
5Claims
0Family size
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Key dates
| Filing date | Mar 31, 2010 |
| Grant date | Sep 30, 2014 |
| Priority date | — |
| Expiry date | Feb 9, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249924
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method of smoothing the surface of a ceramic matrix composite material part that presents a surface that is undulating and rough. The method includes depositing a refractory vitreous coating on the surface of the part, the vitreous coating essentially containing silica, alumina, baryte, and lime.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.