Plasma sprayed mullite coatings on silicon-base ceramics
US5391404A · kind A · utility
37Cited by
7References
7Claims
0Family size
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Key dates
| Filing date | Mar 15, 1993 |
| Grant date | Feb 21, 1995 |
| Priority date | — |
| Expiry date | Mar 15, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A silicon-base ceramic substrate is provided with a mullite coating by flame-spraying heated crystalline mullite powders onto a substrate that is preheated to a temperature in excess of 800.degree. C. The mullite immediately crystallizes as it solidifies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.