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Ring seal system with reduced cooling requirements

Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
239 KB
Volume
2007
Category
Article
ISSN
1350-4789

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✦ Synopsis

This invention relates to the sealing of a ceramic matrix surface that contains a three-dimensional interconnected network of micro-cracks that are open at the surface. An additive material consisting of a flux or glass, is dispersed in the matrix. At a specified temperature it will soften and migrate by capillary action through the network of micro-cracks to the surface. A sufficient quantity of the additive material is dispersed in the matrix to create a gas-tight barrier.

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