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US 8,802,225 B2Granted
Article having vitreous monocoating
AssigneeUnited Technologies Corporation
InventorsBrian K. Flandermeyer, Kathleen E. Sinnamon, Erica Prevost
Life of this patent
Estimating the term…
Abstract
An article includes a ceramic matrix composite substrate with a heat-exposure surface and a monocoating disposed directly on the heat-exposure surface. The monocoating includes vitreous glass to seal the ceramic matrix composite from the surrounding environment.
Claims24
An article comprising:
- a substrate comprising a ceramic matrix composite and having a heat-exposure surface;
- and
- a monocoating disposed directly on the heat-exposure surface, the monocoating comprising vitreous glass in a discrete phase dispersed in a continuous matrix.
An article comprising:
- a ceramic matrix composite substrate having a heat-exposure surface;
- and
- a monocoating disposed directly on the heat-exposure surface, the monocoating consisting of a vitreous glass in a discrete phase dispersed in a continuous matrix.
A turbine engine comprising:
- a combustion section;
- a gas passage leading from the combustion section and including a turbine section downstream of the combustion section and a nozzle downstream of the turbine section, the gas passage including a composite article having a ceramic matrix composite substrate with at least one surface exposed in the gas passage and a monocoating disposed directly on the at least one surface, the monocoating comprising vitreous glass in a discrete phase dispersed in a continuous matrix.
Dependencies are inferred from the claim text.