High temperature refractory coatings for ceramic substrates
AssigneeUnited Technologies Corporation
InventorsWayde R. Schmidt, Tania Bhatia Kashyap, Xia Tang, David C. Jarmon, Owen B. Donahue, Jr.
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Abstract
A composition for manufacturing a composite of a non-oxide ceramic matrix and a refractory phase within the non-oxide ceramic matrix includes a preceramic polymer for forming a non-oxide ceramic matrix and a refractory material dispersed within the preceramic polymer.
Claims20
A composition for manufacturing a composite of a non-oxide ceramic matrix and a refractory phase within the non-oxide ceramic matrix, comprising:
- a preceramic polymer for forming a non-oxide ceramic matrix, the preceramic polymer including at least one of polysilane, polysilazane, polycarbosilane, or polyborosilazane;
- and
- a refractory material dispersed within the preceramic polymer, and the refractory material is a silicide of hafnium.
A composition for manufacturing a composite of a non-oxide ceramic matrix and a refractory phase within the non-oxide ceramic matrix, comprising:
- a preceramic polymer for forming a non-oxide ceramic matrix, the preceramic polymer including at least one of polysilane, polysilazane, polycarbosilane, or polyborosilazane;
- and
- a refractory material dispersed within the preceramic polymer, and the refractory material is hafnium-containing borosilicate.
Dependencies are inferred from the claim text.