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US-2024401725-A1 · Dec 5, 2024 · US
Silicon oxycarbide environmental barrier coating
US2025026692A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2025026692-A1 |
| Application number | US-202318476686-A |
| Country | US |
| Kind code | A1 |
| Filing date | Sep 28, 2023 |
| Priority date | Jan 14, 2014 |
| Publication date | Jan 23, 2025 |
| Grant date | — |
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Abstract
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An article includes a ceramic-based substrate and a barrier layer on the ceramic-based substrate. The barrier layer includes a matrix of barium-magnesium alumino-silicate or SiO2, a dispersion of silicon oxycarbide particles in the matrix, and a dispersion of particles, of the other of barium-magnesium alumino-silicate or SiO2, in the matrix.
First claim
Opening claim text (preview).
1 . A method of making a composite material comprising: mixing at least one of barium-magnesium alumino-silicate, SiO 2 , and colloidal silica with silicon oxycarbide in a carrier fluid to form a slurry; drying the slurry to remove the carrier fluid; and curing the slurry such that cross-linking occurs in the composite material. 2 . The method of claim 1 , wherein the mixing includes mixing barium-magnesium alumino-silicate, SiO 2 , and silicon oxycarbide. 3 . The method of claim 1 , wherein the mixing includes mixing barium-magnesium alumino-silicate, colloidal silica, and silicon oxycarbide. 4 . The method of claim 1 , wherein the drying and the curing are simultaneous. 5 . The method of claim 4 , wherein the drying and curing are performed at 200° C. for at least 15 minutes. 6 . The method of claim 1 , further comprising sintering the composite material after the curing. 7 . The method of claim 1 , wherein the carrier fluid is water.
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Classifications
with a well-defined oxygen content, e.g. oxycarbides · CPC title
Alkaline earth aluminosilicates, e.g. cordierite {or anorthite} · CPC title
based on silica · CPC title
based on silicon carbide · CPC title
Non-permeable · CPC title
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Frequently asked questions
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- What does patent US2025026692A1 cover?
- An article includes a ceramic-based substrate and a barrier layer on the ceramic-based substrate. The barrier layer includes a matrix of barium-magnesium alumino-silicate or SiO2, a dispersion of silicon oxycarbide particles in the matrix, and a dispersion of particles, of the other of barium-magnesium alumino-silicate or SiO2, in the matrix.
- Who is the assignee on this patent?
- Rtx Corp
- What technology area does this patent fall under?
- Primary CPC classification B32B9/005. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Thu Jan 23 2025 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).