GAS TURBINE COMPONENT AND PROCESS FOR PRODUCING GAS TURBINE COMPONENT
First Claim
1. A process of producing a ceramic matrix composite gas turbine component, the process comprising:
- modifying a surface of the ceramic matrix composite gas turbine component to produce a modified surface with a surface roughness of less than 6 micrometers;
wherein the modifying is selected from the group of techniques consisting of applying unreinforced matrix plies to the surface, vapor depositing silicon on the surface, honing the surface, applying braze paste to the surface, and combinations thereof.
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Accused Products
Abstract
A process of producing a ceramic matrix composite gas turbine component and a ceramic matrix composite gas turbine component are provided. The process includes modifying a surface of the ceramic matrix composite gas turbine component to produce a modified surface with a surface roughness of less than 6 micrometers. The modifying is selected from the group of techniques consisting of applying unreinforced matrix plies to the surface, vapor depositing silicon on the surface, honing the surface, applying braze paste to the surface, and combinations thereof. The component includes a modified surface including a surface roughness of less than 6 micrometers. The modified surface being selected from the group consisting of unreinforced matrix plies applied to a surface of the ceramic matrix composite gas turbine component, silicon vapor deposited on the surface, a honed surface, a braze paste applied to the surface, and combinations thereof.
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Citations
35 Claims
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1. A process of producing a ceramic matrix composite gas turbine component, the process comprising:
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modifying a surface of the ceramic matrix composite gas turbine component to produce a modified surface with a surface roughness of less than 6 micrometers; wherein the modifying is selected from the group of techniques consisting of applying unreinforced matrix plies to the surface, vapor depositing silicon on the surface, honing the surface, applying braze paste to the surface, and combinations thereof. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A process of producing a ceramic matrix composite gas turbine component, the process comprising:
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modifying a surface positioned in a seal slot along a hot gas path of the ceramic matrix composite gas turbine component to produce a modified surface with a surface roughness of less than 3 micrometers; and positioning a seal in the seal slot; wherein the modified surface is substantially devoid of fibers; and wherein the modifying is selected from the group of techniques consisting of applying unreinforced matrix plies to the surface, vapor depositing silicon on the surface, honing the surface, applying braze paste to the surface, and combinations thereof.
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24. A ceramic matrix composite gas turbine component, comprising:
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a modified surface including a surface roughness of less than 6 micrometers; wherein the modified surface is selected from the group consisting of unreinforced matrix plies applied to a surface of the ceramic matrix composite gas turbine component, silicon vapor deposited on the surface, a honed surface, a braze paste applied to the surface, and combinations thereof.
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25. A process of honing a ceramic matrix composite surface, the process comprising:
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providing a non-abrasive material; positioning the non-abrasive material adjacent to the ceramic matrix composite surface; and depositing at least a portion of the non-abrasive material into crevasses on the ceramic matrix composite surface by conducting at least about 300 honing cycles; wherein each of the honing cycles comprises moving at least one of the non-abrasive material or the ceramic matrix composite surface relative to the other. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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Specification