Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 28, 2023
Patent Application Number
16785142
Date Filed
February 7, 2020
Patent Citations
Patent Primary Examiner
CPC Code
A method for forming ceramic matrix composite (CMC) component includes forming a fiber preform, positioning the fiber preform into a chemical vapor infiltration reactor chamber, and densifying the fiber preform. Densification includes infiltrating the fiber preform with a first gas comprising precursors of silicon carbide and infiltrating the fiber preform with a second gas comprising a first rare earth element, wherein the steps of infiltrating the fiber preform with the first gas and infiltrating the fiber preform with the second gas are conducted simultaneously to produce a first rare earth-doped silicon carbide matrix in a first region of the component.
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