PARTICLE ENHANCED CERAMIC MATRIX COMPOSITE WITH NO PARTICLES ON SURFACE PLIES
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United States of America
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Issued Date -
Dec 5, 2024
app pub date -
Jun 2, 2023
filing date -
Jun 2, 2023
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Abstract
A method of forming a ceramic matrix composite includes preparing a plurality of fibrous ceramic plies by applying a binder solution loaded with ceramic particles to each of a first subset of plies, and applying the binder solution without ceramic particles to each of a second subset of plies. The method further includes arranging the plurality of plies to form a preform with a gradient along a thickness direction of the preform by stacking the first subset of plies to form a first zone of the preform, and stacking individual ones of the second subset of the plies on both sides of the first zone to form a second zone on each side of the first zone. Loading of the ceramic particles is higher in the first zone than in the second zones. The method further includes densifying the preform with a ceramic matrix.
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