Method for manufacturing a part made from a composite material by means of the injection of a laden ceramic slurry into a fibrous structure
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United States of America Patent
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Jun 29, 2021
Grant Date -
Feb 18, 2021
app pub date -
Apr 4, 2019
filing date -
Apr 13, 2018
priority date (Note) -
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Abstract
A process for manufacturing a composite part includes arranging a fibrous preform in a mold including an impregnation chamber which includes in its lower part a filter by making a first face of the preform rest on the filter, the impregnation chamber being closed by a flexible membrane placed opposite a second face of the preform, the membrane separating the impregnation chamber from a compaction chamber. The process further includes injecting a compression fluid into the compaction chamber so as to apply a first pressure on the membrane and injecting a slurry including ceramic particles into the impregnation chamber with a second pressure while maintaining the injection of the compression fluid, the second injection pressure of the slurry being lower than the first pressure on the membrane.
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