PROCESSING METHOD FOR PIP DERIVED CMC ARTICLE
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United States of America Patent
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Jun 9, 2022
app pub date -
Nov 29, 2021
filing date -
Nov 29, 2021
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Abstract
A disclosed method of forming a ceramic article includes forming a pre-ceramic polymer article within a mold tool, and performing a first pyrolizing step on the initial pre-ceramic polymer article to form a ceramic article. The method further includes performing at least one pre-heat treatment polymer infiltration and pyrolizing (PIP) cycle on the ceramic article and an initial heat treatment cycle of the ceramic article after the at least one pre-heat treatment PIP cycle. Subsequent PIP cycles and heat treatment cycles are performed in combination to form a ceramic article including a desired density.
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