Fugitive fiber commingling to provide loft in ceramic fiber tows
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United States of America Patent
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Sep 6, 2022
Grant Date -
Jun 13, 2019
app pub date -
Aug 24, 2018
filing date -
Dec 11, 2017
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Abstract
A method of making a ceramic fiber tow and the system regarding the same may be included. The method may include commingling a plurality of ceramic fibers with a fugitive fiber to form a single ceramic fiber tow. The fugitive fiber may be positioned between at least two ceramic fibers included in the single ceramic fiber tow. The method may further include forming a porous ceramic preform including at least the single ceramic fiber tow. The method may further include removing the fugitive fiber from the ceramic fiber tow leaving a space between at least two ceramic fibers of the single ceramic fiber tow. The method may further include replacing the spaces between ceramic fibers included in the ceramic fiber tows with a ceramic matrix.
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