CARBONIZATION SHAPE FORMING OF OXIDIZED PAN FIBER PREFORM
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United States of America Patent
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Aug 15, 2024
app pub date -
Apr 23, 2024
filing date -
Jun 18, 2021
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Abstract
A single stage OPF-to-carbon preform shape forming method includes positioning an oxidized PAN fiber preform with a female forming tool, positioning a vacuum bag over the oxidized PAN fiber preform, and vacuum forming the oxidized PAN fiber preform into a shaped body. The vacuum formed shaped body (while still in the shape forming fixture) may be loaded into a carbonization furnace and carbonized. The vacuum bag may be burned away in the carbonization furnace during carbonization.
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