Carbon fiber—carbon nanotube tow hybrid reinforcement with enhanced toughness
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United States of America Patent
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Jan 16, 2024
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N/A
app pub date -
Aug 21, 2020
filing date -
Aug 21, 2019
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Abstract
A triaxially hybrid braid reinforcement material for polymer matrix composites. The braid includes hybrid tows, which include at least one carbon fiber tow commingled with carbon nanotube yarns to introduce toughness to the hybrid tows. The hybrid tows may be arranged in any and all of the braiding directions. The braid may also include carbon fiber tows, which can be arranged in the axial direction or other braiding directions not occupied by the hybrid tows. The braid is infiltrated with resin, which is impregnated into the braid and cured, to form the toughened polymer matrix composite.
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