THERMOPLASTIC COMPOSITE PREPREG FOR AUTOMATED FIBER PLACEMENT
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United States of America Patent
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Jan 28, 2016
app pub date -
Sep 9, 2015
filing date -
Dec 21, 2011
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Abstract
An improved thermoplastic composite prepreg tape is disclosed. The prepreg tape is optimized for high-speed, high quality in-situ consolidation during automated fiber placement. Embodiments of the prepreg tape have uniform dimensions (cross section, width, and thickness), uniform energy absorption, uniform surface roughness, and sufficient resin at the surface to affect a bond between layers. A scattering agent is used in a polymer surface layer to enable a combination of scattering and absorption in the polymer surface layer.
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