HIGH TEMPERATURE COMPOSITE PROJECTILE BARREL
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United States of America Patent
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Jul 21, 2016
app pub date -
Aug 28, 2014
filing date -
Aug 28, 2013
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Abstract
A composite projectile barrel is disclosed comprising a polymer matrix composite outer shell that accommodates higher temperature loading. In one embodiment, the invention comprises an outer shell fabricated from carbon fibers and polyimide resin having a glass transition temperature greater than 500° F. In another embodiment, the resin mixture includes a plurality of sizes of aluminum particles, between about 0.1 microns and 10.0 microns in diameter and of approximately spherical shape, as a thermal conductive additive.
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