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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Carbon Fiber Wrapped Barrels
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<blockquote data-quote="bruce_ventura" data-source="post: 832154" data-attributes="member: 34084"><p>By now you've probably discovered that the thermal conductivity of carbon fiber composites used to wrap barrels is much lower than bare fiber - by a factor of about 100. I checked published data and found the through-the-thickness thermal conductivity at 400 K to be about 1-20 W/m-K, depending on the matrix and process, which is indeed much lower than barrel steel. Unless ABS has made a breakthrough in carbon-carbon technology, these materials are definitely insulators compared to normal barrel steel. </p><p></p><p>I don't have an answer to your question about barrel life, but I'm guessing it depends a lot on the rate of fire. If you allow the barrel to cool between shots, I think it should be similar to a conventional barrel.</p></blockquote><p></p>
[QUOTE="bruce_ventura, post: 832154, member: 34084"] By now you've probably discovered that the thermal conductivity of carbon fiber composites used to wrap barrels is much lower than bare fiber - by a factor of about 100. I checked published data and found the through-the-thickness thermal conductivity at 400 K to be about 1-20 W/m-K, depending on the matrix and process, which is indeed much lower than barrel steel. Unless ABS has made a breakthrough in carbon-carbon technology, these materials are definitely insulators compared to normal barrel steel. I don't have an answer to your question about barrel life, but I'm guessing it depends a lot on the rate of fire. If you allow the barrel to cool between shots, I think it should be similar to a conventional barrel. [/QUOTE]
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Carbon Fiber Wrapped Barrels
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