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Long Range Hunting & Shooting
Cold temp affecting terminal performance of plastic tipped bullets
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<blockquote data-quote="Hand Skills" data-source="post: 1364167" data-attributes="member: 103303"><p>Interesting question. It sure would be a lot of fun to test. In engineering, metals can be evaluated for DBTT (ductile to brittle temperature transition). Metals with a BCC (body centered cube) exhibit dramatic DBTT graphs compared with metals of the FCC (face centered cube) crystal structure, which are relatively 'athermal'. Both lead and copper are of the latter family, so the expectation from an engineering POV, performance should not be greatly affected by temperature. </p><p></p><p></p><p></p><p><a href="http://www.thefabricator.com/article/metalsmaterials/the-structure-of-metal" target="_blank">http://www.thefabricator.com/article/metalsmaterials/the-structure-of-metal</a></p></blockquote><p></p>
[QUOTE="Hand Skills, post: 1364167, member: 103303"] Interesting question. It sure would be a lot of fun to test. In engineering, metals can be evaluated for DBTT (ductile to brittle temperature transition). Metals with a BCC (body centered cube) exhibit dramatic DBTT graphs compared with metals of the FCC (face centered cube) crystal structure, which are relatively 'athermal'. Both lead and copper are of the latter family, so the expectation from an engineering POV, performance should not be greatly affected by temperature. [URL]http://www.thefabricator.com/article/metalsmaterials/the-structure-of-metal[/URL] [/QUOTE]
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Cold temp affecting terminal performance of plastic tipped bullets
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