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Impact performation of thin stiffened CFRP panels

机译:薄型加筋CFRP板的冲击性能

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摘要

Static indentation and drop weight impact tests have been performed on thin CFRP panes stiffened with three T-blade stiffeners and comparisons made with similar tests on plain panes. The impact perforation threshold energy may be estimated from the work done by the indentor during a static indentation test for both plain and stiffened panels. For impacts conducted in-line with the stiffener the perforation energy is significantly increase and the maximum damage levels occur at higher energies than for other pane loading conditions.
机译:静态压痕和落锤冲击测试已经在CFRP薄板上进行了测试,而CFRP板上则用了三个T型加强筋进行了加固,并且在普通窗格上进行了类似测试。冲击穿孔阈值能量可以从压板在平压板和加劲板的静态压痕测试过程中所做的功估算得出。对于与加劲肋在线进行的冲击,射孔能量会显着增加,并且最大破坏水平是在比其他窗格加载条件更高的能量下发生的。

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