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The Damage Analysis of Composite Laminate under the Action of Low Speed Impact and Static Pressure Mark
Abstract:
Based on energy balance equation, the relationship between the biggest impact contact force with the pit depth in the process of impact was derived by the relationship between impact energy and indentation depth, T700S/5228 and T300/5222, two different toughness of carbon/epoxy resin composite material, are chose. The corresponding relationship between impact energy (static pressure mark force) and indentation depth was got by the contrast analysis on the low speed impact test and the static pressure mark test, and showed the similar trend with static pressure mark test of static force and indentation depth relationship. This similar trend that obvious turning points were appeared in some indentation depth showed the effectiveness that using the quasi static method to simulate the low-velocity impact of composite laminate to a certain extent.
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1437-1440
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Online since:
June 2014
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© 2014 Trans Tech Publications Ltd. All Rights Reserved
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