典型文献
Hygrothermal effect on high-velocity impact resistance of woven composites
文献摘要：
The woven glass fiber reinforced composites(GFRP)subjected to high-speed impact is investigated to identify the hygrothermal aging effect on the impact resistance.Both the hygrothermal aged and unaged glass/epoxy laminates are subjected to different impact velocities,which is confirmed as a sensitive factor for the failure modes and mechanisms.The results show the hygrothermal aging effect decreases the ballistic limit by 14.9％,but the influence on ballistic performance is limited within the impact ve-locity closed to the ballistic limit.The failure modes and energy dissipation mechanisms are confirmed to be slightly influenced by the hygrothermal aging effect.The hygrothermal aging effect induced locali-zation of structural deformation and degradation of mechanical properties are the main reasons for the composite undergoing the same failure modes at smaller impact velocities.Based on the energy ab-sorption mechanisms,analytical expressions predict the ballistic limit and energy absorption to reasonable accuracy,the underestimated total energy absorption results in a relatively poor agreement between the measured and predicted energy absorption efficiency.
文献关键词：
中图分类号：
作者姓名：
Xiao-chen Yang;Nan Jia
作者机构：
School of Urban Construction,Eastern Liaoning University,Wenhua 325,Dandong,118003,China;College of Safety Science and Engineering,Liaoning Technical University,Fuxin,123000,China;China Coal Technology&Engineering Group Shenyang Research Institute,Fushun,113122,China;State Key Laboratory of Coal Mine Safety Technology,Fushun,113122,China
文献出处：
引用格式：
[1]Xiao-chen Yang;Nan Jia-.Hygrothermal effect on high-velocity impact resistance of woven composites)[J].防务技术,2022(05):823-833
A类：
Hygrothermal,hygrothermal,unaged,locali
B类：
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AB值：
0.423451
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