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首页> 外文会议>ICCST8;International Conference on Composite Science and Technology >Comparative Study of Fiber Metal Laminates (FMLs) and Aluminum Skins for Polypropylene (PP) Honeycomb Core Sandwich Structure under Low Velocity Impact Loads.
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Comparative Study of Fiber Metal Laminates (FMLs) and Aluminum Skins for Polypropylene (PP) Honeycomb Core Sandwich Structure under Low Velocity Impact Loads.

机译：低速冲击载荷下聚丙烯（PP）蜂窝芯夹芯结构的纤维金属层压板（FML）和铝皮的比较研究。

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摘要

In this study, the impact responses of sandwich structure with both FML and aluminum skins were compared. The force-time histories from the low-velocity drop weight impact tester were recorded under various impact energies. Energy absorbed from the two types of sandwich structures under various impact energies were also calculated by measuring its initial velocity before impact from a series of recorded high speed camera pictures and force-time histories. Based on results obtained, pure aluminum skins with PP honeycomb core that being impacted by lower impact energies shows higher absorbed energies as compared to FML skins. However with higher impact energies the FML skins shows improvement over the aluminum with higher energy absorption capacity. Damages created were also being characterized under optical microscope for further investigation.
机译：在这项研究中，比较了带有FML和铝皮的三明治结构的冲击响应。在各种冲击能量下记录了低速落锤冲击测试仪的力时历史。通过从一系列记录的高速摄像机图像和作用力时间历史记录中测量其在撞击之前的初始速度，还可以计算出两种类型的三明治结构在各种撞击能量下吸收的能量。根据获得的结果，与FML蒙皮相比，具有较低冲击能量的具有PP蜂窝芯的纯铝蒙皮显示出更高的吸收能。但是，具有更高的冲击能量，FML蒙皮显示出比具有更高能量吸收能力的铝有所改善。造成的损害也正在光学显微镜下进行表征，以供进一步研究。

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