This paper presents experimental investigations on low-velocity impact response of hollow integrated sandwich composites with aluminum skin by using drop-weightmethod.
本文采用落锤冲击试验机对铝蒙皮整体中空夹层复合材料进行了低速冲击试验。
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The method and standard of dropweight tear test were described. It was also discussed how to evaluate the capability of pipeline steel to transit from toughness to fracture by DWTT.