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。
This paper presents experimental investigations on low-velocity impact response of hollow integrated sandwich composites with aluminum skin by using drop-weight method.
研制了铝蒙皮-硬质聚氨酯泡沫塑料夹层结构。
Then a sandwich composite of metal Al clad Pu rigid foaming plastic is fabricated.
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