IMPACT TEST ON ALUMINUM HONEYCOMB SANDWICH PANELS

XIN YaJun; ZHANG LiWei; LIU XiaoMan; CHENG ShuLiang; LI HuiJian

doi:10.16579/j.issn.1001.9669.2018.04.007

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IMPACT TEST ON ALUMINUM HONEYCOMB SANDWICH PANELS

更新时间：2022-09-22

- IMPACT TEST ON ALUMINUM HONEYCOMB SANDWICH PANELS
- Journal of Mechanical Strength Vol. 40, Issue 4, Pages: 802-809(2018)
- 作者机构：
  
  1. 燕山大学建筑工程与力学学院
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2018.04.007
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XIN YaJun, ZHANG LiWei, LIU XiaoMan, et al. IMPACT TEST ON ALUMINUM HONEYCOMB SANDWICH PANELS. [J]. 40(4):802-809(2018)
DOI：

XIN YaJun, ZHANG LiWei, LIU XiaoMan, et al. IMPACT TEST ON ALUMINUM HONEYCOMB SANDWICH PANELS. [J]. 40(4):802-809(2018) DOI： 10.16579/j.issn.1001.9669.2018.04.007.

摘要

采用落锤低速冲击试验测试蜂窝铝夹芯板的动态力学性能,研究了其破坏形态、破坏过程和典型荷载-位移曲线,分析了冲击速度和面板厚度两个因素对夹芯板极限冲击承载力和吸能量的影响,并和准静态试验下相应面板厚度的夹芯板进行力学性能对比。试验结果表明,蜂窝铝夹芯板的典型冲击荷载-位移曲线呈现出五个主要阶段,在不同冲击速度下夹芯板的极限冲击承载力和吸能量基本一致,而随着面板厚度的增加,夹芯板的极限冲击承载力和吸能量随之增加,三种不同面板厚度的夹芯板在落锤低速冲击作用下的极限冲击承载力和吸能量比在准静态作用下提高。

Abstract

The dynamic mechanical properties of aluminum honeycomb sandwich panels were investigated under low velocity drop weight impact test.The failure behaviors,destruction process and typical force-displacement curves were analyzed.The impact velocities and panel thickness have influence on ultimate impact force and energy absorption was analyzed respectively.The mechanical properties of sandwich panels with corresponding panel thickness under quasi-static test were compared.The tests result show that typical impact load-displacement curve of aluminum honeycomb sandwich panels presents five stages.The ultimate impact force and energy absorption of sandwich panels under different impact velocities are basically identical.With the panel thickness increasing,ultimate impact force and energy absorption of sandwich panels increase.Compared with quasi-static experiment,the ultimate impact force and energy absorption of sandwich panels with three kinds surface thickness under low velocity drop weight impact tests are improved.

关键词

蜂窝铝夹芯板冲击速度面板厚度极限冲击承载力吸能量

Keywords

Aluminum honeycombSandwich panelImpact velocityPanel thicknessUltimate impact forceEnergy absorption

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