Dynamic impact response of aluminum honeycombs filled with Expanded Polypropylene foam
Dynamic impact response of aluminum honeycombs filled with Expanded Polypropylene foam
复制标题
膨胀聚丙烯泡沫填充铝蜂窝的动态冲击响应
DOI：
10.1016/j.compositesb.2018.08.043
复制
发表时间：
2019-01
期刊：
影响因子：
--
通讯作者：
Fang Jianguang
中科院分区：
文献类型：
--
作者：
Zhang Yanqin;Liu Qiang;He Zhaoheng;Zong Zhijian;Fang Jianguang
本文通过实验和数值方法研究了EPP泡沫填充铝蜂窝的动态冲击响应及其特性。结果表明，由于铝蜂窝与泡沫材料的相互作用，填充后的蜂窝的初始峰值强度和平均强度显著提高，但比能吸收（SEA）降低。在相同泡沫密度的填充试样中，初始峰值强度、平均强度和强度随冲击速度的增加而增大。与静态压缩试验相比，动冲击试验的初始峰值强度增大，而平均强度和see减小。研究表明，EPP泡沫填充能有效改善裸铝蜂窝的冲击特性。对填充蜂窝的动态冲击进行了数值模拟。它准确地再现了变形过程，并解决了壁与EPP泡沫之间的相互作用。通过对不同填充方式的性能比较，表明单胞体填充是在使用最少填充材料的情况下提高材料抗载性能的较好选择。
The paper investigated the dynamic impact response and characteristics of aluminum honeycomb filled with EPP foam (Expanded polypropylene) experimentally and numerically. It was found that the initial peak strength and mean strength of the filled honeycomb were improved significantly attributable to the interaction effect between the aluminum honeycomb and the foam, but the specific energy absorption (SEA) decreased. For the filled specimens with the same foam density, the initial peak strength, mean strength andSEAincreased with the increase in impact velocity. Compared with the characteristics in the static compression test, the initial peak strength in the dynamic impact test increased, whereas the mean strength andSEAdecreased. The study showed that EPP foam filling was effective to improve the impact characteristics of the bare aluminum honeycomb. Numerical simulation for the dynamic impact of filled honeycombs was also explored. It accurately reproduced the deformation process and addressed the interaction between the wall and EPP foam. By comparison of the properties in different filling types, it showed the single-cell filling was a good choice to improve the load resistance while using the least filling material.
登录
查看更多内容
开发主伺服环集成底盘控制系统的自校正轮胎摩擦控制研究
影响因子：
3.9
作者：
Zhang Rong-Hui;He Zhao-Cheng;Wang Hai-Wei;You Feng;Li Ke-Ning
通讯作者：
Li Ke-Ning
应变率对金属蜂窝体面外动态压缩行为的影响：实验与理论
影响因子：
6.3
作者：
Tao Yong;Chen Mingji;Chen Haosen;Pei Yongmao;Fang Daining
通讯作者：
Fang Daining
影响因子：
6.4
作者：
A. Toksoy;M. Güden
通讯作者：
A. Toksoy;M. Güden
DOI：
10.1016/j.ijimpeng.2004.09.001
发表时间：
2005-12-01
影响因子：
5.1
作者：
Yamashita, M;Gotoh, M
通讯作者：
Gotoh, M
影响因子：
--
作者：
C. L. Wu;C. A. Weeks;C. Sun
通讯作者：
C. L. Wu;C. A. Weeks;C. Sun