Investigation of energy absorption characteristics of circular paper tubes under axial impact loading

被引:7
|
作者
Lian, Xiao-Gen [1 ]
Lu, Li-Xin [1 ,2 ,3 ]
Pan, Liao [1 ,2 ]
机构
[1] Jiangnan Univ, Dept Packaging Engn, Wuxi 214122, Peoples R China
[2] Jiangsu Key Lab Adv Food Mfg Equipment & Technol, Wuxi 214122, Peoples R China
[3] Jiangnan Univ, Dept Packaging Engn, 1800 Lihu Ave, Wuxi 214122, Peoples R China
关键词
Energy absorption; Paper tube; Axial impact; Effective crushing distance; Strain rate dependence; PLASTIC-DEFORMATION; COLLAPSE; CRASHWORTHINESS; ABSORBERS;
D O I
10.1016/j.ijimpeng.2022.104210
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
In this paper, the deformation mechanism and energy absorption characteristics of circular paper tube under axial quasi-static and dynamic loadings are studied. The collapse mode of circular paper tube is obtained, which is different from the collapse mode of metal tube. Based on the collapse mode, a simplified spiral multi-lobe folding mode of circular paper tube is proposed, and a theoretical prediction model of energy absorption performance of circular paper tube under axial compression and impact is established, considering the effects of effective crushing distance and strain rate dependence. The theoretical results are in good agreement with the results of quasi-static compression and dynamic impact tests of circular paper tubes. The proposed model can be used to evaluate the characteristics of energy absorption structures in practical applications, and provide theoretical guidance for optimal design of paper tube structures according to the energy absorption requirements.
引用
收藏
页数:12
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