Cushioning energy absorption of polyethylene foam single-filledpaper corrugation tubes under axial drop impact

被引：0

作者：

Han X. ^{[1
]}

Guo Y. ^{[1
]}

Wei Q. ^{[1
]}

Fu Y. ^{[1
]}

Ji M. ^{[1
]}

Zhang W. ^{[1
]}

机构：

[1] Department of Packaging Engineering, Xi'an University of Technology, Xi'an, 710048, Shaanxi

来源：

Guo, Yanfeng (guoyf@xaut.edu.cn) | 1600年 / Explosion and Shock Waves卷 / 41期

关键词：

Axial drop impact; Cushioning energy absorption; Paper corrugation tube; Polyethylene foam; Single-filling;

D O I：

10.11883/bzycj-2019-0341

中图分类号：

学科分类号：

摘要：

This paper investigated comparatively the effect of structural parameters (tube direction, tube cross-section shape, tube length ratio) and impact parameters (impact mass, impact energy) on the cushioning energy absorption characteristics (specific energy absorption, stroke efficiency, crush force efficiency, specific total efficiency) of the polyethylene closed-foam single-filling paper corrugation tubes by axial drop impact tests. The results show that the single-filled X-direction tubes hold better dynamic cushioning energy absorption than the single-filled Y-direction tubes, but weaker static cushioning energy absorption than the single-filled Y-direction tubes. The regular quadrilateral single-filled tubes have superior dynamic cushioning energy absorption to the regular pentagonal and hexagonal single-filled tubes, e.g. the regular quadrilateral single-filled X-direction tubes can respectively increase the specific energy absorption by 114.4% and 182.3% for those with tube cross-section shape of regular pentagon and hexagon. During the drop impact process the specific energy absorption, stroke efficiency and specific total efficiency of the single-filled tubes decrease with the increase of tube length ratio, e.g. the single-filled X-direction tube with the tube length ratio of 1.4 can respectively increase the specific energy absorption by 45.8% and 117.9% for those with tube length ratio of 2.2 and 3.0, moreover the crush force efficiency increases as the tube length ratio increases. The characteristics of dynamic cushioning energy absorption increase with the increase of drop impact mass or impact energy, and the single-filled X-direction tube is greatly controlled by the mass of impact block, while the single-filled Y-direction tube is obviously affected by the velocity of drop impact. © 2020, Editorial Staff of EXPLOSION AND SHOCK WAVES. All right reserved.

引用

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