中国塑料 ›› 2007, Vol. 21 ›› Issue (4): 54-57.

• 加工与应用 • 上一篇    下一篇

基于能量吸收效率的泡沫塑料缓冲材料选择

霍银磊,张新昌
  

  1. 江南大学机械学院包装工程系,江苏无锡214122
  • 出版日期:2007-04-26 发布日期:2021-05-17

Cushioning Foam Selection Based on Energy Absorption Efficiency

HUO Yin-lei1,ZHANG Xin-chang2   

  1. Department of Packaging Engineering,University,School of Mechanical Engineering, Southern Yangtze Wuxi 214122, China
  • Online:2007-04-26 Published:2021-05-17

摘要: 讨论了几种不同密度EPS泡沫、EPE泡沫的单项压缩性能,并绘制了材料的能量吸收效率一应力关系图及能量吸收效率一密度关系图。图线显示材料吸收的能量随应变量的增加而增加;不同密度的同类材料的能量吸收效率随应力增大有相同的变化趋势;在一定应力下材料能量吸收效率随着材料密度增大呈近似抛物线趋势变化并有唯一极值点。阐述了在缓冲包装设计中利用材料的能量吸收效率一应力图线合理选择材料密度的方法。

关键词: 泡沫塑料, 密度, 能量吸收, 效率

Abstract: This paper studied the relationship between mechanical properties and density of expanded polystyrene and polyethylene. Theenergy-absorption increased with increasing strain, and the energy absorption efficiency increased with increasing stress. At constant stress the plot of energy absorption efficiency against densityexhibited a parabola-like curve with a maximum, which provided an effective way for the choice of foam materials.

Key words: plastic foam, density, energy absorption, efficiency

中图分类号: