基于湿度影响的蜂窝纸板静态压缩能量吸收图

王军; 卢立新; 王军1

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基于湿度影响的蜂窝纸板静态压缩能量吸收图
王军¹, 卢立新^2,3, 王军1^2,3
1.江南大学，无锡214122;2.1．江南大学，无锡214122;3.2．中国包装总公司食品包装技术与安全重点实验室，无锡214122

摘要:

基于不同厚跨比蜂窝纸板在不同湿度条件下的静态压缩应力应变曲线,构建含应变速率、蜂窝结构等信息的能量吸收图。结果表明:随厚跨比的增大,蜂窝纸板最佳能量吸收点向右上方偏移,其单位体积吸收能量的能力增强;随着相对湿度的增大,蜂窝纸板最佳能量吸收点向左下方偏移,其单位体积吸收能量的能力减弱。

关键词: 蜂窝纸板相对湿度厚跨比静态压缩能量吸收图

DOI：

分类号:TB485.1；TB487

基金项目:“十一五”国家科技支撑计划课题(2006BAD30802)；江南大学创新团队发展计划资助课题

Energy-absorption Diagrams of Honeycomb Paperboards under Static Compression in Different Relative Humidity

WANG Jun¹, LU Li-xin^2,3, WANG Jun^2,3

1.Jiangnan University, Wuxi 214122, C,hina;2.1. Jiangnan University, Wuxi 214122, C,hina;3.2. Key Laboratory of Food Packaging Techniques and Safety of China National Packaging Corporation, Wuxi 214122, China

Abstract:

Based on stress-strain curves of honeycomb paperboards with different thickness-to-length ratios under static compression in different reiative humidity, the energy-absorption diagrams were molded and constructed, which included the information of strain rates, honeycomb structures and relative humidity conditions. The results showed that the best energy-absorbing point shifts to the upper right with the increasing thickness-to-length ratio of honeycomb paperboard, and the energy-absorption capacity per unit volume increased; the energy-absorption point shifts to the lower left and the energy-absorption capacity per unit volume decreases with the relative humidity incrcascs.

Key words: honeycomb paperboard relative humidity thickness-to-length ratio static compression energy-absorption diagram