准静态压缩下Kevlar聚合物复合材料管状结构的轴向破碎行为

SEVENTH INTERNATIONAL SYMPOSIUM ON NEGATIVE IONS, BEAMS AND SOURCES (NIBS 2020) Pub Date : 2021-07-30 DOI:10.1063/5.0057891

A. P. Kumar, M. Shunmugasundaram, D. Mishra, Maneiah, M. G. Rao

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引用次数: 0

摘要

本文旨在研究在准静态轴向压缩载荷作用下，管材截面对凯夫拉纤维增强环氧聚合物复合材料管状结构屈曲特性的影响。一种简单的手工铺层技术被用于制作不同的复合管样品。拟静态压缩载荷下的预制管试样由圆形、方形和五边形三种不同截面组成。通过准静态破碎载荷测试不同几何形状对吸能性能和破碎特性的影响，并与常规铝管进行对比，验证了凯夫拉复合材料管状结构吸能性能的可行性。所提出的不同截面的凯夫拉复合材料管具有最佳的几何形状，以提高汽车碰撞应用中的能量吸收性能。

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Axial crushing behaviour of Kevlar polymer composite tubular structures under quasi-static compression

The present research article is aimed to study the impact of tube section on the buckling characteristics of Kevlar fabric reinforced epoxy polymer composite tubular structures exposed to quasi-static axial compressive load. A simple hand layup technique has been used in fabrication of the different composite tube specimens. Fabricated tube samples experimented under quasi-static compressive load consists of three different sections such as circular, square and pentagon. The effects of various geometry on the energy absorbing abilities and crushing characteristics were examined through quasi-static crushing load and the results are related with the conventional aluminium tube to validate the proficiency of Kevlar composite tubular structures for energy absorption application. The proposed Kevlar composite tube with different sections perceived the best geometry to improve the energy absorber performance in automotive collision applications.

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来源期刊

SEVENTH INTERNATIONAL SYMPOSIUM ON NEGATIVE IONS, BEAMS AND SOURCES (NIBS 2020)

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