Drop weight impact analysis of GFRP tubes with hollow glass particle-filled matrix

作     者：Daniel Paul R.Velmurugan N.K.Gupta Daniel Paul;R.Velmurugan;N.K.Gupta

作者机构：Department of Aerospace EngineeringIndian Institute of Technology MadrasChennaiIndia Department of Applied MechanicsIndian Institute of Technology DelhiNew DelhiIndia 

出 版 物：《Defence Technology（防务技术）》 (Defence Technology)

年 卷 期：2023年第29卷第11期

页      面：1-9页

核心收录：

学科分类：08[工学] 0801[工学-力学（可授工学、理学学位）] 

基　　金：supported by the Department of Science and Technology(DST India)through the Indo-Russian collaborative project scheme 

主　　题：Composite tubes Syntactic foam Impact Axial compression Digital image correlation 

摘      要：Protecting occupants or payloads in crashes and blasts is of utmost importance in both moving and immobile *** way of achieving this is by using a sacrificial energy *** tubes have been studied as potential energy absorbers due to their ability to fail progressively under axial *** this study,the energy absorption capability of these tubes is enhanced by adding hollow glass particles to the ***-weight tests are performed on composite tubes,and a digital image correlation(DIC)-based technique is used to capture their load-displacement *** eliminates the use of electronic data acquisition systems,load cells,and *** load-displacement curves of the tubes are obtained from the DIC-based technique and examined to understand their crushing *** the mean crush load shows a drop,an increase in crush length is *** specific energy absorbed by the tubes improves with an increase in GMB volume *** addition of 0.1,0.2,0.3 and 0.4 vol fractions of GMB results in the specific energy absorption increasing by6.6%,14.7%,24%and 36.6%,respectively,compared to neat glass fibre-epoxy *** examination of the tubes and comparison with tubes subject to quasi-static compression is also performed.