Strain rate effect on progressive failure and tensile behaviour of Kevlar epoxy composites

被引：0
|
作者：
Ganesan C. [1 ]
Joanna P.S. [2 ]
Singh D. [1 ]
机构：
[1] School of Aeronautical Sci, Hindustan Institute of Tech. and Sci, Chennai, Tamil Nadu
[2] Dept. of Civil Engg, Hindustan Institute of Tech. and Sci, Chennai, Tamil Nadu
来源：
International Journal of Vehicle Structures and Systems | 2020年 / 12卷 / 04期
关键词：
Kevlar epoxy composites; Strain rate; Tensile behaviour;
D O I：
10.4273/ijvss.12.4.12
中图分类号：
学科分类号：
摘要：
This study investigates about the effect of different strain rates on the tensile behaviour of kevlar epoxy composites and progressive failure of kevlar epoxy composites under displacement controlled axial loading. A series of experimental tests were conducted under different strain rates to find out the tensile behaviour of kevlar epoxy composites. Two different strain rates 0.5mm/ min and 1.5mm/ min were applied to the kevlar epoxy specimen in order to understand the difference in mechanical properties and progressive failures of composites. Tensile strength increases with an increase in strain rates. Failure in kevlar epoxy composites is analysed under different stages for both 0.5mm/min and 1.5 mm/min. For all the tests, failure starts with matrix cracking followed by delamination and ends with fracture. © 2020. MechAero Foundation for Technical Research & Education Excellence.
引用
收藏
页码：417 / 420
页数：3
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