劈裂霍普金森压力棒对玻璃纤维增强聚合物复合材料应变速率的影响

IF 2 3区材料科学 Q2 ENGINEERING, MECHANICAL

Surface Topography: Metrology and Properties Pub Date : 2023-10-16 DOI:10.1088/2051-672x/ad00ce

Jitendra Basrani, Manoj Kumar, Pramod Kumar

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引用次数: 0

摘要

摘要本研究的目的是研究玻璃纤维增强聚合物(GFRP)复合材料在[0°/90°]s、[±45]s、[0°/+45°/−45°/90°]T三种不同取向下的应力应变行为。为了实现这一点，使用ABAQUS/CAE中的Split Hopkinson Bar (SHPB)设置对GFRP进行了模拟。在三种不同的速度下(9.7 m s−1、12.7 m s−1和14.3 m s−1)使用冲击杆，产生的应变率范围从1000 s−1到2000 s−1。考虑GFRP复合材料的应力-应变特性，对其动力响应进行了研究。通过完整的应力应变曲线分析了应变率对玻璃钢复合材料弹性模量和吸能能力的影响。结果表明:GFRP复合材料的弹性模量和吸能能力对应变速率敏感，应变速率的增大导致弹性模量和吸能能力的增大;

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Effect of strain rate on glass fiber reinforced polymer composite using split hopkinson pressure bar

Abstract The aim of this study is to examine the stress–strain behavior of Glass Fibre Reinforced Polymer (GFRP) composite with three different orientations, namely [0°/90°]s, [±45]s, [0°/+45°/−45°/90°] T . To achieve this, the GFRP was simulated using the Split Hopkinson Bar (SHPB) setup in ABAQUS/CAE. The striker bar was used at three different velocities (9.7 m s −1 , 12.7 m s −1 , and 14.3 m s −1 ) to produce strain rates ranging from 1000 s −1 to 2000 s −1 . The dynamic response of the GFRP composite was studied by considering its stress–strain behavior. The effect of strain rate on the elastic modulus and energy absorption capacity of GFRP laminates was analyzed through complete stress versus strain curves. The results showed that the elastic modulus and energy absorption capacity of GFRP laminates were sensitive to strain rates, with an increase in strain rate leading to an increase in the elastic modulus and energy absorption capacity.

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来源期刊

Surface Topography: Metrology and Properties Materials Science-Materials Chemistry

CiteScore

4.10

自引率

22.20%

发文量

183

期刊介绍： An international forum for academics, industrialists and engineers to publish the latest research in surface topography measurement and characterisation, instrumentation development and the properties of surfaces.