Estimation of Impact Strength of Kevlar/Basalt and Kevlar/Glass Interwoven Composite Laminate after High-Velocity Bullet Impact

4区材料科学 Q2 Engineering Advances in Materials Science and Engineering Pub Date : 2023-11-20 DOI:10.1155/2023/8933844

J. Jensin Joshua, Dalbir Singh, Y. Murali Krishna, P. Sivaprakasam, D. Raja Joseph, P. S. Venkatanarayanan

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Abstract

The application of composite materials has increased so drastically in the aerospace industry. The Impact strength signifies the importance of composite materials when exposed to suddenly applied loads. This paper is focused on describing the behavior of interwoven kevlar/glass-epoxy and kevlar/basalt-epoxy composite laminate under high-velocity bullet impact. The composite lamina of kevlar/glass and that of kevlar/basalt are prepared using three different weaving techniques. The composite laminates are prepared using the compression moulding technique. The laminates have been subjected to high-velocity bullet impact. The velocity range is from 220 m/s to 260 m/s. The impact damage area in the laminate has been assessed through ultrasonic pulse echo submerged nondestructive technique. The impact strength has been calculated using the damaged area derived using the impact energy absorbed by the laminate. The results have shown that the maximum impact which found out to be kevlar/basalt (KB 1 × 1) is 28.24 J/cm².

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凯夫拉/玄武岩及凯夫拉/玻璃交织复合层压板高速弹丸冲击强度估算

复合材料在航空航天工业中的应用急剧增加。冲击强度表明复合材料在受到突然施加的载荷时的重要性。本文主要研究了凯夫拉/玻璃-环氧复合材料和凯夫拉/玄武岩-环氧复合材料层合板在高速子弹冲击下的性能。采用三种不同的织造工艺制备了芳纶/玻璃复合层和芳纶/玄武岩复合层。采用压缩成型技术制备复合材料层压板。层压板经受了高速子弹的冲击。速度范围为220 ~ 260米/秒。采用超声脉冲回波淹没无损技术对层合板的冲击损伤区域进行了评估。冲击强度的计算是利用层合板吸收的冲击能量得到的损伤面积。结果表明，凯夫拉/玄武岩(KB 1 × 1)的最大冲击为28.24 J/cm2。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Advances in Materials Science and Engineering Materials Science-General Materials Science

CiteScore

3.30

自引率

0.00%

发文量

审稿时长

4-8 weeks

期刊介绍： Advances in Materials Science and Engineering is a broad scope journal that publishes articles in all areas of materials science and engineering including, but not limited to: -Chemistry and fundamental properties of matter -Material synthesis, fabrication, manufacture, and processing -Magnetic, electrical, thermal, and optical properties of materials -Strength, durability, and mechanical behaviour of materials -Consideration of materials in structural design, modelling, and engineering -Green and renewable materials, and consideration of materials’ life cycles -Materials in specialist applications (such as medicine, energy, aerospace, and nanotechnology)