期刊
ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING
卷 -, 期 -, 页码 -出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s13369-023-08277-8
关键词
Aramid; GNP; Hybrid; Laminated composites; MWCNT; QSPST
This study conducted quasi-static punch shear tests on aramid fiber-reinforced composite laminates with different ratios of graphene nanoplatelets (GNP), carboxyl functionalized multi-walled carbon nanotubes, and their hybrid combinations. The results showed that the ogival punch geometry caused deformation at a higher load and reached the maximum load at a lower displacement compared to the conical punch. Incorporation of nanoparticles increased the energy required for complete penetration. The composite containing 0.2% GNP demonstrated the most significant increase in energy required for complete penetration with the conical punch configuration, while the 0.1% hybrid composite showed a substantial increase under the ogival punch configuration. The increase in support span-to-punch ratio did not significantly affect the energy required for complete penetration due to embrittlement caused by the nanoadditives.
In this study, quasi-static punch shear test was conducted on aramid fiber-reinforced composite (AFRC) laminates consisting of different ratios of graphene nanoplatelet (GNP), carboxyl (COOH) functionalized multi-walled carbon nanotube and their hybrid combinations. Two different punch nose geometries (conical and ogival) and two different support span-to-punch ratios (SPR = Ds/Dp = 2 and 4) were employed in the experiments. The results indicate that the ogival punch geometry causes deformation at a higher load while also reaching the maximum load at a lower displacement compared to the conical punch. Moreover, incorporation of nanoparticles increased the energy required for complete penetration compared to non-reinforced AFRC. In particular, the composite containing 0.2% GNP demonstrated the most significant increase in energy required for complete penetration, showing a remarkable 32.30% improvement with the conical punch configuration. Similarly, the 0.1% hybrid composite exhibited a substantial 42.13% increase in complete penetration energy under the ogival punch configuration. Although the energy required for complete penetration is expected to increase as the SPR ratio rises from 2 to 4, this trend is not particularly evident due to embrittlement caused by the nanoadditives.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据