Low Speed Impact and Compression Properties of Epoxy Based Carbon Fiber Composite Modified by Different Particles
WANG Sen1, LAI Jiamei1, RUAN Jinqi1, HU Genquan1, HUANG Zhichao2
1 Polymer Processing Research Laboratory, School of Mechanical and Electric Engineering, Nanchang University, Nanchang 330031, China; 2 Key Laboratory for Conveyance and Equipment of the Ministry of Education, East China Jiaotong University, Nanchang 330013, China
Abstract: Epoxy resin was modified by single-layer nano graphene oxide (GO), nano SiO2 and ceramic powder particles. Carbon fiber reinforced composite (CFRP) laminates were prepared by vacuum assisted resin transfer molding (VARTM) process at three ply angles of [±45/0/90]S, [908]T, [08]T respectively. Through drop hammer impact test, ultrasonic C scan test and post-impact compression test, experimental research on different particle modified CFRP was carried out. The results show that nano-particle modification can significantly improve the impact resis-tance and post-impact compression performance of CFRP. Compared with other ply angles, [±45/0/90]S ply CFRP effectively inhibits the propagation of impact cracks, and the maximum impact load and post-impact compression strength of the [±45/0/90]S ply laminate modified by single-layer nano GO reach 3 470 N and 124.8 MPa respectively, with an impact damage area of only 580 mm2. Compared with the same kind of laminate without particle modification, the maximum impact load and the compressive strength after impact are increased by 30%, 47.3% and the impact damage area is reduced by 15.5%.
王森, 赖家美, 阮金琦, 胡根泉, 黄志超. 不同粒子改性环氧树脂基碳纤维复合材料低速冲击及冲击后压缩性能[J]. 材料导报, 2021, 35(2): 2178-2184.
WANG Sen, LAI Jiamei, RUAN Jinqi, HU Genquan, HUANG Zhichao. Low Speed Impact and Compression Properties of Epoxy Based Carbon Fiber Composite Modified by Different Particles. Materials Reports, 2021, 35(2): 2178-2184.
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