EXPERIMENTAL STUDY ON LOW SPEED IMPACT PROPERTIES OF PLAIN FABRIC HYBRID FIBER-REINFORCED PLASTICS

Abstract

Abstract: In this paper, four kinds of plain weave fibre reinforced laminates with different hybrid modes are prepared by vacuum induction process with glass fibre, carbon fibre, aramid fibre and vinyl ester resin. A pendulum impact experiment is carried out and compared with the simulation results by finite element simulation software Abaqus. The results show that pure glass fiber specimens suffer the greatest impact force and have the worst energy absorption effect under low-speed impact load. When carbon fiber/aramid fiber is mixed, the impact force and energy absorption effect are improved. Among them, G₂/A₄/G₂ sample has the best cushioning effect, and the impact force is reduced by 54.4%. C₂/G₄/C₂ sample has the best energy absorption effect, and the energy absorption is increased by 34.1%. Abaqus simulation results are close to the experimental results, which can better reflect the damage process of composite materials.

Key words: Hybrid Fiber-Reinforced Plastics, pendulum impact experiment, finite element simulation, impact force, energy absorption

CLC Number:

TB332

SU bo, ZHANG tuan, YU Guo-jun, GE jing. EXPERIMENTAL STUDY ON LOW SPEED IMPACT PROPERTIES OF PLAIN FABRIC HYBRID FIBER-REINFORCED PLASTICS[J]. Composites Science and Engineering, 2019, 0(11): 58-63.

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