NUMERICAL ANALYSIS AND EXPERIMENTAL VERIFICATION OF LOW-VELOCITY IMPACT OFCOMPOSITE LAMINATES BASED ON PUCK′S FAILURE CRITERION

doi:10.19936/j.cnki.2096-8000.20210628.003

Abstract

Abstract: A numerical simulation analysis method for impact damage of composite laminates was developed, and an analysis model for low-velocity impact was established. The failure modes such as fiber damage, matrix damage, and interlayer damage were considered in the model, Puck failure criterion based on physical failure modes was adopted to predict the damage initiation and the stiffness degradation method based on the fracture strain energy was used to predict the damage evolution process. The impact resistance tests of T300, T700 and T800 carbon fiber reinforced laminates were carried out, and the law of the influence of fiber and resin properties on the impact resistance of laminates was obtained. The comparison between simulation results and test results shows that the developed numerical analysis method for low-velocity impact damage analysis of composite laminates has high accuracy.

Key words: composite laminates; low-velocity impact; failure criteria; progressive damage; finite element analysis

CLC Number:

TB332

LI Lei, SONG Gui-bin, ZHENG Hua-yong, CHENG Peng-fei, ZHAO Jian. NUMERICAL ANALYSIS AND EXPERIMENTAL VERIFICATION OF LOW-VELOCITY IMPACT OFCOMPOSITE LAMINATES BASED ON PUCK′S FAILURE CRITERION[J]. COMPOSITES SCIENCE AND ENGINEERING, 2021, 0(6): 20-25.

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