Finite Element Analysis on Drilling of Unidirectional Carbon Fiber Reinforced Plastic (CFRP)

Abstract:

Various kinds of damage may occur during the drilling of carbon fiber reinforced polymer composite (CFRP). To review the mechanism of CFRP drilling, a three-dimensional macro-mechanical finite element (FE) model was constructed for CFRP drilling based on FE software tool Abaqus. The workpiece was modeled as equivalent homogenous anisotropic material (EHAM) with elastic-failure behavior. Three-dimensional Hashin criterion was used to predict the material failure. The material was implemented in user subroutine VUMAT. The drilling process was analyzed and the thrust force with respect to cutting conditions was evaluated. The simulation shows that thrust force increase with feed rates while decrease with spindle speed, as agrees with experiment.

• Periodical: Applied Mechanics and Materials (Volume 455)
• Pages: 228-231
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.455.228
• Online since: November 2013
• Authors: Yan Li He*, Guo Peng Zhang, Jun Peng Xue
• Keywords: CFRP Laminate, Drilling, Finite Element, Hashin Damage

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