Delamination Analysis in Drilling Carbon Fiber-Reinforced Composites

Abstract:

Due to its excellent performance, carbon fiber-reinforced plastics (CFRP) have been widely applied in industrial applications. The phenomenon of delamination can readily occur when drilling CFRP composites, which affects the quality of drilling holes. To effectively control the generation of processing defects, this paper focused on the analysis of the thrust force and the delamination factor. The delamination analysis was performed using graphs of the spindle speed, feed rate and drill diameter as independent parameters. The results suggest that there was a positive correlation between the delamination factor F_d and the thrust force F_z. The delamination factor decreases with increases in the spindle speed and increases with increases in the feed rate or with increases in the drill diameter. Based on the experimental data, this paper established a formula model of the delamination factor F_d, which would promote the further study of drilling CFRP composites.

• Periodical: Applied Mechanics and Materials (Volume 697)
• Pages: 62-66
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.697.62
• Online since: November 2014
• Authors: Hong Fei Wang, Hua Zhou Li, Long Sheng Lu*, Ying Xi Xie, Yu Xiao
• Keywords: Carbon Fiber-Reinforced Plastics, Delamination, Drilling, Thrust Force

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