Study and Simulation for the Effect of Interface Microstructure on the Press Forming of
Thermoplastic Composite Laminate
H. Wu, Henan University of Technology, Zhengzhou, China
Z. Guo, Marlboro College, Marlboro, USA
W. Ba, Henan University of Technology, Zhengzhou, China
Insufficient interface strength between polymer matrix and carbon fiber (CF) is the main reason that causes damage of composites, especially thermoplastic composites. In this paper, we discussed a method for improving the interface strength of the composites by coating carbon nanotube (CNT) hybrid graphene onto the CF. We studied how the interface microstructure changed during press forming of the composites, and we found that dendritic interface morphology might prevent the inter-ply debond of the laminate which was relevant to the thickness and the stretchability of the interface layer. Hybrid graphene with CNTs presents better strengthening effect on the composites due to easily forming dendritic interface morphology. Based on the findings, we simulated various effects interface microstructure has on the press forming of CF-reinforced PA6 laminate.
ITHEC 2016 Manuscript P14
Publication date: 28.10.2016
Manuscript P14 published in Conference Proceedings ITHEC 2016
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