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Prediction of the Interfacial Properties of High-Performance Polymers and Flattened CNT-Reinforced Composites Using
Prathamesh P Deshpande1, Matthew S Radue1, Prashik Gaikwad1
1Michigan Technological University, 1400 Townsend Drive, Houghton, Michigan 49931, United States.
Abstract:
The next generation of ultrahigh-strength composites for structural components of vehicles for manned missions to deep space will likely incorporate flattened carbon nanotubes (flCNTs). With a wide range of high-performance polymers to choose from as the matrix component, efficient and accurate computational modeling can be used to efficiently downselect compatible resins and provide critical physical insight into the flCNT/polymer interface. In this study, molecular dynamics simulation is used to predict the interaction energy, frictional sliding resistance, and mechanical binding of flCNT/polymer interfaces for epoxy, bismaleimide (BMI), and benzoxazine high-performance resins. The results indicate that BMI has a stronger interfacial interaction and transverse tension binding with flCNT interfaces, while benzoxazine demonstrates the strongest levels of interfacial friction resistance.
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