Study on interface behavior of 3D composites reinforced with chemically connected CNTs using molecular dynamics

Lin Yang; Xiaodong He; Liyong Tong

doi:10.1117/12.839957

20 October 2009 Study on interface behavior of 3D composites reinforced with chemically connected CNTs using molecular dynamics

Lin Yang, Xiaodong He, Liyong Tong

Author Affiliations +

Proceedings Volume 7493, Second International Conference on Smart Materials and Nanotechnology in Engineering; 74931R (2009) https://doi.org/10.1117/12.839957
Event: Second International Conference on Smart Materials and Nanotechnology in Engineering, 2009, Weihai, China

Abstract

In this study, we used several molecular dynamic models to simulate the pull-out process of a carbon nanotube (CNT) that is assumed to be chemically connected to a carbon fiber, and to calculate the CNTs' geometry variation, displacement, energy and stress during this process. In the simulation, the CNTs' elongation and necking phenomena have been noted prior to the movement of the CNT's end embedded in resin. The simulation yields a CNT's plastic constitutive model in the pull-out process. The fracture resistance capability of a chemically connected CNT is then discussed. In the simulation of shearing, the prediction of the CNTs' capability of shear resistance has been conducted. Finally, by comparing the experiment result with the simulation, we predict the amido link break before the CNT pull-out in the shearing test.

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Lin Yang, Xiaodong He, and Liyong Tong "Study on interface behavior of 3D composites reinforced with chemically connected CNTs using molecular dynamics", Proc. SPIE 7493, Second International Conference on Smart Materials and Nanotechnology in Engineering, 74931R (20 October 2009); https://doi.org/10.1117/12.839957

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