Simulating the effects of carbon nanotube continuity and interfacial bonding on composite strength and stiffness.

ABSTRACT: Molecular dynamics simulations of carbon nanotube (CNT) composites, in which the CNTs are continuous across the periodic boundary, overestimate the experimentally measured mechanical properties of CNT composites along the fiber direction. Since the CNTs in these composites are much shorter than the composite dimensions, load must be transferred either directly between CNTs or through the matrix, a mechanism that is absent in simulations of effectively continuous CNTs. In this study, the elastic and fracture properties of high volume fraction discontinuous carbon nanotube/amorphous carbon composite systems were compared to those of otherwise equivalent continuous CNT composites using ReaxFF reactive molecular dynamics simulations. These simulations were used to show how the number of nanotu

SUBMITTER: Jensen BD 

PROVIDER: S-EPMC6662213 | biostudies-literature | 2018 Sep

REPOSITORIES: biostudies-literature