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Atomistically-informed Continuum Modeling of Damage Mechanisms in Radially-Grown CNT Nanocomposites
Abstract
A micromechanical modeling framework that integrates an interphase damage model is used to study damage evolution, and failure in radially-grown carbon nanotube (CNT) reinforced nanocomposites. The atomistically-informed damage model is developed using the continuum damage mechanics approach with damage evolution equations derived using molecular dynamics simulations. The developed damage model is integrated with a high-fidelity micromechanical analysis and captures the underlying physical behavior that could be attributed to the enhancement of the out-ofplane properties at the higher length scales. To illustrate the effects of nanoarchitecture, the response of the radially-grown CNT nanocomposite is compared with that of the traditional carbon fiber reinforced polymer (CFRP) composite.
Keywords
carbon nanotubes, damage mechanics, multiscale modelingText
DOI
10.12783/asc33/26062
10.12783/asc33/26062
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