Abstract
In this study, we developed a multiscale model for predicting the fatigue crack growth behavior of carbon nanofiber (CNF)/epoxy nanocomposites. Here, we focus on considering the effect of experimentally observed microscopic toughness mechanisms (CNF debonding, subsequent plastic nanovoid growth, and pull-out of CNFs) to predict the fatigue crack growth behavior of CNF/epoxy nanocomposites. The predictions of the multiscale model exhibited a high degree of conformity with experimental data. The results of this study are expected to elucidate the complex phenomenon of fatigue crack growth in nanocomposites with randomly distributed CNFs and provide highly accurate predictions.
Published Version
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