Abstract
Tandon–Weng model based on Mori–Tanaka idea for tensile modulus of conventional composites is currently used for various polymer nanocomposites, but some complex terms in this model may limit the calculations. In this article, this model is simplified and developed for ternary polymer nanocomposites containing layered and spherical nanofillers. The calculations of developed model are compared with the experimental results and the trends between experimental data and the predictions are explained. The developed model shows that some parameters such as tensile modulus of nanoparticles cannot significantly affect the tensile modulus of binary and ternary nanocomposites, due to its very high level.
Highlights
IntroductionThe significant properties of nanostructures relative to conventional materials have attracted a great deal of interest over the last years [16]
The suggested equations are applied to calculate the tensile modulus in some reported samples from the literature and the own prepared ternary samples
It can be concluded that the MoriTanaka model generally underpredicts the tensile modulus of the spherical-nanoparticles reinforced nanocomposites, i.e. the experimental data are higher than the theoretical predictions
Summary
The significant properties of nanostructures relative to conventional materials have attracted a great deal of interest over the last years [16]. With the recent progress in nanotechnology, it was reported that the filler size can cause unexpected behavior. The nanoparticles show a very high level of tensile modulus and their low amounts can cause high stiffening effect in the polymer nanocomposites [7]. The prediction of nanocomposites behavior can help the development and optimization of nanocomposites which will result in the obtaining of desired properties in the final products. Many authors have applied the conventional models suggested for different types of microcomposites for polymer nanocomposites.
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