期刊
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
卷 9, 期 1, 页码 22-32出版社
ELSEVIER
DOI: 10.1016/j.jmrt.2019.10.025
关键词
Polymer/carbon nanotubes; nanocomposites; Filler network; Interphase; Tensile modulus; Modeling
In this work, two models for the tensile modulus of composites and blends are joined, assuming the dispersion and networking of carbon nanotubes (CNTs) and the interphases around CNTs in polymer nanocomposites after the percolation threshold. Equations are given to express the percolation threshold, the network fraction, and the fractions of interphases in the nanocomposites. The suggested model predicts the tensile modulus in several samples, and the roles and efficiencies of all parameters in the nanocomposite modulus are determined. CNT radius (R) and interphase thickness (t) as well as the modulus (E-iN) and volume fraction (phi(iN)) of the interphase surrounding the CNT network have the most important influences on the modulus; R =10 nm and t= 35 nm produced a 400% improvement in the modulus of nanocomposite compared to the neat polymer matrix. (C) 2019 Published by Elsevier B.V.
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