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Effect of interphase percolation on mechanical behavior of nanoparticle-reinforced polymer nanocomposite with filler agglomeration: A multiscale approach

Title
Effect of interphase percolation on mechanical behavior of nanoparticle-reinforced polymer nanocomposite with filler agglomeration: A multiscale approach
Author
최준명
Keywords
MOLECULAR-DYNAMICS SIMULATION; HOMOGENIZATION METHOD; COMPOSITES; MODEL; DISPERSION; STRESS; SIZE
Issue Date
2015-08
Publisher
ELSEVIER SCIENCE BV
Citation
CHEMICAL PHYSICS LETTERS, v. 635, Page. 80-85
Abstract
The degradation mechanism of mechanical properties of a polymer nanocomposite consisting of agglomerating fillers is elucidated. It is found that overall elastic moduli of nanocomposites obtained through molecular dynamics simulation decreases according to agglomeration of the two embedded nanoparticles, which prevent efficient formation of interphase zone. Meanwhile, no prominent local field fluctuation by the agglomeration is observed. A percolation-related interphase model based on multiscale mathematical homogenization method is thus proposed to describe the degradation of nanocomposites in terms of the properties and overlap of interphase zone. Extensibility of the proposed model to a polydisperse nanoparticulate composites model is also confirmed. (C) 2015 Elsevier B.V. All rights reserved.
URI
https://www.sciencedirect.com/science/article/pii/S000926141500473Xhttps://repository.hanyang.ac.kr/handle/20.500.11754/100598
ISSN
0009-2614; 1873-4448
DOI
10.1016/j.cplett.2015.06.054
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > MECHANICAL ENGINEERING(기계공학과) > Articles
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