A probabilistic micromechanical modeling for electrical properties of nanocomposites with multi-walled carbon nanotube morphology

Title
A probabilistic micromechanical modeling for electrical properties of nanocomposites with multi-walled carbon nanotube morphology
Authors
김성륜양범주장지운임승현
Keywords
복합소재; Composite; 모델링; probabilistic micromechanical modeling; 전기전도도; Electrical conductivity; 탄소나노튜브; Carbon nannotube; 비파괴분석; Non-destructive analysis
Issue Date
2017-01
Publisher
Composites. Part A, Applied science and manufacturing
Citation
VOL 92-117
Abstract
The nanoscopic characteristics of the multi-walled carbon nanotubes (MWCNTs) used in composites are crucial for attempting to understand and design nanocomposites of a novel class. We investigate the correlations between the nanofiller properties and effective electrical properties of MWCNT-embedded polycarbonate composites by theoretical and experimental approaches. A probabilistic computational model is proposed to predict the influence of MWCNT morphology on the electrical behaviors of MWCNTs-embedded polymer composites. A parameter optimization method in accordance with a genetic algorithm is then applied to the model, resulting that the ideal sets of model constant for the simulation are computationally estimated. For the experimental validation purpose, a comparison between the present theoretical and experimental results is made to assess the capability of the proposed methods. In overall, good agreement between the predictions and experimental results can be observed and the electrical performance of the composites can be improved as the MWCNT length increases.
URI
http://pubs.kist.re.kr/handle/201004/64918
ISSN
1359-835X
Appears in Collections:
KIST Publication > Article
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