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Piezoresistive modelling of CNTs reinforced composites under mechanical loadings
- Authors
- Fang, Yuan; Li, Long-Yuan; Jang, Sung-Hwan
- Issue Date
- May-2021
- Publisher
- Pergamon Press Ltd.
- Keywords
- Carbon nanotubes; Composites; Electrical conductivity; Piezo-resistivity; Strain
- Citation
- Composites Science and Technology, v.208, pp 1 - 7
- Pages
- 7
- Indexed
- SCIE
SCOPUS
- Journal Title
- Composites Science and Technology
- Volume
- 208
- Start Page
- 1
- End Page
- 7
- ISSN
- 0266-3538
1879-1050
- Abstract
- This paper presents an analytical model to describe the influence of mechanical deformation on the effective electrical conductivity of CNTs reinforced composites. The model shows that the effect of mechanical strain on the effective electrical conductivity of CNTs reinforced composites are via two mechanisms; one is the strain-induced alteration of volume fraction of inclusions and the other is the strain-induced change of the tunnelling electrical conductivity of inclusions. Analytical formulations are developed for calculating the dependence of the effective electrical conductivity of the composite on the mechanical strain. The model is validated by using experimental data published in literature for CNTs reinforced polymer composites. © 2021 Elsevier Ltd
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Related Researcher
- Jang, Sung Hwan
- ERICA 공학대학 (DEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING)