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Piezoresistive behaviour of additively manufactured multi-walled carbon nanotube/thermoplastic polyurethane nanocomposites
Cited 25 time in
Web of Science
Cited 29 time in Scopus
- Authors
- Issue Date
- 2019-08
- Publisher
- MDPI Open Access Publishing
- Citation
- Materials, Vol.12 No.16, p. 2613
- Abstract
- To develop highly sensitive flexible pressure sensors, the mechanical and piezoresistive properties of conductive thermoplastic materials produced via additive manufacturing technology were investigated. Multi-walled carbon nanotubes (MWCNTs) dispersed in thermoplastic polyurethane (TPU), which is flexible and pliable, were used to form filaments. Specimens of the MWCNT/TPU composite with various MWCNT concentrations were printed using fused deposition modelling. Uniaxial tensile tests were conducted, while the mechanical and piezoresistive properties of the MWCNT/TPU composites were measured. To predict the piezoresistive behaviour of the composites, a microscale 3D resistance network model was developed. In addition, a continuum piezoresistive model was proposed for large-scale simulations.
- ISSN
- 1996-1944
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