Mechanical properties of MWCNT-reinforced polymeric composites

Yi-Wei Chang; N. Yu

doi:10.1117/12.638560

19 January 2006 Mechanical properties of MWCNT-reinforced polymeric composites

Yi-Wei Chang, N. Yu

Proceedings Volume 6036, BioMEMS and Nanotechnology II; 60360B (2006) https://doi.org/10.1117/12.638560
Event: Microelectronics, MEMS, and Nanotechnology, 2005, Brisbane, Australia

Abstract

Due to its excellent stiffness and strength, carbon nanotubes (CNTs) are considered as candidates for reinforcement in composites. In the present work, the epoxy resin is used as the matrix whereas multi-walled carbon nanotubes (MWCNTs) with various diameters are used as the reinforcement. The composite is subjected to uniaxial tension and the effects of CNT weight fraction and CNT diameter on the mechanical properties of the composite are studied. Micromechanics models are employed to predict the Young modulus of MWCNT-reinforced composites. The predicted Young moduli are benchmarked with the experimental data of MWCNT-reinforced composites. The Young modulus and tensile strength of epoxy containing 5 wt% MWCNTs with a diameter less than 20 nm increase from 2.83 GPa and 25.67 MPa of pure epoxy to 4.56 GPa and 52.89 MPa, respectively.

Citation Download Citation

Yi-Wei Chang and N. Yu "Mechanical properties of MWCNT-reinforced polymeric composites", Proc. SPIE 6036, BioMEMS and Nanotechnology II, 60360B (19 January 2006); https://doi.org/10.1117/12.638560

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