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Microstructure and mechanical properties of carbon nanotube reinforced cementitious composites developed using a novel dispersion technique
Abstract
The present paper reports the first attempt of developing carbon nanotube (CNT) reinforced cement composites through a short dispersion route using Pluronic F-127 as a novel dispersing agent. Optimum concentrations of Pluronic for various types of CNT were determined, and the influences of Pluronic and CNT on the microstructure and mechanical properties of cementitious composites were thoroughly investigated. Pluronic with optimized defoamer concentration significantly improved the bulk density and mechanical properties of cement mortar. Further, dispersion of 0.1% single walled nanotube (SWNT) improved flexural modulus of mortar by 72% and flexural and compressive strengths by 7% and 19%, respectively after 28 days of hydration. Flexural and compressive strengths with functionalized SWNT increased with the hydration period up to 17% and 23% after 56 days, respectively. All CNT reinforced samples exhibited significantly higher stiffness, fracture energy and ductility as compared to plain mortar and composite samples prepared using a common surfactant.
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Citations
Cited by
Jung, M., Lee, Y.-S., Hong, S.-G., & Moon, J. (2020) · Cement and Concrete Research · doi:10.1016/j.cemconres.2020.106017 · Cited by 348
Chen, L., & Tang, Y. (2026) · Structural Concrete · doi:10.1002/suco.70305 · Cited by 2
Metadata
- Authors
- Parveen, S., Rana, S., Fangueiro, R., & Paiva, M. C.
- Venue
- Cement and Concrete Research
- Publisher
- Elsevier BV
- Published
- 2015-07
- Volume
- 73
- Pages
- 215-227
- ISSN
- 0008-8846 (ISSN-L)
- OpenAlex
- W2045234015
- Cited by
- 331
- References
- 0
- FWCI
- 31.92
- Type
- journal article
- Language
- en
- Open access
- closed
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- Parveen, S., Rana, S., Fangueiro, R., & Paiva, M. C. (2015). Microstructure and mechanical properties of carbon nanotube reinforced cementitious composites developed using a novel dispersion technique. Cement and Concrete Research. https://doi.org/10.1016/j.cemconres.2015.03.006
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
