The DOI matches its Crossref record; 13 of the 13 references it cites were found in a registry or an index.
Surface decoration of carbon nanotubes and mechanical properties of cement/carbon nanotube composites
Abstract
The present study investigated the effects of the method of surface decoration on the wetability of multi-walled carbon nanotubes (MWCNTs) and the mechanical properties of the cement paste incorporating these dispersions. The results showed that stable and homogenous dispersions of MWCNTs in water can be obtained by using surface functionalisation combined with decoration using polyacrylic acid polymers. The cement paste specimens incorporating these dispersions revealed good workability and an increase in the compressive strength of nearly 50% even with only a small addition of the MWCNTs, namely 0·045–0·15% of the cement weight. These results indicate the existence of chemical bonds between the OH groups of the functionalised MWCNTs and probably the CSH phase of the cement matrix, which enhanced the transfer of stresses. A second method that was studied included decoration of MWCNTs with polyacrylic acid polymers and gum Arabic. These dispersions appeared to be homogeneous only for approximately 2 h after which a progressive sedimentation occurred. Good workability was found for the cement pastes produced with all of the dispersions; the only significant difference being the slower hydration of the cement incorporating gum Arabic. The mechanical properties of the cement pastes incorporating MWCNTs treated with polyacrylic polymers were unchanged.
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Reinforcing Effects of Graphene Oxide on Portland Cement Paste
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A critical review on research progress of graphene/cement based composites
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Metadata
- Authors
- Cwirzen, A., Habermehl-Cwirzen, K., & Penttala, V.
- Venue
- Advances in Cement Research
- Publisher
- Emerald
- Published
- 2008-04
- Volume
- 20
- Issue
- 2
- Pages
- 65-73
- ISSN
- 0951-7197 (ISSN-L)
- 1751-7605
- OpenAlex
- W2023800367
- Cited by
- 411
- References
- 13
- FWCI
- 28.20
- Type
- journal article
- Language
- en
- Open access
- closed
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- Cwirzen, A., Habermehl-Cwirzen, K., & Penttala, V. (2008). Surface decoration of carbon nanotubes and mechanical properties of cement/carbon nanotube composites. Advances in Cement Research. https://doi.org/10.1680/adcr.2008.20.2.65
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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