The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
Effect of nanosilica-based activators on the performance of an alkali-activated fly ash binder
Open accessAbstract
Abstract This paper assesses the effect of the use of an alternative activator based on nanosilica/MOH (M = K + or Na + ) blended solutions on the performance of alkali-activated fly ash binders. Binders produced with commercial silicate activators display a greater degree of reaction, associated with increased contents of geopolymer gel; however, mortars produced with the alternative nanosilica-based activators exhibited lower water demand and reduced permeability, independent of the alkali cation used. Na-based activators promote higher compressive strength compared with K-based activators, along with a refined pore structure, although K-activated samples exhibit reduced water demand. Zeolite type products are the major crystalline phases formed within these binders. A wider range of zeolites is formed when using commercial silicate solutions compared with the alternative activators. These results suggest that there are variations in the availability of Si in the system, and consequently in the alkalinity, depending on the silicate source in the activator, which is important in determining the nanostructure of the geopolymer gel.
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Cites
Costs and carbon emissions for geopolymer pastes in comparison to ordinary portland cement
McLellan, B. C., Williams, R. P., Lay, J., van Riessen, A., & Corder, G. D. (2011) · Journal of Cleaner Production · doi:10.1016/j.jclepro.2011.02.010 · Cited by 1,949
Determination of the reactive component of fly ashes for geopolymer production using XRF and XRD
Williams, R. P., & van Riessen, A. (2010) · Fuel · doi:10.1016/j.fuel.2010.07.031 · Cited by 200
Cited by
Beneficial role of nanosilica in cement based materials – A review
Singh, L. P., Karade, S. R., Bhattacharyya, S. K., Yousuf, M. M., & Ahalawat, S. (2013) · Construction and Building Materials · doi:10.1016/j.conbuildmat.2013.05.052 · Cited by 708
Xu, G., & Shi, X. (2018) · Resources, Conservation and Recycling · doi:10.1016/j.resconrec.2018.04.010 · Cited by 521
Sulfuric acid resistance of blended ash geopolymer concrete
Ariffin, M. A. M., Bhutta, M. A. R., Hussin, M. W., Mohd Tahir, M., & Aziah, N. (2013) · Construction and Building Materials · doi:10.1016/j.conbuildmat.2013.01.018 · Cited by 488
Sol-Gel processing of silica nanoparticles and their applications
Singh, L. P., Bhattacharyya, S. K., Kumar, R., Mishra, G., Sharma, U., Singh, G., & Ahalawat, S. (2014) · Advances in Colloid and Interface Science · doi:10.1016/j.cis.2014.10.007 · Cited by 428
Geopolymer-zeolite composites: A review
Rożek, P., Król, M., & Mozgawa, W. (2019) · Journal of Cleaner Production · doi:10.1016/j.jclepro.2019.05.152 · Cited by 361
Metadata
- Authors
- Rodríguez, E. D., Bernal, S. A., Provis, J. L., Paya, J., Monzo, J. M., & Borrachero, M. V.
- Venue
- Cement and Concrete Composites
- Publisher
- Elsevier BV
- Published
- 2013-01
- Volume
- 35
- Issue
- 1
- Pages
- 1-11
- ISSN
- 0958-9465 (ISSN-L)
- OpenAlex
- W1999203831
- Cited by
- 214
- References
- 2
- FWCI
- 21.16
- Type
- journal article
- Language
- en
- Open access
- green
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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.
