The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Structure of Calcium Silicate Hydrates Formed in Alkaline‐Activated Slag: Influence of the Type of Alkaline Activator
Abstract
The influence of the alkaline activator (NaOH, waterglass, or Na 2 CO 3 ) on the structure of the hydrated calcium silicate formed in alkali‐activated slag (AAS) cement pastes has been investigated by FTIR, 29 Si and 27 Al magic‐angle scattering nuclear magnetic resonance, and TEM/EDX techniques. In all cases, the main product formed after 7 d of activation, with activators giving an Na 2 O concentration of 4%, is a semicrystalline calcium silicate hydrate with a dreierkette‐type anion. In these structures, linear finite chains of silicate tetrahedra ( Q 2 units) are linked to central Ca‐O layers, and tetrahedral aluminum occupies bridging positions in the chains. The main chain length and the amount of aluminum incorporated in the tetrahedral chains depend on the activator used. The detection of Q 3 silicon entities in alkaline‐activated slags is discussed in relation to the possible formation of cross‐linked structures that may be responsible for increased flexural and compressive strengths in AAS mortars.
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Citations
Cites
Hydration products of alkali activated slag cement
Wang, S.-D., & Scrivener, K. L. (1995) · Cement and Concrete Research · doi:10.1016/0008-8846(95)00045-e · Cited by 997
Cited by
New cements for the 21st century: The pursuit of an alternative to Portland cement
Shi, C., Jiménez, A. F., & Palomo, A. (2011) · Cement and Concrete Research · doi:10.1016/j.cemconres.2011.03.016 · Cited by 1,691
Bernal, S. A., Provis, J. L., Walkley, B., San Nicolas, R., Gehman, J. D., Brice, D. G., Kilcullen, A. R., Duxson, P., & van Deventer, J. S. J. (2013) · Cement and Concrete Research · doi:10.1016/j.cemconres.2013.06.007 · Cited by 1,019
Myers, R. J., Bernal, S. A., San Nicolas, R., & Provis, J. L. (2013) · Langmuir · doi:10.1021/la4000473 · Cited by 579
Walkley, B., San Nicolas, R., Sani, M.-A., Rees, G. J., Hanna, J. V., van Deventer, J. S. J., & Provis, J. L. (2016) · Cement and Concrete Research · doi:10.1016/j.cemconres.2016.08.010 · Cited by 544
A review on alkaline activation: New analytical perspectives
Palomo, A., Krivenko, P., Garcia-Lodeiro, I., Kavalerova, E., Maltseva, O., & Fernández-Jiménez, A. (2014) · Materiales de Construcción · doi:10.3989/mc.2014.00314 · Cited by 501
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Metadata
- Authors
- Fernández‐Jiménez, A., Puertas, F., Sobrados, I., & Sanz, J.
- Venue
- Journal of the American Ceramic Society
- Publisher
- Wiley
- Published
- 2003-08
- Volume
- 86
- Issue
- 8
- Pages
- 1389-1394
- ISSN
- 0002-7820 (ISSN-L)
- 1551-2916
- OpenAlex
- W1999910970
- Cited by
- 481
- References
- 1
- FWCI
- 20.85
- Type
- journal article
- Language
- en
- Open access
- closed
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- The paper
- Fernández‐Jiménez, A., Puertas, F., Sobrados, I., & Sanz, J. (2003). Structure of Calcium Silicate Hydrates Formed in Alkaline‐Activated Slag: Influence of the Type of Alkaline Activator. Journal of the American Ceramic Society. https://doi.org/10.1111/j.1151-2916.2003.tb03481.x
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