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International Journal of Innovation and Applied Studies
ISSN: 2028-9324     CODEN: IJIABO     OCLC Number: 828807274     ZDB-ID: 2703985-7
 
 
Sunday 18 November 2018

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Rheological behavior of a fresh geopolymer based on metakaolin: effect of the introduction of calcium carbonate


Volume 7, Issue 3, August 2014, Pages 1170–1177

 Rheological behavior of a fresh geopolymer based on metakaolin:  effect of the introduction of calcium carbonate

A. Aboulayt1, M. Riahi2, S. Anis3, M. Ouazzani Touhami4, and R. Moussa5

1 Laboratory Physico-Chemical of Inorganic Materials (LPCMI), Hassan II University Casablanca, Faculty of Sciences Aïn Chock, Casablanca, Morocco
2 University of Hassan II, Faculty of Sciences Aïn-Chock, Laboratory of Mechanics, B.P.5366 Mâarif, Casablanca, Morocco
3 Laboratory of Mechanic (LM), Hassan II University Casablanca, Faculty of Sciences Aïn Chock, Casablanca, Morocco
4 Laboratory of Mechanic (LM), Hassan II University Casablanca, Faculty of Sciences Aïn Chock, Casablanca, Morocco
5 Laboratory Physico-Chemical of Inorganic Materials (LPCMI), Hassan II University Casablanca, Faculty of Sciences Aïn Chock, Casablanca, Morocco

Original language: English

Received 6 July 2014

Copyright © 2014 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


Geopolymers can be considered as inorganic polymers presenting good physicochemical properties. The principal advantage of these materials is their elaboration without a lot of energy spending compared to conventional materials. The choice of raw materials and the control of preparation conditions, represent important parameters controlling the rheological properties in the fresh state and physicochemical properties of consolidated geopolymers. Calcium carbonate powder is incorporated in a geopolymer formulation based on metakaolin. The rheological tests elaborated in different conditions allowed us to model their rheological behavior and follow the effect of carbonate introduction. Two models are observed, the Bingham model and the Herschel-Bulkley model. The introduction of calcium carbonates seems to have no effect on the evolution of the viscosity, while this latter has a remarkable sensitivity to the geopolymerization temperature.

Author Keywords: rheology, clay, kaolin, alkali-activation, metakaolin, CaCO3, filler, geopolymerisation.


How to Cite this Article


A. Aboulayt, M. Riahi, S. Anis, M. Ouazzani Touhami, and R. Moussa, “Rheological behavior of a fresh geopolymer based on metakaolin: effect of the introduction of calcium carbonate,” International Journal of Innovation and Applied Studies, vol. 7, no. 3, pp. 1170–1177, August 2014.