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Thermal Studies of the Hardening of the Systems Calcium Silicates–Electrolyte–Water

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Abstract

Thermal studies, sometimes together with X-ray analysis, were applied to investigate the process of hydration in the systems calcium silicates (tricalcium silicate or dicalcium silicate) - water - electrolyte. Alkali metal or alkaline-earth metal salts were used as electrolytes. Results and conclusions are presented concerning the action of electrolytes upon the kinetics of hardening of the calcium silicates and the composition and phase transformation of calcium hydrosilicate in the presence of low proportions of electrolytes (0.5, 2 and 5 mass%), these effects being due to ionic substitution. A higher proportion of electrolyte (above 2%) in the systems calcium silicate-water can determine the formation of a complex salt, e.g. calcium hydroxysalts or double hydrosilicates.

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Authors and Affiliations

  1. University ‘politehnica’ of Bucharest, P. O. Box 12-46, 78100, Bucharest, Romania

    I. Teoreanu & M. Muntean

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  1. I. Teoreanu
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  2. M. Muntean
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Teoreanu, I., Muntean, M. Thermal Studies of the Hardening of the Systems Calcium Silicates–Electrolyte–Water. Journal of Thermal Analysis and Calorimetry 62, 809–819 (2000). https://doi.org/10.1023/A:1026741913366

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