Abstract
The article deals with a laboratory preparation of triclinic modification of clinker mineral tricalcium silicate. A substantial part of the article is devoted to the technology and technique of firing a sample of tricalcium silicate, which would in the future allow the study of the development of the crystal lattice structure of this clinker mineral at short isothermal durations, in the order of minutes. As part of the research, a small high-temperature experimental furnace was designed and constructed. Based on the results, we can express the suitability and applicability of this furnace for the study of the formation of triclinic tricalcium silicate at short soakings.
Highlights
The current main problem of the industrial cement productions is the variability of their mineralogical composition
More than twenty minerals can be identified in clinker, but only four of them are considered important, namely tricalcium silicate (C3S, alite), dicalcium silicate (C2S, belite), tricalcium aluminate (C3A) and tetra calcium aluminate ferrite (C4AF)
The article deals with the study of the progress of alite formation during short soaking times
Summary
The current main problem of the industrial cement productions is the variability of their mineralogical composition. This depends on the presence of impurities from the raw materials or fuel and the firing process. More than twenty minerals can be identified in clinker, but only four of them are considered important, namely tricalcium silicate (C3S, alite), dicalcium silicate (C2S, belite), tricalcium aluminate (C3A) and tetra calcium aluminate ferrite (C4AF). Due to their characteristic properties, each of these minerals influences the specific properties of individual cements. Except for C4AF, all major clinker minerals show strong polymorphism [4,5]
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