Ceramics-Silikáty 44, (1) 26 - 34 (2000) |
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MORPHOLOGY AND CHEMICAL COMPOSITION OF MINERALS INSIDE THE PHASE ASSEMBLAGE C-C₂S-C₄A₃S̅-C₄AF-CS̅ RELEVANT TO SULPHOALUMINATE BELITE CEMENTS
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Strigáč Július 1, 3, Palou Martin T. 1, Krištín Jozef 2,
Majling Ján 1
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1 Department of Ceramics, Glass and Cement, Faculty of Chemical Technology,
Slovak Technical University, 812 37 Bratislava, Slovak Republic
2 Central Laboratory of Electron-Optical Methods, Faculty of Natural Sciences,
Comenius University, 842 12 Bratislava, Slovak Republic
3 Považska Cementáreň a.s., ul. J. Kráľa 018 63 Ladce, Slovak Republic
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The paper deals with a formation of solid solutions inside the equilibrium phase assemblage C-C₂S-C₄A₃S -C₄AF-CS of the oxide system CaO-SiO₂-Al₂O₃-Fe₂O₃-SO₃. The content of minor oxides incorporated in individual phases was generally lower in comparison with data given in the literature. C₂S and CS phases form more homogeneous crystals with regard to their chemical composition than C₄A₃S and the ferrite phase. From practical consideration the stoichiometry of the ferrite phase in the given phase assemblage can be appropriately represented by a composition corresponding to C₆AF₂. |
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