Abstract
In the present work, CAS (CaO–Al2O3–SiO2)-based glass–ceramics were prepared by using Al2O3 (Seydisehir, Turkey) and pumice (Nevsehir, Turkey) as natural raw materials and marble dust (Sakarya, Turkey) as a waste source. CAS-coded composition (57.5 mass% SiO2, 27.5 mass% CaO, 15 mass% Al2O3) was selected in stoichiometric anorthite region according to the CAS ternary diagram. According to the DTA results at different heating rates, the crystallization activation energy of the glass that was prepared from the CAS-coded composition was calculated to be 373 ± 5 kJ mol−1 and the viscous flow activation energy to be 430 ± 8 kJ mol−1.
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