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Physico-mechanical properties (flexural strength, Young modulus, bulk density, change of dimensions, porosity) as well as the mineralogical composition were studied on samples with difference content of calcite after firing at 900, 1000, 1100 and 1200°C. It was found that anorthite and mullite are the main crystalline phases of the fired samples containing the calcite. The anorthite/mullite ratio...
Stoneware clay (40wt.%), classical high-temperature fly ash and fluidized fly ash from two different power plants used in various mixing ratios were the base raw materials for the mixture for production of dry pressed ceramic tiles of the BIII group according to EN 14411. The influence of an increasing addition of fluidized fly ash in the raw material mixture and the granulometry of fly ashes (milling)...
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