IntroductionCalciumstrontiumsulphoaluminatemineral(3-X)CaO·XSrO·3Al2O3·-calciumstrontiumsulphoaluminatecement(AScement)position/%Aluminium ratioSilicon %and5%parisonContentsofMgO1%,2%,3%,4%,5%,6%,7%(MgO)/%w(f-CaO)/%Compressivestrength/MPaExpansionratio/%●InfluenceofMgOonthePropertiesofCement■C3S●◆C2S▼C4AF▲-raydiffraction(XRD)patternsofclinkers●XRDanalysisofclinkers●SEM-–EDSofsilicatemineralsinclinkerA2(a)SEMofA2clinker(b)C3Satpoint1(a)SEMofA2clinker(b)–(a)SEMofA7clinker(b)–
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