Abstract
AbstractCalcium silicate ceramics were successfully prepared at various temperatures by spark plasma sintering technique (SPS) using two different compositions, and their morphological and structural characteristics were thoroughly analyzed and compared by scanning electron microscope, X‐ray diffraction, and apparent density measurements. The effect of the sintering method and temperature on microstructural properties has also been studied. The sintered samples prepared by SPS through a heat input of 800°C showed the highest densification as results 800°C was suggested as optimum sintering temperature. Different phases presented in pseudo‐wollastonite, wollastonite, and triclinic Ca3(SiO4)O have been observed in the case of 50C50C with lowest porosity and highest density 2.6 g/cm3, whereas the composition 10C90S resulted in a fully amorphous material presented in granular microstructure with density of 1.7 g/cm3.
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