Abstract

Abstract The microstructure evolution and physico-mechanical properties of bone china porcelain developed using two selected kaolinite clays from Nigeria were investigated. The prepared bodies were uniaxially pressed, oven dried at 105 °C and sintered at temperatures of 1000 °C and 1200 °C. Scanning electron microscopy was used to evaluate the microstructure while physical and mechanical properties were examined following standard procedures. The results showed that higher densification was observed at 1200 °C while water absorption were detected at °C. This superior behavior observed at temperature of 1200 °C can be attributed to maturation phases of Anorthite, Quartz and β-TCP (Tri-calcium phosphate) at the same temperature.

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