Abstract
A comparative research between the technical properties of a typical porcelain composition manufactured from bone ash according to English traditional composition and a hard porcelain was made. The influence of quartz addition on final strength was also studied. Chemical and mineralogical composition of the glass and crystalline phase were analyzed by SEM and XRD. The results revealed that compared to traditional porcelains it is more difficult to sinter bone china in fast firing cycle, due to its shorter firing range. The higher mechanical strength of bone china is dependent on the presence of quartz and its particle size.
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