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Mar

2013

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The ceramics industry encompasses a wide a variety of applications, including advanced ceramics, technical ceramics, honeycomb ceramics, spark plugs, high voltage insulators, wear parts and many more. Calcined alumina is a commonly used raw material in all of these ceramic applications due to its robust mechanical, electrical, thermal and chemical properties. These properties are highly dependent on the physical and chemical characteristics of the alumina itself. Therefore, the focus of this research was to evaluate the role of chemical characteristics on the physical and mechanical properties of four commercially available calcined reactive aluminas. Specifically, this work aims to quantify the effect of the trace impurities SiO2 and Na2O, on alumina shrinkage, shrinkage rate, sintered density and flexural strength.


Mar

2013

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