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An Application of Spark Plasma Sintering for Compaction of Refractory Oxides and Nitrides

The results of investigation of physical and mechanical properties of ceramic materials manufactured by compaction of alumina, zirconia, and aluminum oxynitride powders using spark plasma sintering (SPS) are presented. It is found out that the ceramics thus produced exhibit improved density and microhardness compared to the materials sintered at high temperature in a resistance furnace.