Combustion Synthesis of Sialon-Based Ceramic Composites

We have studied the process of synthesis of ceramic composites based on β‐sialons under filtration combustion conditions in high-pressure gaseous nitrogen. We have shown that an important role is played by deformation shrinkage in formation of their structure and phase composition. The most favorable conditions for obtaining high-density ceramic are realized in the layer-by-layer regime for combustion of reaction mixtures with high oxide content (synthesis of highly substituted β‐sialons). The synthesized ceramic is characterized by high resistance to thermal loading and to the corrosive action of metallurgical melts.