摘要: Silicon nitride is one of the major structural ceramics that has been developed following many years intensive research. It possesses high flexural strength, fracture resistance, good creep hardness and excellent wear resistance. These properties arise from processing ceramic by liquid phase sintering development microstructures in which aspect ratio grains intergranular glass lead to toughness strength. The softens at temperature controls rate ceramic. purpose this review examine silicon related sialons their into a range high-grade materials. knowledge microstructure–property relationships materials outlined, particularly recent advances understanding effects grain boundary chemistry structure on mechanical properties. This should be interest scientists engineers concerned with use for engineering applications.
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