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Textured AlN‐based ceramics with improved mechanical properties were prepared by hot pressing using Si3N4 and Y2O3 as additives. The introduction of Si3N4–Y2O3 into AlN matrix led to the formation of secondary Y3AlSi2O7N2 and fiber‐like 2Hδ AlN‐polytypoid phases, the partial texture of all crystalline phases, and the fracture mode change from intergranular to transgranular. Consequently, Vickers hardness,...
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