Microstructural Design of ZrO₂–Y₂O₃–CeO₂–Al₂O₃ Materials

Abstract

It is shown that microstructural designing of ZrO₂–Y₂O₃–CeO₂–Al₂O₃ ceramics is based on interrelated processes of the production of starting powders and their formation and sintering. Hydrothermal nanocrystalline powders are examined to determine how self-reinforced and laminated composites with increased strength and bioinert implants of femoral heads stable to ageing processes in the human body are formed. The results serve as a scientific basis for microstructure design of fine-grained composites based on ZrО₂ in the ZrO₂–Y₂O₃–CeO₂–Al₂O₃ system with increased strength and other properties.