通过冷冻干燥方法制备了ZrO2-Al2O3,ZrO2-Fe2O3二元及ZrO2-(Al2O3,Fe2O3)三元体系的前驱物粉末,研究了不同温度下的相变及微观组织结构,证明Fe2O3具有球化晶粒的作用,并获得了具有均匀细小显微组织的三元体系.
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