摘要：在试验的基础上给出了用溶胶共沉淀法制粉时影响 粉体粒度的主要因素及其最佳工艺参数值。用此工艺制备 的9％（摩尔分数）Y₂O₂－ZrO₂ 粉末的粒度为0．42μm。 

关键词：氧化锆；粒度；影响因素

Abstract：T he primary influential factors on the particle size of ZrO₂prepared by so-l coprecipitional method are studied‚the op timum technological parameters are provided．T he particle size of powder prepared by this technology is0．42μm． 

Keywords：ZrO₂；particle size；influential factor