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特殊液相沉淀法制备掺钇纳米二氧化锆
Preparation of Zirconia Nanopowders Doped with Yttrium Using Special Liquid-Phase Precipitation Method
【摘要】 根据反应胶粒析出机理及实验原理,采用快速高强度机械混合方法,制备了分散性好、粒径小至2~3nm的无定形纳米氧化锆前驱体。前驱体在550℃下焙烧,获得了优质小粒径纳米氧化锆粉体。由TEM和XRD表征,粉体为四方相纳米氧化锆。
【Abstract】 Zirconia nanopowders doped with Yttrium with good dispersal were prepared by using special liquidphase methods based on mechanism analysis of colloidal particle precipitation in liquid phase reaction.TEM showed that the average diameter of the powders was 2～3nm.~Sintered at 550℃,Zirconia nanopowders with a small dimension was obtained,XRD showed that the powders were tetragonal crystal.
【关键词】 氧化锆；
液相沉淀；
纳米粉体；
快速高强度机械混合；
【Key words】 Zirconia； liquid-phase precipitation； nanopowders； rapidly mechanical mixing with high strength；
【Key words】 Zirconia； liquid-phase precipitation； nanopowders； rapidly mechanical mixing with high strength；
【基金】 国家自然科学基金资助项目(No50272002,50372001)。
- 【文献出处】 化工进展 ,Chemical Industry and Engineering Progress , 编辑部邮箱 ,2005年03期
- 【分类号】TB383
- 【被引频次】9
- 【下载频次】363