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用 Ｔｗｅｅｎ－８０保护共沉淀法制备了 ＺｒＯ２（Ｙ２Ｏ３）纳米粉体、用差热分析、热重分析、Ｘ射线衍谢及透射电子显微镜等技术研究了粉体的特征，结果表明：在 ７００℃ 煅烧０.５ｈ后ＺｒＯ２（Ｙ２Ｏ３）粉体的平均粒径为３～９ｎｍ，比表面为 １２８.５～１３４.５ｍ２ｇ－１，在 １２５０℃煅烧 ８ ｈ后 ＺｒＯ２（Ｙ２Ｏ３）粉体已完全形成了立方相的ＺｒＯ２固溶体，并且有非常好的烧结性能。
ZrO2 (Y2O3) nanopowders were prepared by coprecipitation with Tween-80. The characteristics of the powders were investigated by DTA, TG, X-ray diffraction and transmission electron microscopy. The results show that at 700 ℃ After 0.5h calcination, the average particle size of ZrO2 (Y2O3) powder is 3 ~ 9nm and the specific surface is 128.5 ~ 134.5m2g-1. After calcined at 1250 ℃ for 8 h, the ZrO2 (Y2O3) The cubic phase of ZrO2 solid solution, and has very good sintering properties.