以ZrOCl2·8H2O和NaOH为原料,采用机械化学法制备ZrO2纳米粉体.研究了前驱体不同处理方法对粒径的影响.采用X射线衍射仪、激光粒度分析仪、比表面积仪、扫描电镜、透射电镜对粉体进行表征.结果表明前驱体经500℃煅烧后出现t-ZrO2,且随温度升高,晶粒尺寸逐渐增大,晶型逐渐完整.采用机械化学法可制备分散均匀、粒径为10 nm的ZrO2粉体,其最佳处理工艺条件是先将前驱体500℃煅烧后再将NaCl洗去.
参考文献
| [1] | 饶晓晓,胡树兵.纳米ZrO2应用现状及前景研究[J].材料导报,2007(z1):143-146. |
| [2] | 田晓利,薛群虎,薛崇勃.化学法制备ZA复合粉体的研究[J].硅酸盐通报,2010(01):209-213. |
| [3] | Yu-Wei Hsu;Ko-Ho Yang;Kuo-Ming Chang .Synthesis and crystallization behavior of 3 mol% yttria stabilized tetragonal zirconia polycrystals (3Y-TZP) nanosized powders prepared using a simple co-precipitation process[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2011(24):6864-6870. |
| [4] | 王晶,许吉泰,龚念.水热法制备球形二氧化锆粉体的研究[J].硅酸盐通报,2013(05):936-940. |
| [5] | 朱振峰,耿春磊,羊俊,李静平,余唯杰.微乳液法合成纳米氧化锆粉体的结构与性能[J].稀有金属材料与工程,2008(z1):800-802. |
| [6] | Y. Sun;B. Yao;Q. He .Synthesis and formation mechanism of cubic ZrN nanopowders by mechanochemical reaction of ZrCl_4 and Li_3N[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2009(1/2):599-602. |
| [7] | Aaron C.Dodd;Krishnamurthy Raviprasad;Paul G.McCormick .SYNTHESIS OF ULTRAFINE ZIRCONIA POWDERS BY MECHANOCHEMICAL PROCESSING[J].Scripta materialia,2001(4):689-694. |
| [8] | A. Cellkovic;Lj. Kandic;M. Zdujic;D. Uskokovic .Synthesis of ZnO and ZrO2 Powders by Mechanochemical Processing[J].Materials Science Forum,2007(0):279-284. |
| [9] | 崔洪梅,刘宏,王继扬,李霞,韩峰.纳米粉体的团聚与分散[J].机械工程材料,2004(08):38-41. |
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