高能球磨法对水相介质中微米α-Al2O3分散性能的影响

功能材料, 2013, 44(1): 107-110.

高能球磨法对水相介质中微米α-Al2O3分散性能的影响

孙玉利 ^1, , 左敦稳 ^2, , 祝晓亮 ^3, , 朱永伟 ^4, , 黎向锋 ^5,

1.南京航空航天大学机电学院,江苏南京 210016

2.南京航空航天大学机电学院,江苏南京 210016

3.南京航空航天大学机电学院,江苏南京 210016

4.南京航空航天大学机电学院,江苏南京 210016

5.南京航空航天大学机电学院,江苏南京 210016

基金项目: 南京航空航天大学引进人才科研启动资助项目(1005-56YAH12024) 国家自然科学基金资助项目(51175260) 中国博士后科学基金特别资助金资助项目(201003583) 航空科学基金资助项目(2010ZE52056)

关键词：高能球磨法 , 微米α-Al2O3 , 水相介质 , 分散性能

Effect of high energy ball milling on dispersion of α-Al2O3 micro-powders in water suspension

采用高能球磨与化学分散剂分散相结合的方法,研究了球磨工艺参数及分散剂种类对微米α-Al2O3粉体分散性能的影响,探讨了配制稳定的微米α-Al2O3抛光液的最佳工艺条件.研究结果表明,球磨对微米α-Al2O3的分散有较好的促进作用,若加入分散剂共同进行球磨,在一定的工艺参数下,可以获得良好的分散效果.在球料比为10:1,pH值为10.5,球磨机转速300r/min的条件下,得到均匀稳定的微米α-Al2O3分散液的最佳分散工艺为:球磨时间60min,SHP作为分散剂且质量分数为1％.

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