采用化学镀方法在超声波辐照下对10~20 nm的Al2O3粉末进行化学镀铜,并探讨了镀液组成及工艺条件对纳米Al2O3粉末化学镀铜的影响,利用X射线衍射判断其成分组成,用TEM观察镀覆结果.结果表明:引入超声波并调整镀液组成和工艺条件可以实现室温的纳米Al2O3粉末化学镀铜,使化学镀铜在低温下 保持了镀液的稳定性,同时对纳米粉末进行有效的分散;以EDTA-2Na为络合剂,并加入亚铁氰化钾和2-2联吡碇作为稳定剂,可以有效地消除或减少复合粉末中的Cu2O.通过改变低温超声波化学镀铜时的镀液组成和装载量,可以一次镀覆得到铜含量为5%~90%的Cu-Al2O3复合粉末.
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