将粒径为1～5μm的原料铜粉置入辊压振动磨中,经振动研磨后得到纳米铜粉,通过X射线多晶衍射仪和扫描电子显微镜对其进行了分析.结果表明:得到的纳米铜粉晶格类型仍为面心立方晶格,结构参数和化学成分没有发生变化;随着研磨时间的增加,粉末的平均粒径越来越小,粒度分布趋于均匀,研磨6 h以后,平均粒径在100 nm左右.
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