干法室温振动制备纳米铜粉
Preparation of Nano-Cu Powders by Vibration Milling
摘 要
将粒径为1~5 μm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.
纳米铜粉
晶体结构
vibration grinding
nano-Cu powder
crystal structure
Abstract
The crude copper powders were processed in rolling vibration mill.The samples were analyzed by means of X-ray diffraction.The XRD results reveal that the lattice parameters,chemical constitution of the nano-Cu were the same as the crude copper powder,continuing to retain the face centered cubic lattice.The observation of SEM showed that the average diameter of the particles became less and less as time consuming and its granularity was gradually uniform.After grinding for 6 hours,the particle sizes were about 100 nm.
中图分类号 TB383
所属栏目
基金项目 国家自然科学基金资助项目(50575147)
收稿日期 2007/3/8
修改稿日期 2007/10/16
网络出版日期
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备注徐波(1963-),女,辽宁海城人,副教授,博士研究生.
引用该论文: XU Bo,WANG Shu-lin,LI Sheng-juan,WU Ming-xia. Preparation of Nano-Cu Powders by Vibration Milling[J]. Materials for mechancial engineering, 2008, 32(2): 74～76
徐波,王树林,李生娟,吴明霞. 干法室温振动制备纳米铜粉[J]. 机械工程材料, 2008, 32(2): 74～76
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参考文献
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【2】Tomita Y,Hasegawa Y,Kobayashi K.Nano-scale Cu metal patterning by using an atomic force microscope[J].Applied Surface Science,2005,244:107-110.
【3】Han W K,Choi J W,Hwang G H,et al.Fabrication of Cu nano particles by direct electrochemical reduction from CuO nano particles[J].Applied Surface Science,2006,252:2832-2838.
【4】Dragomir I C,Gheorghe M,Thadhani N,et al.X-ray peak profile analysis of crystallite size distribution and dislocation type and density evolution in nano-structured Cu obtained by deformation at liquidnitrogen temperature[J].Materials Science and Engineering A,2005,402:158-162.
【5】Wang Shulin.Impact chaos control and stress release:A key for development of ultra fine vibration milling[J].Progress in Natural Dscience,2002,12(5):336-341.
【6】Wang Shulin,Li Shengjuan,Du Yanchen,et al.Nanostructural Evolution of Zn by dry roller vibration milling at room temperature[J].Progress in Natural Science,2006,16(4):441-444.
【7】王树林.滚压振动磨:中国,2L99112092.2[P].
【8】郑水林.超微粉体加工技术与应用[M].北京:化学工业出版社,2004.
【9】王树林.一种制备纳米片状锌粉的新方法[J].矿山机械,2003(10):42-43.
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