| Study on the preparation and properties of ultrafine copper powder |
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| 作者姓名： | 刘维平 黄琳 尹艳红 |
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| 作者单位： | School of Metallurgical and Ecological Engineering University of Science and Technology Beijing 100083 Chi-na，School of Materials and Chemical Engineering，Jiangxi University of Science and Technology Ganzhou 341000，China，School of Materials and Chemical Engineering，Jiangxi University of Science and Technology Ganzhou 341000，China，School of Materials and Chemical Engineering，Jiangxi University of Science and Technology Ganzhou 341000，China |
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| 摘 要： | 1IntroductionAs ani mportant raw material of powder metallurgy products,copper powder plays a vital role in in-dustrial fields.There are many methods for preparation of copper and copper based powder as follows1-5]:electrolytic technique,gas-reduction technique,atomization machanical smashing,permutation,high-pres-sure hydrogen reduction,microbe lixiviation,and so on.Recently,high energy ball millingis used widelyin preparation and sythesis of materials such as dispersion intensified alloy ma…
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Study on the preparation and properties of ultrafine copper powder |
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| LIU Wei-ping ,HUANG Lin ,YIN Yan-hong.Study on the preparation and properties of ultrafine copper powder[J].Journal of Guangdong Non-Ferrous Metals,2005(Z1). |
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| Authors: | LIU Wei-ping HUANG Lin YIN Yan-hong |
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| Affiliation: | LIU Wei-ping~ 1,2,HUANG Lin~ 2,YIN Yan-hong~ 2 |
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| Abstract: | In the study, the common copper powder is used as sample, the ultrafine copper powder is researched by a new process of high energy ball milling. The influence of the milling time, the milling intensity, the milling medium, the ratio of ball to material, the dry milling and the wet milling on copper powder size are studied and the rule of every factors influencing properties of copper particle size and specific surface area under the best experimental conditions are acquired. By the regressive analysis of experimental results under the best conditions, the characteristic equation of copper particle prepared by high energy milling is confirmed. |
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| Keywords: | copper powder ultrafine high energy ball mill nanometer |
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