| WANG Qing-feng,LIU Xiang-xuan,WANG Xuan-jun.Study on Preparation Technique of Conductive Ultrafine Copper Powder[J],36(1):45-47 |
| Study on Preparation Technique of Conductive Ultrafine Copper Powder |
| Received:November 07, 2006 Revised:February 10, 2007 |
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| DOI： |
| KeyWord:Ultrafine copper powder Oxidation resistance Conductivity |
| Author | Institution |
| WANG Qing-feng |
The Second Artillery Engineering College, Xi’an , China |
| LIU Xiang-xuan |
The Second Artillery Engineering College, Xi’an , China |
| WANG Xuan-jun |
The Second Artillery Engineering College, Xi’an , China |
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| Abstract: |
| The oxidized copper powder is packed by homemade anti-oxidant. The technique for removing the oxides is studied, the influences of anti-oxidant’s concentration and reactive temperature are discussed, the outcomes show that the acid is 5%H2SO4, the concentration of anti-oxidant is 1%, the temperature is 60℃.The result analyzed by FTIR indicates that there are characteristic peaks of anti-oxidant in the powder’s IR spectrum. It presumes that the surface is packed by anti-oxidant, which forms protective film on the powder’s surface, prevents the surface from environment, but it doesn’t affect the conductivity. |
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