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| Preparing of Ultrafine Nickel Powder by Precursor Vacuum Thermal Decomposing Method |
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| DOI：doi：10.3969/j.issn.1007-7545.年份.期号.顺序号 |
| KeyWord:Nickel oxalate;Vacuum thermal decomposition;Nickel powder; |
| LIU Zhi-qiang,LI Xing-ying,CHEN Huai-jie |
LIU Zhi-qiang,LI Xing-ying,CHEN Huai-jie(Guangzhou Research Institute of Non-ferrous Metals,Guangzhou 510651,China)
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| Abstract: |
| The nickel oxalate is prepared by nickel salt reacting with oxalate salt.The particle size of nickel oxalate is controlled by adding surfactant,controlling temperature,pH et al.The thermal decomposition processes taking place in the nickel oxalate have been studied in argon using TG-DTG,XRD techniques.Meanwhile the effect of the temperature of thermolysis,the velocity of heating-up,the shape of nickel oxalate on nickel powders is studied.The nickel powder can be gained with content of oxygen <0.64%,and part... |
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