| LI Yuan-hui,WAN Ming-pan,CHEN Zhen,ZHANG Xiao-yan,GUO Zhong-cheng.Thermodynamics Analysis of Electrodeposited Cu-W-Ni Alloys[J],42(5):8-10 |
| Thermodynamics Analysis of Electrodeposited Cu-W-Ni Alloys |
| Received:May 22, 2013 Revised:June 30, 2013 |
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| DOI： |
| KeyWord:electrodeposition Cu-W-Ni alloys potential-pH plots thermodynamics |
| Author | Institution |
| LI Yuan-hui |
Faculty of Materials and Metallurgy, University of Guizhou, Guiyang , China; |
| WAN Ming-pan |
Faculty of Materials and Metallurgy, University of Guizhou, Guiyang , China |
| CHEN Zhen |
Faculty of Metallurgical and Energy Engineering,Kunming University of Science and Technology, Kunming , China |
| ZHANG Xiao-yan |
Faculty of Materials and Metallurgy, University of Guizhou, Guiyang , China |
| GUO Zhong-cheng |
Faculty of Metallurgical and Energy Engineering,Kunming University of Science and Technology, Kunming , China |
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| Abstract: |
| Theoretically expression of Cu, Ni, W and Cu-W-Ni alloys electrodeposition possibility were thermodynamically analyzed by means of the potential-pH plots of Cu-H2O, Ni-H2O and W-H2O at 25 ℃ normal temperature. It is found that Cu-Ni alloys can be deposited together in the thermodynamical stable region of the Cu-H2O, Ni-H2O potential-pH plots. Cu-W alloys aren't deposited without no thermodynamical stable region of the Cu-H2O, W-H2O potential-pH plots, only if Cu-W-Ni induced electrodeposition under the Ni2+circumstances. It is possible that Ni-W alloys are prepared by the electrodeposition in the theory and experiment, which will be new method and theory for Cu-W-Ni serial contact materials' preparation. |
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