| CHANG Fa,PENG Zeng-hua,HE Ming-yi,WANG Sheng-min,ZHAO Xiao-jun.Electrochemical Corrosion Behavior of Zn-3%Al-RE Alloy by Mechanical Plating[J],39(5):22-25 |
| Electrochemical Corrosion Behavior of Zn-3%Al-RE Alloy by Mechanical Plating |
| Received:June 01, 2010 Revised:October 10, 2010 |
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| DOI： |
| KeyWord:mechanical plating rare-earth Zn-3%Al-RE alloy corrosion resistance electrochemical parameter |
| Author | Institution |
| CHANG Fa |
Material Protection Research Institute, Kunming University of Science and Technology, Kunming , China |
| PENG Zeng-hua |
Material Protection Research Institute, Kunming University of Science and Technology, Kunming , China |
| HE Ming-yi |
Material Protection Research Institute, Kunming University of Science and Technology, Kunming , China |
| WANG Sheng-min |
Material Protection Research Institute, Kunming University of Science and Technology, Kunming , China |
| ZHAO Xiao-jun |
Material Protection Research Institute, Kunming University of Science and Technology, Kunming , China |
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| Abstract: |
| Zn-3%Al-RE deposited coating was prepared with addition of 0～ 5% of one RE salt during the Zn-3% Al coating forming process by the process of mechanical zinc plating.And its electrochemical parameters were measured under six media corrosion mediums, 1mol/ L NaCl, 0.5 mol/ L NaCl+ 0.5 mol/ L Na2SO4and 0.5 mol/ L Na2SO4solutions whichis pH= 5 and pH= 7. The result shows that all the alloy coating's corrosion resistance reduces as Cl- concentration increases;and the relationship between the impact of addition rare earth and the electrochemical corrosion resistant of coating does not follow the linear,the coatings addition 2% and 5% rare earth have better corrosion resistance. |
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