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Influence of Nd and Y additions on the corrosion behaviour of extruded Mg-Zn-Zr alloys |
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| Authors: | Jian-wei Chang Jun Duo Ya-zhen Xiang Hai-yan Yang Wen-jiang Ding Ying-hong Peng School of Materials Science Engineering Shanghai Jiaotong University Shanghai China School of Mechanical Engineering China School of Mechanical Engineering Qinghai University Xining China School of Environmental Science Engineering China |
| Affiliation: | Jian-wei Chang1,2),Jun Duo3),Ya-zhen Xiang4),Hai-yan Yang1),and Wen-jiang Ding1),and Ying-hong Peng2) 1) School of Materials Science and Engineering,Shanghai Jiaotong University,Shanghai 200240,China 2) School of Mechanical Engineering,China 3) School of Mechanical Engineering,Qinghai University,Xining 810086,China 4) School of Environmental Science and Engineering,China |
| Abstract: | To improve the corrosion resistance of wrought magnesium alloys through rare earth (RE) additions, the corrosion behaviour of Mg-5Zn-0.3Zr-xNd (x=0, 1, and 2; wt%) and Mg-5Zn-0.3Zr-2Nd-yY (y=0.5 and 1; wt%) alloys in a 5wt% NaCl solution was investigated using immersion test and electrochemical measurements. The results of immersion test show that Mg-5Zn-0.3Zr-2Nd alloy exhibits the best corrosion resistance among the tested alloys. Electrochemical measurements show that secondary phases in RE-containing Mg... |
| Keywords: | magnesium alloys corrosion resistance rare earth additions electrochemical properties neodymium yttrium |
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