Corrosion Behavior of Cu-Cr Alloy in 3.5% NaCl + NH3 Solution
来源期刊：JOURNAL OF RARE EARTHS2007年增刊第1期
论文作者：Sun Li Fan Liru Zhang Jinhua Liu Jianhua Zhang Ruijun
Key words：Cu-Cr alloy; 3.5％ NaCl + NH3 solution; corrosion behavior; rare earths;
Abstract: The corrosion behavior of Cu-Cr alloy in 3.5% NaCl + NH3 solution had been studied, and the influences of the concentration of NH3 on corrosion resistance discussed by means of Metallograph, XRD, SEM and electrochemical method. The results show that the Cu is easier to corrosion than Cr, and the corrosion rate increases with the increasing of the concentration of NH3, and deformation worsen the corrosion resistance of the alloy in such corrosive environment.
Sun Li1，Fan Liru2，Zhang Jinhua3，Liu Jianhua3，Zhang Ruijun3
(1.Tangshan Vocational Technology College, Tangshan 063000, China;
2.College of Science, Yanshan University, Qinhuangdao 066004, China;
3.State Key laboratory of Metastable Materials Science and Technology, Yan Shan University, Qinhuangdao 066004, China)
Abstract:The corrosion behavior of Cu-Cr alloy in 3.5% NaCl + NH3 solution had been studied, and the influences of the concentration of NH3 on corrosion resistance discussed by means of Metallograph, XRD, SEM and electrochemical method. The results show that the Cu is easier to corrosion than Cr, and the corrosion rate increases with the increasing of the concentration of NH3, and deformation worsen the corrosion resistance of the alloy in such corrosive environment.
Key words:Cu-Cr alloy; 3.5％ NaCl + NH3 solution; corrosion behavior; rare earths;
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