Sn含量对镁合金电镀Sn-Ni合金镀层性能的影响
Effects of Sn Content on Sn-Ni Alloy Coating Properties
摘 要
采用阴极电沉积法在AZ31B镁合金表面上制备了不同Sn含量的Sn-Ni合金镀层。利用X射线荧光光谱仪(XRF)、X射线衍射仪(XRD)、扫描电子显微镜(SEM)、动电位极化曲线(Tafel)、电化学阻抗谱(EIS)和硬度仪研究了不同Sn含量时镀层的结构、表面形貌、耐蚀性及硬度。结果表明, 镀层中Sn含量对镀层各种性能的影响较大, Sn含量在62.5%时其镀层表面形貌、耐蚀性及硬度最好。
Sn含量
Sn-Ni合金
腐蚀性能
magnesium alloy
Sn content
Sn-Ni alloy
corrosion resistantce
Abstract
Sn-Ni alloy coating was prepared on the surface of Mg alloy by means of electrodeposition. The effects of Sn content on Sn-Ni alloy coating structure, surface morphology, corrosion resistance and hardness were analyzed by X-ray fluorescence (XRF), X-ray diffraction (XRD), scanning electron microscopy (SEM), polarization curves, electrochemical impedance spectroscopy (EIS) and hardness testing. The results showed that the coating with 62.5% Sn had the best surface morphology, corrosion resistance and hardness.
中图分类号 TQ153.2
所属栏目 试验研究
基金项目
收稿日期 2010/7/28
修改稿日期 2010/9/6
网络出版日期
作者单位点击查看
备注常立民, 教授,
引用该论文: CHANG Li-min,SHI Jie-li. Effects of Sn Content on Sn-Ni Alloy Coating Properties[J]. Corrosion & Protection, 2011, 32(6): 451
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参考文献
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【2】Zhu Y P, Yu G, Hu B, et al. Electrochemical behaviors of the magnesium alloy substrates in various pretreatment solutions[J]. Applied Surface Science, 2010, 256(9):2988-2994.
【3】Gray J E, Luan B. Protective coatings on magnesium and its alloys-a critical review[J]. Journal of Alloys and Compounds, 2002, 336(1/2):88-113.
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【6】王宝华, 潘勇, 王孝广, 等. 光亮锡镍合金镀层的制备及其耐腐蚀性能研究[J]. 材料保护, 2008, 41(5):4-6.
【7】张锦秋. 锡银铜合金的电沉积工艺与沉积机制及其焊接性能的研究[D]. 黑龙江:哈尔滨工业大学, 2009.
【8】常立民, 徐佳琦. AZ31B镁合金无氰脉冲镀锌层的结构与性能[J]. 材料保护, 2009, 42(6):1-3.
【2】Zhu Y P, Yu G, Hu B, et al. Electrochemical behaviors of the magnesium alloy substrates in various pretreatment solutions[J]. Applied Surface Science, 2010, 256(9):2988-2994.
【3】Gray J E, Luan B. Protective coatings on magnesium and its alloys-a critical review[J]. Journal of Alloys and Compounds, 2002, 336(1/2):88-113.
【4】Humberto J, Linda G, Mariana H Staia, et al. Effect of deposition parameters on adhesion, hardness and wear resistance of Sn-Ni electrolytic coatings[J]. Surface & Coatings Technology 2008, 202(10):2072-2079.
【5】吴芳辉, 诸荣孙. 光亮锡镍合金电沉积新工艺[J]. 腐蚀与防护, 2006, 27(5):251-254.
【6】王宝华, 潘勇, 王孝广, 等. 光亮锡镍合金镀层的制备及其耐腐蚀性能研究[J]. 材料保护, 2008, 41(5):4-6.
【7】张锦秋. 锡银铜合金的电沉积工艺与沉积机制及其焊接性能的研究[D]. 黑龙江:哈尔滨工业大学, 2009.
【8】常立民, 徐佳琦. AZ31B镁合金无氰脉冲镀锌层的结构与性能[J]. 材料保护, 2009, 42(6):1-3.
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