碳钢低压冷喷涂铝涂层的海水耐蚀性

doi:10.61558/2993-074X.2130

电化学（中英文） ›› 2013, Vol. 19 ›› Issue (5): 425-429. doi: 10.61558/2993-074X.2130

• 腐蚀电化学及研究方法近期研究专辑(厦门大学林昌健教授主编) • 上一篇下一篇

碳钢低压冷喷涂铝涂层的海水耐蚀性

李相波^1*，许立坤¹，邱善广^1,2，王佳²，黄国胜¹，董彩常^1,2

1. 海洋腐蚀与防护重点实验室，中船重工七二五所，山东青岛 266101；2. 中国海洋大学化学化工学院，山东青岛 266100

收稿日期:2013-01-30 修回日期:2013-07-01 出版日期:2013-10-28 发布日期:2013-07-01
通讯作者: 李相波 E-mail:lixb@sunrui.net
基金资助:
工信部高技术船舶项目资助

Corrosion Resistance of Low Pressure Cold Sprayed Al Coating on Q235 Steel in Seawater

LI Xiang-bo^1*, XU Li-kun¹, QIU Shan-guang^1,2, Wang jia², HUANG Guo-sheng¹, DONG Cai-chang^1,2

1. State Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Material Research Institute (LSRMI), Qingdao 266101, Shandong, China; 2. Ocean University of China, Qingdao 266100, Shandong, China

Received:2013-01-30 Revised:2013-07-01 Published:2013-10-28 Online:2013-07-01
Contact: LI Xiang-bo E-mail:lixb@sunrui.net

摘要/Abstract

摘要： 本文以Al和10%体积比Al2O3的混合粉末为原料，使用便携式低压冷喷涂设备，在Q235碳钢基体上喷涂了Al涂层. 测试涂层自腐蚀电位及动电位极化曲线，结合扫描电镜观察涂层表面及截面微观形貌，研究了低压冷喷涂Al涂层在海水中电化学腐蚀行为，并与高压冷喷涂和热喷涂铝涂层的耐蚀性比较. 结果表明，低压冷喷涂铝涂层结构较为致密，其耐蚀性比高压冷喷涂铝涂层的略低，而明显优于热喷涂铝涂层.

关键词: 低压冷喷涂, 铝涂层, 热喷涂, 耐蚀性能

Abstract: Taking aluminium (Al) powder mixed with 10% (by volume) of Al2O3 powder as raw materials, the Al coating was prepared on the Q235 carbon steel substrate using a portable low pressure cold spraying equipment. Through the measurements of the corrosion potential and potentiodynamic polarization, the electrochemical corrosion behavior of the low pressure cold sprayed Al coating in seawater was studied in comparison with those of the Al coatings deposited with high pressure cold spray and thermal spray processes. At the same time, the surface and cross-section morphologies of these coatings were observed with scanning electron microscope. The results showed that the corrosion resistance of the low-pressure cold spraying Al coating, which is compact, is lower than that of the high pressure cold sprayed Al coating, while much higher than that of the thermally sprayed Al coating.

Key words: low pressure cold spraying, aluminum coating, thermal spraying, corrosion resistance

中图分类号:

O646.6

李相波, 许立坤, 邱善广, 王佳, 黄国胜, 董彩常. 碳钢低压冷喷涂铝涂层的海水耐蚀性[J]. 电化学（中英文）, 2013, 19(5): 425-429.

LI Xiang-bo, XU Li-kun, QIU Shan-guang, Wang jia, HUANG Guo-sheng, DONG Cai-chang. Corrosion Resistance of Low Pressure Cold Sprayed Al Coating on Q235 Steel in Seawater[J]. Journal of Electrochemistry, 2013, 19(5): 425-429.

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链接本文: https://electrochem.xmu.edu.cn/CN/10.61558/2993-074X.2130

https://electrochem.xmu.edu.cn/CN/Y2013/V19/I5/425

参考文献

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碳钢低压冷喷涂铝涂层的海水耐蚀性

Corrosion Resistance of Low Pressure Cold Sprayed Al Coating on Q235 Steel in Seawater

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