Characterization and properties of plasma electrolytic oxidation coating on low carbon steel fabricated from aluminate electrolyte

Vacuum ◽  
2017 ◽  
Vol 144 ◽  
pp. 207-216 ◽  
Author(s):  
Wenbin Yang ◽  
Qingbiao Li ◽  
Weimin Liu ◽  
Jun Liang ◽  
Zhenjun Peng ◽  
...  
2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Chunsheng Ma ◽  
Jian Liu ◽  
Xinhe Zhu ◽  
Wenbin Xue ◽  
Zhijun Yan ◽  
...  

Abstract A corrosion-resistant non-crystalline coating was fabricated by plasma electrolytic oxidation (PEO) on Q235 low carbon steel for ship pipes. The distribution and composition of chemical elements and phases of PEO coatings were analyzed by an orthogonal experiment, and the formation mechanism of PEO coatings was discussed. The corrosion current densities and corrosion potentials were measured. The results indicated that the formation of a transition layer mainly containing Fe3O4 was crucial for achieving an excellent coating quality. Furthermore, the corrosion current density of coated steel was reduced by 78% compared with the bare steel.


2016 ◽  
Vol 18 (8) ◽  
pp. 860-864 ◽  
Author(s):  
Hongtao Li ◽  
Jinfeng Kan ◽  
Bailing Jiang ◽  
Yanjie Liu ◽  
Zheng Liu

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