Effect of selective pre-oxidation on the growth and corrosion resistance of hot-dip zinc coating of nodular cast iron

被引：15
|
作者：
Wu, Hui [1 ,2 ]
Peng, Haoping [1 ,2 ]
Liu, Ya [1 ,2 ]
Tu, Hao [1 ,2 ]
Wang, Jianhua [1 ,2 ]
Su, Xuping [1 ,2 ]
机构：
[1] Changzhou Univ, Key Lab Mat Surface Sci & Technol Jiangsu Prov, Changzhou 213164, Jiangsu, Peoples R China
[2] Changzhou Univ, Jiangsu Collaborat Innovat Ctr Photovolta Sci & E, Changzhou 213164, Jiangsu, Peoples R China
来源：
CORROSION SCIENCE | 2021年 / 186卷
基金：
中国国家自然科学基金;
关键词：
Selective pre-oxidation; Hot-dip galvanized; Coating growth; Corrosion resistance; OXIDATION; BEHAVIOR; XPS; SI; MICROSTRUCTURES; SPECTROSCOPY; PARTICLES;
D O I：
10.1016/j.corsci.2021.109463
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
When pre-oxidation is carried out at 800 degrees C and 1 atm, only ordinary oxidation occurs on the surface of nodular cast iron, and the main pre-oxidation product is Fe2O3. The oxidation of nodular cast iron following pre-oxidation at 800 degrees C and low oxygen pressure is selective and the main pre-oxidation product is SiO2. After the selective preoxidation treatment, the corrosion current density of the zeta layer of nodular cast iron is significantly reduced, and its impedance response is significantly increased.
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收藏
页数：9
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