Alumina nanoparticles-reinforced graphene-containing waterborne polyurethane coating for enhancing corrosion and wear resistance

被引：0

作者：

Xueting Chang ^{[1
]}

Xiaoqiu Chen ^{[1
]}

Qingyun Zhang ^{[2
]}

Yanhua Lei ^{[1
]}

Dongsheng Wang ^{[1
]}

Jinyang Li ^{[1
]}

Shibin Sun ^{[2
]}

机构：

[1] Institute of Marine Materials Science and Engineering, College of Ocean Science and Engineering, Shanghai Maritime University

[2] College of Logistics Engineering, Shanghai Maritime

来源：

Corrosion Communications | 2021年 / 4卷 / 04期

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摘要：

In this paper,aluminum oxide （Al2O3） nanoparticles-reinforced graphene （G）-containing waterborne polyurethane （WPU） coatings were prepared on the EH40 steel substrate.Wear and corrosion resistance of the Al2O3/G/WPU coatings with different Al2O3 contents were investigated by wear test,electrochemical impedance spectroscopy,and salt spray test.Results showed that the Al2O3/G/WPU coatings exhibited highly enhanced wear and corrosion resistance in comparison with the G/WPU coatings.The Al2O3/G/WPU coating with 3 wt.%Al2O3 was found to exhibit the best performance in terms of friction coefficient,wear volume,corrosion current,and impedance.The Al2O3/G/WPU coatings with promising wear and corrosion resistance may find widespread potential applications in polar icebreaking ship steels.

引用

页码：1 / 11

页数：11

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