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首页> 外文期刊>Journal of Materials Engineering and Performance >Influence of Rust Permeability on Corrosion of E690 Steel in Industrial and Non-industrial Marine Splash Zones
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Influence of Rust Permeability on Corrosion of E690 Steel in Industrial and Non-industrial Marine Splash Zones

机译：防锈性对工业和非工业海洋飞溅区E690钢腐蚀的影响

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摘要

The corrosion behaviour of E690 steel in industrial and non-industrial marine splash environments was studied by environmental testing, morphology analysis, electrochemical measurements, and scanning Kelvin probe microscopy. Chloride and sulphide anions were found to diffuse across the rust layer following the evaporation of seawater splashed on the steel's surface. The cation-selective permeability of the rust layer resulted in an anion concentration gradient across the rust layer, which was more significant in the presence of sulphur dioxide. In addition, sulphur dioxide enhanced the formation of alpha-FeOOH, which led to the formation of distinct anode and cathode areas at the rust/steel interface.
机译：通过环境试验，形态学分析，电化学测量和扫描开尔文探针显微镜研究了E690钢在工业和非工业海洋飞溅环境中的腐蚀行为。 发现氯化物和硫化物阴离子在钢表面溅射后蒸发蒸发后散开锈层。 防锈层的阳离子选择性渗透性导致防锈层的阴离子浓度梯度，在二氧化硫存在下更显着。 此外，二氧化硫增强了α-FeOH的形成，其导致锈/钢界面处形成不同的阳极和阴极区域。

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