Zn-Mn合金氧化膜的组织调控及耐蚀性研究

IF 6.9 2区材料科学 Q2 CHEMISTRY, PHYSICAL

Applied Surface Science Pub Date : 2025-03-21 DOI:10.1016/j.apsusc.2025.163049

Shineng Sun , Jie Yu , Ying Chang , Yiheng Zheng , Chao Wang , Wei Hua

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引用次数: 0

摘要

锌及其合金以其优异的力学性能被广泛应用于建筑装饰材料，提高其耐腐蚀性能对锌合金表面处理技术的发展具有重要的现实意义。本研究采用原位成膜工艺对Zn-0.5Mn合金阳极氧化进行调控，电流密度对其微观组织有显著影响。ZnO是阳极氧化膜的主要成分，其表面存在不规则孔隙和缺陷。随着电流密度的增加，氧化膜的颜色趋于黄色，这一点由色度坐标证实。极化曲线和电化学阻抗谱测量结果表明，在10 A/dm2电流密度下，保护膜的耐腐蚀性比Zn-0.5Mn合金低一个数量级。本实验制备的原位生长层可以有效延长锌合金的使用寿命，提高锌合金的耐腐蚀性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Microstructural regulation of Zn-Mn alloy oxide films and investigation of corrosion resistance

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Microstructural regulation of Zn-Mn alloy oxide films and investigation of corrosion resistance

Increasing corrosion resistance has substantial practical importance for the development of Zn alloy surface treatment technology, as zinc and its alloys are commonly used as building decoration materials because to their excellent mechanical properties. In this study, an in-situ film creation process is used for regulating the anodization of Zn-0.5Mn alloy, and the microstructure is significantly impacted by current density. ZnO is the main component of anodization films, which have irregular porosity and imperfections in the surface. The oxide film color tends to be yellow as the current density increases, as confirmed by the chromaticity coordinates. The protective film has an order of magnitude lower corrosion resistance than the Zn-0.5Mn alloy under 10 A/dm² current density, according to the polarization curve and Electrochemical Impedance Spectroscopy measurements. The in-situ growth layer produced in this experiment can effectively extend the service life of the zinc alloy and improve the corrosion resistance of the zinc alloy.

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来源期刊

Applied Surface Science 工程技术-材料科学：膜

CiteScore

12.50

自引率

7.50%

发文量

3393

审稿时长

67 days

期刊介绍： Applied Surface Science covers topics contributing to a better understanding of surfaces, interfaces, nanostructures and their applications. The journal is concerned with scientific research on the atomic and molecular level of material properties determined with specific surface analytical techniques and/or computational methods, as well as the processing of such structures.