硅烷化铈-单宁酸溶液钝化镀锌钢的耐腐蚀性研究

IF 5.3 2区材料科学 Q1 MATERIALS SCIENCE, COATINGS & FILMS

Surface & Coatings Technology Pub Date : 2024-10-30 DOI:10.1016/j.surfcoat.2024.131483

Tianyuan Zhang , Juan Wang , Jian Shen , Xiujuan Wang , Xianjie Fan , Zhuhan Liu , Mengting Bao , Bingtang Wang , Yi Feng

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引用次数: 0

摘要

本研究开发了硅烷化铈-单宁酸（Ce-TA）钝化溶液，并研究了溶液成分和钝化时间对镀锌钢耐腐蚀性的影响。使用扫描电子显微镜-电子显微镜、原子力显微镜、傅立叶变换红外光谱和拉曼光谱对硅烷化 Ce-TA 钝化样品进行了表征。当钝化溶液中硝酸铈和单宁酸的浓度均为 1.5 克/升、钝化持续时间为 45 秒时，钝化样品的表面完整性和成分均匀性良好。电化学测量结果表明，随着钝化时间的延长，硅烷化 Ce-TA 钝化样品的 |Z|0.01Hz 和 Rt 值先升高后降低。随着 Ce-TA 含量的增加，这些值也是先增大后减小。钝化样品的耐腐蚀效率超过 97%。此外，还讨论了硅烷化 Ce-TA 钝化的耐腐蚀机理。

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Study on corrosion resistance of galvanised steel passivated by a silanised cerium-tannic acid solution

In this study, a silanised cerium-tannic acid (Ce-TA) passivation solution was developed, and the effects of solution composition and passivation time on the corrosion resistance of galvanised steel were investigated. SEM-EDS, AFM, FTIR, and Raman spectroscopy were used to characterise the silanised Ce-TA-passivated samples. When the concentrations of both cerium nitrate and tannic acid in the passivation solution were 1.5 g/L, and the passivation duration was 45 s, the surface integrity and composition homogeneity of the passivated sample were good. Electrochemical measurements revealed that the |Z|_0.01Hz and R_t values of the silanised Ce-TA-passivated samples first increased and then decreased with increasing passivation time. These values also first increased and then decreased with the increase in the amount of Ce-TA. The corrosion resistance efficiencies of the passivated samples exceeded 97 %. The corrosion resistance mechanism of silanised Ce-TA passivation is also discussed.

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来源期刊

Surface & Coatings Technology 工程技术-材料科学：膜

CiteScore

10.00

自引率

11.10%

发文量

921

审稿时长

19 days

期刊介绍： Surface and Coatings Technology is an international archival journal publishing scientific papers on significant developments in surface and interface engineering to modify and improve the surface properties of materials for protection in demanding contact conditions or aggressive environments, or for enhanced functional performance. Contributions range from original scientific articles concerned with fundamental and applied aspects of research or direct applications of metallic, inorganic, organic and composite coatings, to invited reviews of current technology in specific areas. Papers submitted to this journal are expected to be in line with the following aspects in processes, and properties/performance: A. Processes: Physical and chemical vapour deposition techniques, thermal and plasma spraying, surface modification by directed energy techniques such as ion, electron and laser beams, thermo-chemical treatment, wet chemical and electrochemical processes such as plating, sol-gel coating, anodization, plasma electrolytic oxidation, etc., but excluding painting. B. Properties/performance: friction performance, wear resistance (e.g., abrasion, erosion, fretting, etc), corrosion and oxidation resistance, thermal protection, diffusion resistance, hydrophilicity/hydrophobicity, and properties relevant to smart materials behaviour and enhanced multifunctional performance for environmental, energy and medical applications, but excluding device aspects.