Construction of superhydrophobic film on the titanium alloy welded joint and its corrosion resistance study

IF 2.3 4区材料科学 Q2 METALLURGY & METALLURGICAL ENGINEERING Anti-corrosion Methods and Materials Pub Date : 2023-08-30 DOI:10.1108/acmm-05-2023-2812

Dalei Zhang, Xinwei Zhang, Enze Wei, Xiaohui Dou, Zonghao He

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Abstract

Purpose This study aims to improve the corrosion resistance of TA2-welded joints by superhydrophobic surface modification using micro-arc oxidation technology and low surface energy substance modification. Design/methodology/approach The microstructure and chemical state of the superhydrophobic film layer were analyzed using scanning electron microscopy, energy dispersive X-ray spectroscopy, three-dimensional morphology, X-ray diffraction, X-ray photoelectron spectroscopy and Fourier transform infrared absorption spectroscopy. The influence of the superhydrophobic film layer on the corrosion resistance of TA2-welded joints was investigated using classical electrochemical testing methods. Findings The characterization results showed that the super hydrophobic TiO2 ceramic membrane was successfully constructed on the surface of the TA2-welded joint, and the construction of the super hydrophobic film greatly improved the corrosion resistance of the TA2-welded joint. Originality/value The superhydrophobic TiO2 ceramic membrane has excellent corrosion resistance. The micro nanostructure in the superhydrophobic film can intercept air to form an air layer to prevent the corrosion medium from contacting the surface, thus, improving the corrosion resistance of the sample.

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钛合金焊接接头超疏水膜的制备及其耐蚀性研究

目的采用微弧氧化技术和低表面能物质改性的超疏水表面改性方法提高ta2焊接接头的耐蚀性。采用扫描电镜、能量色散x射线能谱、三维形貌、x射线衍射、x射线光电子能谱和傅里叶变换红外吸收光谱对超疏水膜层的微观结构和化学状态进行了分析。采用经典电化学测试方法研究了超疏水膜层对ta2焊接接头耐蚀性的影响。表征结果表明，在ta2焊接接头表面成功构建了超疏水TiO2陶瓷膜，超疏水膜的构建大大提高了ta2焊接接头的耐腐蚀性。该超疏水TiO2陶瓷膜具有优异的耐腐蚀性。超疏水膜中的微纳米结构可以拦截空气形成空气层，防止腐蚀介质接触表面，从而提高样品的耐腐蚀性。

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来源期刊

Anti-corrosion Methods and Materials 工程技术-冶金工程

CiteScore

2.80

自引率

16.70%

发文量

审稿时长

13.5 months

期刊介绍： Anti-Corrosion Methods and Materials publishes a broad coverage of the materials and techniques employed in corrosion prevention. Coverage is essentially of a practical nature and designed to be of material benefit to those working in the field. Proven applications are covered together with company news and new product information. Anti-Corrosion Methods and Materials now also includes research articles that reflect the most interesting and strategically important research and development activities from around the world. Every year, industry pays a massive and rising cost for its corrosion problems. Research and development into new materials, processes and initiatives to combat this loss is increasing, and new findings are constantly coming to light which can help to beat corrosion problems throughout industry. This journal uniquely focuses on these exciting developments to make essential reading for anyone aiming to regain profits lost through corrosion difficulties. • New methods, materials and software • New developments in research and industry • Stainless steels • Protection of structural steelwork • Industry update, conference news, dates and events • Environmental issues • Health & safety, including EC regulations • Corrosion monitoring and plant health assessment • The latest equipment and processes • Corrosion cost and corrosion risk management.