A feasible strategy to construct WC-Co-Cr/cu composite coating with good tribo-corrosion behavior and anti-fouling properties for marine applications

IF 6.1 1区工程技术 Q1 ENGINEERING, MECHANICAL Wear Pub Date : 2025-03-15 Epub Date: 2025-01-11 DOI:10.1016/j.wear.2025.205738

Zhenxin Qiao , Rui Yang , Yi Liu , Xiaohua Feng , Jing Huang , Ye Tian , Ping Zhou , Hidetoshi Saitoh , Xiaomei Liu , Botao Zhang , Hua Li

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Abstract

Various protective coatings are applied to marine components to mitigate friction, wear, corrosion, and biofouling. However, these issues can arise simultaneously under certain operating conditions, posing significant challenges to the performance and durability of marine components. In this study, core-shell structured WC-Co-Cr/Cu powders were fabricated using electroless plating, and a high-velocity oxygen-fuel (HVOF) spraying technique was employed to deposit the WC-Co-Cr/Cu coating. The results demonstrated that the tribo-corrosion behavior of the WC-Co-Cr/Cu coating improved compared to that of the HVOF WC-10Co-4Cr coating, although there was a slight reduction in corrosion resistance. Additionally, the incorporation of Cu significantly reduced the adhesion rates of Bacillus subtilis and Phaeodactylum tricornutum, indicating that the WC-Co-Cr/Cu coating gained anti-biofouling properties from the presence of Cu. Overall, the development of this WC-Co-Cr/Cu coating presents a promising solution for marine components, providing enhanced tribo-corrosion performance and effective anti-biofouling properties.

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构建具有良好摩擦腐蚀和防污性能的WC-Co-Cr/cu复合涂层是一种可行的策略

各种保护涂层应用于船舶部件，以减轻摩擦、磨损、腐蚀和生物污染。然而，在某些操作条件下，这些问题可能同时出现，对船舶部件的性能和耐用性提出了重大挑战。本研究采用化学镀法制备了核壳结构的WC-Co-Cr/Cu粉末，并采用高速氧燃料（HVOF）喷涂技术沉积WC-Co-Cr/Cu涂层。结果表明，与HVOF WC-10Co-4Cr涂层相比，WC-Co-Cr/Cu涂层的摩擦腐蚀性能有所改善，但耐腐蚀性略有降低。此外，Cu的加入显著降低了枯草芽孢杆菌和三角褐指藻的粘附率，表明WC-Co-Cr/Cu涂层在Cu的存在下获得了抗生物污染的性能。总的来说，这种WC-Co-Cr/Cu涂层的发展为船舶部件提供了一种有前途的解决方案，提供了增强的摩擦腐蚀性能和有效的抗生物污染性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Wear 工程技术-材料科学：综合

CiteScore

8.80

自引率

8.00%

发文量

280

审稿时长

47 days

期刊介绍： Wear journal is dedicated to the advancement of basic and applied knowledge concerning the nature of wear of materials. Broadly, topics of interest range from development of fundamental understanding of the mechanisms of wear to innovative solutions to practical engineering problems. Authors of experimental studies are expected to comment on the repeatability of the data, and whenever possible, conduct multiple measurements under similar testing conditions. Further, Wear embraces the highest standards of professional ethics, and the detection of matching content, either in written or graphical form, from other publications by the current authors or by others, may result in rejection.