Corrosion behavior of TiN monolayer and CrN/TiN multilayer coatings: Impact of immersion time and saline solution type

IF 1.8 4区材料科学 Q2 MATERIALS SCIENCE, CERAMICS

International Journal of Applied Ceramic Technology Pub Date : 2024-06-28 DOI:10.1111/ijac.14838

Zahra Andalibi Fazel, Hassan Elmkhah, Maryam Molaei, Nastaran Riahi-Noori, Arash Fattah-alhosseini

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引用次数: 0

Abstract

The corrosion behavior of the TiN monolayer and CrN/TiN multilayer coatings deposited via cathodic arc evaporation physical vapor deposition (CAE-PVD) on the Ti–6Al–4V substrates were evaluated in Ringer's and Hank's physiological saline electrolytes. XRD (x-ray diffractometry) and scanning electron microscopy (SEM) analysis were used to characterize the coatings. The corrosion behavior of coatings was assessed by impedance spectroscopy and potentiodynamic polarization techniques. The results showed that the corrosion resistance of coatings was increased in the order of TiN-Ringer's < TiN-Hank's < CrN/TiN-Ringer's < CrN/TiN-Hank's. Therefore, it can be concluded that the CrN/TiN coating, due to having a large number of interfaces and a smoother surface with fewer macroparticles and pinholes, is more efficient in raising the corrosion resistance properties of titanium than TiN monolayer coating. Moreover, it was observed that Ringer's solution is a more severe environment than Hank's solution. Both coatings, because of the precipitation of a protective corrosion products layer on their surface, showed an enhancement in corrosion resistance with increasing the immersion time from 1 to 14 days in Hank's. The results suggest TiN monolayer and CrN/TiN multilayer coatings as promising candidates for biomedical applications.

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TiN 单层和 CrN/TiN 多层涂层的腐蚀行为：浸泡时间和盐溶液类型的影响

通过阴极电弧蒸发物理气相沉积（CAE-PVD）沉积在 Ti-6Al-4V 基底上的 TiN 单层涂层和 CrN/TiN 多层涂层在林格生理盐水和汉克生理盐水电解液中的腐蚀行为进行了评估。采用 XRD（X 射线衍射仪）和扫描电子显微镜 (SEM) 分析来表征涂层。涂层的腐蚀行为通过阻抗光谱和电位极化技术进行了评估。结果表明，涂层的耐腐蚀性依次为 TiN-Ringer's；TiN-Hank's；CrN/TiN-Ringer's；CrN/TiN-Hank's。因此，可以得出结论：CrN/TiN 涂层由于具有大量界面，表面更光滑，大颗粒和针孔更少，因此比 TiN 单层涂层更能提高钛的耐腐蚀性能。此外，还观察到林格氏溶液的环境比汉克氏溶液更为恶劣。由于两种涂层表面都析出了腐蚀产物保护层，因此随着在 Hank's 溶液中浸泡时间从 1 天增加到 14 天，它们的耐腐蚀性能都有所增强。研究结果表明，TiN 单层涂层和 CrN/TiN 多层涂层在生物医学应用中大有可为。

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

International Journal of Applied Ceramic Technology 工程技术-材料科学：硅酸盐

CiteScore

3.90

自引率

9.50%

发文量

280

审稿时长

4.5 months

期刊介绍： The International Journal of Applied Ceramic Technology publishes cutting edge applied research and development work focused on commercialization of engineered ceramics, products and processes. The publication also explores the barriers to commercialization, design and testing, environmental health issues, international standardization activities, databases, and cost models. Designed to get high quality information to end-users quickly, the peer process is led by an editorial board of experts from industry, government, and universities. Each issue focuses on a high-interest, high-impact topic plus includes a range of papers detailing applications of ceramics. Papers on all aspects of applied ceramics are welcome including those in the following areas: Nanotechnology applications; Ceramic Armor; Ceramic and Technology for Energy Applications (e.g., Fuel Cells, Batteries, Solar, Thermoelectric, and HT Superconductors); Ceramic Matrix Composites; Functional Materials; Thermal and Environmental Barrier Coatings; Bioceramic Applications; Green Manufacturing; Ceramic Processing; Glass Technology; Fiber optics; Ceramics in Environmental Applications; Ceramics in Electronic, Photonic and Magnetic Applications;