阐明硅/氮共结合 DLC 涂层在 SBF 环境中的三重腐蚀行为及其与 N/Si 比率的关系

IF 4.3 3区材料科学 Q2 MATERIALS SCIENCE, COATINGS & FILMS

Diamond and Related Materials Pub Date : 2025-04-15 DOI:10.1016/j.diamond.2025.112338

Haiyan Feng , Zhengyu Liu , Xubing Wei , Shiqi Lu , Jiaqing Ding , Tao Zhang , Junjie Lu , Chengyuan Liu , Aiping Lin , Kai Chen , Dekun Zhang , Guangan Zhang , Xiaowei Li

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引用次数: 0

摘要

在Ti6Al4V基体上沉积不同N/Si比的Si/N- dlc涂层，以阐明其依赖于N/Si的摩擦腐蚀行为及其机制。这些涂层增强了模拟体液中的耐摩擦腐蚀性能，将摩擦系数降低了2个数量级以上，磨损率降低了3-4个数量级。耐摩擦腐蚀性能与N/Si比密切相关，随着N/Si的增加呈抛物线趋势。其机理归因于混合润滑状态下的固液协同润滑。在低N/Si比下，增强的韧性和耐腐蚀性，加上传递膜和液体润滑膜形成的协同效应，导致了优异的耐摩擦腐蚀性能。在高N/Si比（包括N- dlc）下，耐蚀性降低加速了摩擦腐蚀损伤，降低了涂层的保护效果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Elucidating tribo-corrosion behaviors of Si/N co-incorporated DLC coatings in SBF environment and its dependence on the N/Si ratio

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Elucidating tribo-corrosion behaviors of Si/N co-incorporated DLC coatings in SBF environment and its dependence on the N/Si ratio

Si/N-DLC coatings with varying N/Si ratios were deposited on Ti6Al4V substrates to elucidate their N/Si-dependent tribo-corrosion behavior and underlying mechanisms. These coatings enhanced tribo-corrosion resistance in simulated body fluid, reducing the friction coefficient by over 2 orders and the wear rate by 3–4 orders of magnitude. Tribo-corrosion resistance strongly depended on the N/Si ratio, exhibiting a parabolic trend with increasing N/Si. The mechanism is attributed to solid-liquid synergistic lubrication in a mixed lubrication state. At low N/Si ratios, enhanced toughness and corrosion resistance, combined with synergistic effects from transfer film and liquid lubrication film formation, led to excellent tribo-corrosion resistance. At high N/Si ratios (including N-DLC), decreased corrosion resistance accelerated tribo-corrosion damage, reducing the coatings' protective efficacy.

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来源期刊

Diamond and Related Materials 工程技术-材料科学：综合

CiteScore

6.00

自引率

14.60%

发文量

702

审稿时长

2.1 months

期刊介绍： DRM is a leading international journal that publishes new fundamental and applied research on all forms of diamond, the integration of diamond with other advanced materials and development of technologies exploiting diamond. The synthesis, characterization and processing of single crystal diamond, polycrystalline films, nanodiamond powders and heterostructures with other advanced materials are encouraged topics for technical and review articles. In addition to diamond, the journal publishes manuscripts on the synthesis, characterization and application of other related materials including diamond-like carbons, carbon nanotubes, graphene, and boron and carbon nitrides. Articles are sought on the chemical functionalization of diamond and related materials as well as their use in electrochemistry, energy storage and conversion, chemical and biological sensing, imaging, thermal management, photonic and quantum applications, electron emission and electronic devices. The International Conference on Diamond and Carbon Materials has evolved into the largest and most well attended forum in the field of diamond, providing a forum to showcase the latest results in the science and technology of diamond and other carbon materials such as carbon nanotubes, graphene, and diamond-like carbon. Run annually in association with Diamond and Related Materials the conference provides junior and established researchers the opportunity to exchange the latest results ranging from fundamental physical and chemical concepts to applied research focusing on the next generation carbon-based devices.