了解 Si/N-DLC 薄膜在海洋环境中的三重腐蚀行为和机理

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

Diamond and Related Materials Pub Date : 2024-11-06 DOI:10.1016/j.diamond.2024.111756

Xubing Wei , Zan Chen , Haiyan Feng , Zhengyu Liu , Shiqi Lu , Jiaqing Ding , Naizhou Du , Pingmei Yin , Weibo Yang , Xiaowei Li , Guangan Zhang

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引用次数: 0

摘要

本文通过调节 N2 前驱体的流速沉积了一系列 Si/N-DLC 薄膜，旨在阐明它们在海洋环境中的三重腐蚀行为及其内在机理。结果表明，沉积的 Si/N-DLC 薄膜显著增强了基底在海水中的抗三腐蚀能力。这种提高最初是先增加后减小，这种趋势归因于薄膜的韧性。三重腐蚀的基本机理涉及由 Si/N-DLC 薄膜和海水组成的固液复合润滑，它取决于液相润滑的充分性、摩擦界面的石墨化程度以及薄膜的韧性。在这一过程中，由于腐蚀产物的扩散、三化学产物的形成以及磨损碎片的产生，腐蚀通道被堵塞。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Understanding the tribo-corrosion behaviors and mechanism of Si/N-DLC films in marine environment

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Understanding the tribo-corrosion behaviors and mechanism of Si/N-DLC films in marine environment

Herein, a series of Si/N-DLC films were deposited by modulating the flow rate of the N₂ precursor, with the aim of elucidating their tribo-corrosion behaviors and underlying mechanisms in a marine environment. The results indicate that the deposited Si/N-DLC films significantly enhance the substrate's resistance to tribo-corrosion in seawater. This improvement initially increases and then decreases, a trend attributed to the toughness of the film. The fundamental tribo-corrosion mechanism involves a solid-liquid composite lubrication composed of Si/N-DLC film and seawater, and it is dependent on the adequacy of liquid-phase lubrication, the graphitization degree at the friction interface, and the film toughness. This process is coupled with the blockage of corrosion pathways due to the diffusion of corrosion products, the formation of tribo-chemical products, and the generation of wear debris.

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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.