模拟海水环境下高承载抗摩擦腐蚀的多层金刚石涂层设计

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

Diamond and Related Materials Pub Date : 2025-03-31 DOI:10.1016/j.diamond.2025.112270

Hui Song , Hui Zhang , Shihao Yang , Yiming Nan , Yuanyuan Mu , Wubo Chu , Ke Yang , He Li , Ming Pang , Nan Jiang , Kazhihito Nishimura

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引用次数: 0

摘要

采用微波等离子体化学气相沉积（MPCVD）法制备了微晶金刚石（MCD）和纳米晶金刚石（NCD）交替沉积的多层金刚石（MNCD）涂层。与单层金刚石涂层相比，详细研究了MNCD涂层在海水环境中的显微组织、力学性能和摩擦腐蚀性能。从磨损形貌、力学性能和相组成等方面讨论了相应的摩擦腐蚀机理。结果表明：在20 N的高载荷下，多层MNCD涂层的临界剥离载荷为82.3 N，稳定摩擦系数为0.1256，在模拟海水环境下，MNCD涂层的摩擦腐蚀性能优于SiC衬底和单层金刚石涂层，这是由于多层结构连续，界面结合良好，在滑动表面形成了Si氧化物。这些发现有助于更全面、科学地认识金刚石涂层的摩擦腐蚀机理，并有助于开发具有更好摩擦腐蚀性能的新型金刚石涂层。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Multi-layer design for the diamond coating with anti-tribocorrosive properties under high load-bearing in simulated seawater environment

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Multi-layer design for the diamond coating with anti-tribocorrosive properties under high load-bearing in simulated seawater environment

In this study, a multilayer diamond (MNCD) coating that was composed of alternate deposition of microcrystalline diamond (MCD) and nanocrystalline diamond (NCD) layers was prepared by microwave plasma chemical vapor deposition (MPCVD) method. The microstructure, mechanical properties and tribocorrosion properties of MNCD coating in seawater environment were studied in detail as compared with the single layer diamond coating. The corresponding tribocorrosion mechanism was discussed in terms of worn morphologies, mechanical property as well as phase composition. The results showed that the multilayer MNCD coating exhibited higher critical delamination load of 82.3 N and steady friction coefficient of 0.1256 at a high applied load of 20 N. The tribocorrosive property of MNCD coating was superior to that of the SiC substrate as well as single layer diamond coating in simulated seawater environment, which was attributed to the continuous multi-layer structure with a well-bonded interface and the formation of Si oxides on sliding surface. These findings are beneficial to provide a more comprehensive scientific understanding of the tribocorrosion mechanism of diamond coatings and facilitates the development of new diamond coatings with better tribocorrosion performance.

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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.