自更新软-硬复合涂层的研制，用于稳定的水化润滑，具有高承载能力和延长耐久性

IF 6.1 1区工程技术 Q1 ENGINEERING, MECHANICAL

Tribology International Pub Date : 2025-04-03 DOI:10.1016/j.triboint.2025.110678

Meijun Feng , Mouji Li , Zhuanli Zhang , Ketian Gao , Xueyan Gong , Wufang Yang , Yanhua Liu , Jianbin Zhang , Zhengfeng Ma , Wenwen Zhao

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引用次数: 0

摘要

水化润滑以其环保、低摩擦系数、清洁、绿色等特点引起了人们的广泛关注。然而，实现稳定、低摩擦、高承载能力和长使用寿命的水润滑系统仍然是一个关键挑战。利用三异丙基丙烯酸硅酯（TIPSA）的水解特性，开发了一种采用软硬复合摩擦（SHCF）涂层策略的自更新、低摩擦水化润滑界面。通过FT-IR， XPS, FE-SEM， CA，拉伸测试和深度感测压痕（DSI）技术分析了它们的综合物理化学和力学性能。值得注意的是，通过控制界面降解，SHCF涂层实现了稳定的水化层，增强了润滑，底层未降解，提供了强大的承重支撑。测试表明，在30 N（1.59 MPa）载荷下，球盘往复摩擦原型的COF低至0.02。此外，由于其自我更新的微尺度界面，涂层保持了出色的耐久性，保持其低摩擦性能长达10 小时（36000次循环）。本研究提出了构建稳定、低摩擦、高承载能力和延长使用寿命的水润滑涂层的有效方法。

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Development of self-renewing soft-hard composite coating for stable hydration lubrication with high load capacity and extended durability

Hydration lubrication has attracted significant research interest due to its environmentally friendly characteristics, low coefficient of friction (COF), and clean, green nature. While, achieving a stable, low-friction water lubrication system with high load-bearing capacity and long service life remains a key challenge. Leveraging the hydrolytic properties of triisopropylsilyl acrylate (TIPSA), a self-renewing, low-friction hydration lubrication interface using a soft-hard composite friction (SHCF) coating strategy was developed. Their comprehensive physicochemical and mechanical properties were analyzed through FT-IR, XPS, FE-SEM, CA, tensile testing, and depth-sensing indentation (DSI) techniques. Notably, by controlling interfacial degradation, the SHCF coating achieved a stable hydration layer that enhanced lubrication and an undegraded bottom layer that provided robust load-bearing support. Testing with a ball-on-disk reciprocating friction prototype demonstrated a COF as low as 0.02 under 30 N (1.59 MPa) load. Furthermore, due to its self-renewing micro-scale interface, the coating maintained excellent durability, preserving its low-friction properties for up to 10 hours (36000 cycles). This study presents an effective approach to constructing stable, water-lubricated coatings with low friction, high load capacity, and extended service life.

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来源期刊

Tribology International 工程技术-工程：机械

CiteScore

10.10

自引率

16.10%

发文量

627

审稿时长

35 days

期刊介绍： Tribology is the science of rubbing surfaces and contributes to every facet of our everyday life, from live cell friction to engine lubrication and seismology. As such tribology is truly multidisciplinary and this extraordinary breadth of scientific interest is reflected in the scope of Tribology International. Tribology International seeks to publish original research papers of the highest scientific quality to provide an archival resource for scientists from all backgrounds. Written contributions are invited reporting experimental and modelling studies both in established areas of tribology and emerging fields. Scientific topics include the physics or chemistry of tribo-surfaces, bio-tribology, surface engineering and materials, contact mechanics, nano-tribology, lubricants and hydrodynamic lubrication.