热氧化对MoS2薄膜结构和摩擦学性能的影响

IF 1.8 4区工程技术 Q3 ENGINEERING, CHEMICAL

Lubrication Science Pub Date : 2022-10-14 DOI:10.1002/ls.1628

Hikmet Çiçek, Özkan Gözübüyük, İhsan Efeoğlu

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引用次数: 1

摘要

本研究的目的是研究热氧化MoS2薄膜的结构、力学和摩擦学行为。采用闭场非平衡磁控溅射法在D2工具钢基体上沉积MoS2涂层。热氧化过程在四种不同的温度下进行。通过大气环境中的销-盘磨损试验确定了摩擦学性能。确定热氧化温度影响MoS2膜的化学组成，但不引起膜厚度的任何变化。样品的磨损率根据氧化温度和施加的负载而不同。最低磨损率确定为1.97 × 350°C时氧化膜中的10−8 mm3/Nm。此外，获得的最高硬度值为655 在400°C下氧化的薄膜中的HV，在350°C下获得的最低摩擦系数为0.01。

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Effect of thermal oxidation on structural and tribological properties of MoS2 films

The aim of this study is to investigate the structural, mechanical and tribological behaviours of thermally oxidized MoS₂ films. MoS₂ coatings were deposited on D2 tool steel substrates using the closed field unbalanced magnetron sputtering method (CFUBMS). The thermal oxidation process was carried out at four different temperatures. Tribological properties were determined by pin-on-disc wear tests in the atmospheric environment. It was determined that thermal oxidation temperatures affected the chemical composition of MoS₂ films, but did not cause any change in film thickness. The wear rates of the samples differed depending on the oxidation temperature and the applied load. The lowest wear rate was determined as 1.97 × 10⁻⁸ mm³/Nm in the oxidized film at 350°C. In addition, the highest hardness value was obtained as 655 HV in the film oxidized at 400°C, and the lowest coefficient of friction was obtained as 0.01 in the film oxidized at 350°C.

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来源期刊

Lubrication Science ENGINEERING, CHEMICAL-ENGINEERING, MECHANICAL

CiteScore

3.60

自引率

10.50%

发文量

审稿时长

6.8 months

期刊介绍： Lubrication Science is devoted to high-quality research which notably advances fundamental and applied aspects of the science and technology related to lubrication. It publishes research articles, short communications and reviews which demonstrate novelty and cutting edge science in the field, aiming to become a key specialised venue for communicating advances in lubrication research and development. Lubrication is a diverse discipline ranging from lubrication concepts in industrial and automotive engineering, solid-state and gas lubrication, micro & nanolubrication phenomena, to lubrication in biological systems. To investigate these areas the scope of the journal encourages fundamental and application-based studies on: Synthesis, chemistry and the broader development of high-performing and environmentally adapted lubricants and additives. State of the art analytical tools and characterisation of lubricants, lubricated surfaces and interfaces. Solid lubricants, self-lubricating coatings and composites, lubricating nanoparticles. Gas lubrication. Extreme-conditions lubrication. Green-lubrication technology and lubricants. Tribochemistry and tribocorrosion of environment- and lubricant-interface interactions. Modelling of lubrication mechanisms and interface phenomena on different scales: from atomic and molecular to mezzo and structural. Modelling hydrodynamic and thin film lubrication. All lubrication related aspects of nanotribology. Surface-lubricant interface interactions and phenomena: wetting, adhesion and adsorption. Bio-lubrication, bio-lubricants and lubricated biological systems. Other novel and cutting-edge aspects of lubrication in all lubrication regimes.