高温下不同陶瓷材料对氯苯基硅油的摩擦学和吸附性能研究

IF 3.1 3区工程技术 Q2 ENGINEERING, MECHANICAL

Lubricants Pub Date : 2024-07-06 DOI:10.3390/lubricants12070249

Jie Cheng, Yan Meng, Fangxu Sun, Luo Yue, Xue Zhou, Peng Wei, Hui Zhao, Xiangli Wen, P. Bai, Qian Zhao, Yonggang Meng, Yu Tian

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引用次数: 0

摘要

随着技术要求的发展，轴承材料目前面临的挑战主要围绕高温条件和材料轻量化趋势。全陶瓷轴承以其优异的性能成为新的候选材料。本文详细介绍了氯苯基硅油（CPSO）作为高温润滑剂在陶瓷摩擦学体系（ZrO2、Al2O3 和 Si3N4）中的摩擦学和吸附性能。在这三种陶瓷摩擦学体系中，润滑性能可按 Si3N4 > Al2O3 > ZrO2 排序，因为 ZrO2 和 Al2O3 三元体系的磨损率分别是 Si3N4 三元体系的近 1135.67 倍和 283.33 倍。观察到的结果可以用 CPSO 在 Si3N4 陶瓷表面上的优异吸附性能来解释。分子动力学模拟结果表明，与 ZrO2 和 Al2O3 陶瓷相比，CPSO/Si3N4 的吸附能分别高出近 54.09 倍和 61.18 倍。这些发现为理解 CPSO 在全陶瓷三元体系中的润滑性能提供了实验和理论依据。

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The Tribological and Adsorption Performance of Chlorophenyl Silicone Oil Using Different Ceramic Materials under High Temperature

With the development of technical requirements, the current challenges faced by bearing materials mainly revolve around high-temperature conditions and the trend towards material lightweighting. Full ceramic bearings are the new candidate due to their excellent properties. This article details the tribological and adsorption performance of chlorophenyl silicone oil (CPSO) as a high-temperature lubricant in ceramic tribological systems (ZrO2, Al2O3, and Si3N4). Among the three ceramic tribological systems, the lubrication performance can be ordered as Si3N4 > Al2O3 > ZrO2, as the wear rates of the ZrO2 and Al2O3 tribo-systems are almost 1135.67 and 283.33 times larger than that of the Si3N4 tribo-system, respectively. The observed results can be explained by the superior adsorption performance of CPSO on a Si3N4 ceramic surface, which was calculated by molecular dynamic simulation. The molecular dynamic simulation results show the adsorption energy of CPSO/Si3N4 is almost 54.09 and 61.18 times higher compared to that on ZrO2 and Al2O3 ceramics. These findings provide experimental and theoretical insights for understanding the lubrication performance of CPSO in a full ceramic tribo-system.

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来源期刊

Lubricants Engineering-Mechanical Engineering

CiteScore

3.60

自引率

25.70%

发文量

293

审稿时长

11 weeks

期刊介绍： This journal is dedicated to the field of Tribology and closely related disciplines. This includes the fundamentals of the following topics: -Lubrication, comprising hydrostatics, hydrodynamics, elastohydrodynamics, mixed and boundary regimes of lubrication -Friction, comprising viscous shear, Newtonian and non-Newtonian traction, boundary friction -Wear, including adhesion, abrasion, tribo-corrosion, scuffing and scoring -Cavitation and erosion -Sub-surface stressing, fatigue spalling, pitting, micro-pitting -Contact Mechanics: elasticity, elasto-plasticity, adhesion, viscoelasticity, poroelasticity, coatings and solid lubricants, layered bonded and unbonded solids -Surface Science: topography, tribo-film formation, lubricant–surface combination, surface texturing, micro-hydrodynamics, micro-elastohydrodynamics -Rheology: Newtonian, non-Newtonian fluids, dilatants, pseudo-plastics, thixotropy, shear thinning -Physical chemistry of lubricants, boundary active species, adsorption, bonding