油脂润滑轴承氧化诱导时间和阿累尼乌斯温度的测定

IF 6.1 1区工程技术 Q1 ENGINEERING, MECHANICAL

Tribology International Pub Date : 2025-08-24 DOI:10.1016/j.triboint.2025.111072

Yhan O. Williams , Piet M. Lugt , Christoph Schneidhofer , Andras Vernes

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引用次数: 0

摘要

球轴承中油脂的化学降解是由氧化引起的，这是由于抗氧化剂耗尽而发生的。这个发生的点叫做感应时间。在这项研究中，我们使用等转换弗里德曼方法的热重分析检测了几种高质量商业润滑脂的氧化诱导时间。通过推导临界转换点的动力学参数，我们证明了这些参数可以预测温度对极低负载条件下润滑脂寿命的影响。我们的建模方法成功地复制了润滑脂寿命测试中观察到的典型阿伦尼乌斯行为，支持其作为润滑脂寿命预测工具和润滑脂配方优化的实用性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

On measuring the oxidation induction time and Arrhenius temperature for grease lubricated bearings

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On measuring the oxidation induction time and Arrhenius temperature for grease lubricated bearings

Chemical degradation of grease in ball bearings is caused by oxidation, which occurs as antioxidants are depleted. The point at which this happens is called the induction time. In this study, we examined the oxidation induction time of several high-quality commercial greases using thermogravimetric analysis with an isoconversional Friedman method. By deriving kinetic parameters at critical conversion points, we demonstrated that these parameters could predict the impact of temperature on grease life under very low load conditions. Our modeling approach successfully replicated the characteristic Arrhenius behavior observed in grease life tests supporting its utility as a predictive tool for grease life and the optimization of grease formulation.

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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.