轮胎/钢轨接触：污染接触案例的实验研究

IF 6.1 1区工程技术 Q1 ENGINEERING, MECHANICAL

Tribology International Pub Date : 2025-03-31 DOI:10.1016/j.triboint.2025.110673

Bilel Jebali, Manuela Gennesseaux, Malal Kane

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引用次数: 0

摘要

本文研究了污染条件下轮胎与钢轨接触时表面织构对摩擦系数的影响。采用针盘试验对三种污染方案（单次润湿、周期性润湿和周期性润湿油脂）中具有不同纹理的四种钢样品进行了评估。结果表明：单次润湿条件下，开槽和喷丸试样的CoF值相近，喷丸试样的CoF值最高；周期性润湿表现出最小的CoF方差，而周期性润湿的油脂在ES5（沟槽和反沟槽）和ES3（沟槽/喷淋）样品中导致最高的CoF。研究结果表明，织构高度对CoF振荡有显著影响，在一定条件下，峰谷密度等参数对CoF振荡的影响比单独的沟槽更为重要。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Tyre/rail contact: An experimental investigation on contaminated contact cases

This article investigates how surface texture affects the coefficient of friction (CoF) in tire-rail contact under contaminated conditions. A pin-on-disc test was used to evaluate four steel samples with distinct textures across three contamination protocols: single wetting, periodic wetting, and grease with periodic wetting. Results indicate that under single wetting, CoF values for grooved and shot-peened samples were similar, with the highest CoF in shot-peened samples. Periodic wetting showed minimal CoF variance, while grease with periodic wetting led to the highest CoF in samples ES5 (grooved and counter grooved) and ES3 (grooved/shot peened). Findings suggest that texture height significantly affects CoF oscillations, with parameters like peak and valley density playing a more crucial role than grooves alone under certain conditions.

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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.