Friction and wear properties of textured surface for bearing steel with mango-shaped micro geometries

IF 1.5 4区工程技术 Q3 ENGINEERING, MECHANICAL Industrial Lubrication and Tribology Pub Date : 2024-07-22 DOI:10.1108/ilt-02-2024-0039

Qiang Xiao, Liu Yi-Cong, Yue-Peng Zhou, Zhi-Hong Wang, Sui-Xin Fan, Jun-Hu Meng, Junde Guo

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Abstract

Purpose

Given the current friction and wear challenges faced by automobile parts and bearings, this study aims to identify a novel texture for creating anti-friction and wear-resistant surfaces. This includes detailing the preparation process with the objective of mitigating friction and wear in working conditions.

Design/methodology/approach

Femtosecond laser technology was used to create a mango-shaped texture on the surface of GCr15 bearing steel. The optimized processing technology of the texture surface was obtained through adjusting the laser scanning speed. The tribological behavior of the laser-textured surface was investigated using a reciprocating tribometer.

Findings

The friction coefficient of the mango-shaped texture surface is 25% lower than that of the conventional surface, this can be attributed to the reduced contact area between the friction ball and the micro-textured surface, leading to stress concentration at the extrusion edge and a larger stress distribution area on the contact part of the ball and disk compared to the conventional surface and the function of the micro-texture in storing wear chips during the sliding process, thereby reducing secondary wear.

Originality/value

The mango-shaped textured surface in this study demonstrates effective solutions for some of the friction and wear issues, offering significant benefits for equipment operation under light load conditions.

Peer review

The peer review history for this article is available at: https://publons.com/publon/10.1108/ILT-04-2024-0127/

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具有芒果形微几何形状的轴承钢纹理表面的摩擦和磨损特性

目的鉴于汽车零件和轴承目前面临的摩擦和磨损挑战，本研究旨在确定一种新型纹理，用于制造抗摩擦和耐磨表面。设计/方法/途径采用飞秒激光技术在 GCr15 轴承钢表面制作芒果形纹理。通过调整激光扫描速度，优化了纹理表面的加工工艺。与传统表面相比，芒果形纹理表面的摩擦系数比传统表面低 25%，这可能是由于摩擦球与微纹理表面的接触面积减小，导致挤压边缘应力集中，球和盘接触部分的应力分布面积增大，以及微纹理在滑动过程中具有存储磨损屑的功能，从而减少了二次磨损。原创性/价值本研究中的芒果形纹理表面展示了一些摩擦和磨损问题的有效解决方案，为设备在轻载条件下的运行提供了显著的益处。同行评议本文的同行评议记录可在以下网址查阅：https://publons.com/publon/10.1108/ILT-04-2024-0127/。

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来源期刊

Industrial Lubrication and Tribology 工程技术-工程：机械

CiteScore

3.00

自引率

18.80%

发文量

129

审稿时长

1.9 months

期刊介绍： Industrial Lubrication and Tribology provides a broad coverage of the materials and techniques employed in tribology. It contains a firm technical news element which brings together and promotes best practice in the three disciplines of tribology, which comprise lubrication, wear and friction. ILT also follows the progress of research into advanced lubricants, bearings, seals, gears and related machinery parts, as well as materials selection. A double-blind peer review process involving the editor and other subject experts ensures the content''s validity and relevance.