Lipophilic and friction properties of 20CrMnTi steel with laser-induced texturing

被引：6
作者：
Zhang, Yu [1 ,2 ]
Jia, Xianda [1 ,2 ]
He, Kun [1 ,2 ]
Dong, Xinran [1 ,2 ]
Wang, Zhiyong [1 ,2 ]
Liao, Kai [2 ]
机构：
[1] Cent South Univ Forestry & Technol, Inst Modern Mech Transmiss Engn Technol, Changsha 410004, Hunan, Peoples R China
[2] Cent South Univ Forestry & Technol, Engn Res Ctr Forestry Equipment Hunan Prov, Changsha 410004, Hunan, Peoples R China
来源：
TRIBOLOGY INTERNATIONAL | 2024年 / 194卷
基金：
中国国家自然科学基金;
关键词：
Laser surface texturing; Spur gear; Lipophilicity; Wear resistance; ELASTOHYDRODYNAMIC LUBRICATION; SURFACE; BEARINGS; PAIRS;
D O I：
10.1016/j.triboint.2024.109550
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Laser surface texturing is an effective method to enhance gear lubrication by improving lipophilic properties, thereby increasing transmission performance and longevity. This study investigated the effects of laser parameters on lipophilicity using a grid texture and found that a scanning speed of 100 mm/s maximized diffusion and climbing. The textured specimens showed higher wetting hysteresis and adsorption, forming a thicker oil film for better lubrication. Wear tests indicated that the textured specimen had reduced friction, wear quality, and depth by 49.2% and 66.34% compared to unprocessed specimens. Gear efficiency is effectively increased, and gear oil temperature is significantly reduced. This research offers insights into lipophilic characterization and gear lubrication enhancement, potentially decreasing surface failures like pitting, adhesion, and wear.
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页数：11
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