Wheel-rail low adhesion issues and its effect on wheel-rail material damage at high speed under different interfacial contaminations

被引：8

作者：

Wu, Bing ^{[1
]}

An, Boyang ^{[2
]}

Wen, Zefeng ^{[3
]}

Wang, Wenjian ^{[3
]}

Wu, Tao ^{[3
]}

机构：

[1] Soochow Univ, Sch Rail Transportat, Suzhou, Peoples R China

[2] Southwest Jiaotong Univ, MOE Key Lab High Speed Railway Engn, Chengdu, Sichuan, Peoples R China

[3] Southwest Jiaotong Univ, State Key Lab Tract Power, Chengdu, Sichuan, Peoples R China

来源：

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE | 2019年 / 233卷 / 15期

关键词：

Wheel-rail adhesion; interfacial contaminations; rolling contact fatigue; high-speed experiment; temperature; ROLLING-CONTACT FATIGUE; WATER; WEAR; OIL; TEMPERATURE; FRICTION; BEHAVIOR; MODEL; SIZE; SLIP;

D O I：

10.1177/0954406219842285

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The objective of this paper is to ascertain the wheel-rail low adhesion mechanism using a high-speed wheel-rail rolling contact test rig under different interfacial contaminations. Based on the experimental results, a numerical method was proposed to investigate the wheel-rail wear and rolling contact fatigue due to low adhesion issues. The experimental results indicated that the wheel-rail low adhesion phenomena can happen under interfacial liquid contaminations, especially at high-speed running condition. Preliminary numerical investigations showed that the low adhesion condition can easily lead to sliding hence serious wear, especially at the speed between 160 km/h and 200 km/h. The temperature rise within the contact patch can be significantly more severe once wheel and rail are in full slip, causing rolling contact fatigue due to material softening.

引用

页码：5477 / 5490

页数：14

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