Comparison of rolling contact fatigue damage between railway wheels and twin-disc test specimens

被引：25

作者：

Strey, Nathan Fantecelle ^{[1
]}

Rezende, Andrei Bavaresco ^{[2
]}

Miranda, Rodrigo da Silva ^{[2
]}

da Fonseca, Solange Tamara ^{[2
]}

Mei, Paulo Roberto ^{[2
]}

Scandian, Cherlio ^{[1
]}

机构：

[1] Univ Fed Espirito Santo, Dept Mech Engn, BR-29075910 Vitoria, ES, Brazil

[2] Univ Estadual Campinas, Fac Mech Engn, BR-13083860 Campinas, SP, Brazil

来源：

TRIBOLOGY INTERNATIONAL | 2021年 / 160卷

关键词：

Rolling contact fatigue; Steel; Rail-wheel tribology; Wear testing; PEARLITIC RAIL; ROLLING/SLIDING WEAR; SLIDING CONTACT; PLASTIC STRAIN; CRACK-GROWTH; SLIP RATIO; STEEL; BEHAVIOR; DRY; WATER;

D O I：

10.1016/j.triboint.2021.107037

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Management of wheel-rail contact is of great importance for railways. It is essential to understand the tribology of railway materials to maximize productivity and reduce maintenance. Many studies on wear and rolling contact fatigue (RCF) were performed, ranging from field and full-scale experiments to small-scale tests, such as twindisc. However, comparison between results found in these distinct approaches are few. Thus, RCF damage was compared between twin-disc specimens and wheels removed from field operation. Some aspects of RCF were remarkably similar, such as plastically deformed layer thickness, microhardness, crack angle and material delamination. However, cracks depth and length were 10-15 times larger in wheels. Finally, laboratory tests hardly simulate RCF in advanced stages and relevant environmental effects.

引用

页数：12

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