Crack Growth Studies in Railway Axles under Corrosion Fatigue: Full-scale Experiments and Model Validation

被引：15

作者：

Beretta, S. ^{[1
]}

Carboni, M. ^{[1
]}

Lo Conte, A. ^{[1
]}

Regazzi, D. ^{[1
]}

Trasatti, S. ^{[2
]}

Rizzi, M. ^{[2
]}

机构：

[1] Politecn Milan, Dept Mech Engn, Via La Masa 1, I-20156 Milan, Italy

[2] Univ Milan, Dept Chem & Electrochem, I-20133 Milan, Italy

来源：

11TH INTERNATIONAL CONFERENCE ON THE MECHANICAL BEHAVIOR OF MATERIALS (ICM11) | 2011年 / 10卷

关键词：

A1T steel; Railway axles; Corrosion-fatigue; Crack Growth; STRENGTH;

D O I：

10.1016/j.proeng.2011.04.601

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Crack initiation and growth in full scale railway axle in A1T mild steel have been studied, under three points rotating bending loading conditions and artificial rainwater as corrosive environment. A surface plastic replication technique has been used along with optical microscopy and Scanning Electron Microscopy to monitor the environment assisted fatigue at various stages. A modified Murtaza and Akid empirical model has been employed to predict the corrosion fatigue crack growth rates and a reasonable agreement has been found between experimental and calculated lifetime. (C) 2011 Published by Elsevier Ltd. Selection and/or peer-review under responsibility of ICM11

引用

页码：3650 / 3655

页数：6

共 5 条

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[5]

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