An Investigation on Determining Surface Damage Tolerance of High-Speed Train Axles

Lijun Ma, Q. Li, Wenjing Wang
{"title":"An Investigation on Determining Surface Damage Tolerance of High-Speed Train Axles","authors":"Lijun Ma, Q. Li, Wenjing Wang","doi":"10.1109/ISSSR58837.2023.00040","DOIUrl":null,"url":null,"abstract":"Axles in service are easy to be impacted by foreign object damage rolled up by the aerodynamic effect, which reduce the safe, reliable and efficient operation of high-speed train. In order to determine the damage tolerance on axle surface, it is imperative to investigate the evolvement rule of defect propagation to crack and thus predict accurately the remaining strength of axles. Hence, fatigue experiments on full-scale axles and small-scale specimens with introduction of prefabricated defect have been performed to determine the impact damage tolerance size. An interpretation for defect acceptability, correlated to finite element analysis, is presented in terms of short crack principle based on fracture mechanical.","PeriodicalId":185173,"journal":{"name":"2023 9th International Symposium on System Security, Safety, and Reliability (ISSSR)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2023 9th International Symposium on System Security, Safety, and Reliability (ISSSR)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISSSR58837.2023.00040","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0

Abstract

Axles in service are easy to be impacted by foreign object damage rolled up by the aerodynamic effect, which reduce the safe, reliable and efficient operation of high-speed train. In order to determine the damage tolerance on axle surface, it is imperative to investigate the evolvement rule of defect propagation to crack and thus predict accurately the remaining strength of axles. Hence, fatigue experiments on full-scale axles and small-scale specimens with introduction of prefabricated defect have been performed to determine the impact damage tolerance size. An interpretation for defect acceptability, correlated to finite element analysis, is presented in terms of short crack principle based on fracture mechanical.
高速列车车轴表面损伤容限确定方法研究
在使用中的车轴在空气动力学作用下容易受到外来物损伤的冲击,降低了高速列车的安全、可靠和高效运行。为了确定轴表面的损伤容限,必须研究缺陷扩展到裂纹的演变规律,从而准确地预测轴的剩余强度。为此,对原尺寸轴和引入预制缺陷的小尺寸试件进行了疲劳试验,确定了轴的冲击损伤容限尺寸。基于断裂力学的短裂纹原理,提出了与有限元分析相关的缺陷可接受性的解释。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
求助全文
约1分钟内获得全文 求助全文
来源期刊
自引率
0.00%
发文量
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
copy
已复制链接
快去分享给好友吧!
我知道了
右上角分享
点击右上角分享
0
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:604180095
Book学术官方微信