Analysis of fatigue strength of rail axle-steel based on possibility theory

Author

Ding, Ran ; Zeng, Bo ; Liu, Zheng ; Xu, Huanwei ; Huang, Hong-Zhong

Author_Institution

Sch. of Mechatron. Eng., Univ. of Electron. Sci. & Technol. of China, Chengdu, China

fYear

2012

fDate

15-18 June 2012

Firstpage

809

Lastpage

812

Abstract

When there is limited objective failure data, a method for developing the possibility distribution by subjective assignment strategies is put forward, which is illustrated by the lifetime data from fatigue reliability tests. Based on a limited fatigue life data, a study on reliability analysis of 40 axle-steel is presented, by constructing the possibility distribution function of the locomotive axle steel fatigue life as well as calculating the possibility reliability of fatigue strength at any one time of the axle under a certain stress level.

Keywords

axles; failure (mechanical); fatigue; fatigue testing; locomotives; rails; reliability; steel; stress analysis; 40 axle-steel; distribution function; fatigue life data; fatigue reliability tests; fatigue strength analysis; fatigue strength reliability; locomotive axle steel fatigue life; objective failure data; possibility distribution; possibility theory; rail axle-steel; reliability analysis; stress level; subjective assignment strategies; Axles; Educational institutions; Fatigue; Probability distribution; Reliability; Stress; fatigue strength analysis; possibilit distributions; possibility measures; reliability analysis;

fLanguage

English

Publisher

ieee

Conference_Titel

Quality, Reliability, Risk, Maintenance, and Safety Engineering (ICQR2MSE), 2012 International Conference on

Conference_Location

Chengdu

Print_ISBN

978-1-4673-0786-4

Type

conf

DOI

10.1109/ICQR2MSE.2012.6246351

Filename

6246351