Residual stress distribution of wheel tread for freight car due to aging effect

Seok-Jin Kwon; Dong-Hyung Lee; Jung-Won Seo; Sung-Tae Kwon

doi:10.1117/12.851426

14 April 2010 Residual stress distribution of wheel tread for freight car due to aging effect

Seok-Jin Kwon, Dong-Hyung Lee, Jung-Won Seo, Sung-Tae Kwon

Proceedings Volume 7522, Fourth International Conference on Experimental Mechanics; 75225P (2010) https://doi.org/10.1117/12.851426
Event: Fourth International Conference on Experimental Mechanics, 2009, Singapore, Singapore

Abstract

Recently, several wheels for freight car in running had experienced the wheel failure due to fatigue crack, overheat braking and other factors. Severe heating of the wheel during tread braking was believed to be a contributing factor of derailment. It is necessary to evaluate the residual stress in wheel tread in order to manage the safety of wheel. In the present paper, the residual stress of wheel regarding to running distance using x-ray diffraction system is investigated. The result shows that the residual stress of wheel is depend on the running distance, wear rate of wheel and thermal gradient during brake application.

Citation Download Citation

Seok-Jin Kwon, Dong-Hyung Lee, Jung-Won Seo, and Sung-Tae Kwon "Residual stress distribution of wheel tread for freight car due to aging effect", Proc. SPIE 7522, Fourth International Conference on Experimental Mechanics, 75225P (14 April 2010); https://doi.org/10.1117/12.851426

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