Experimental Research on Crack Propagation in U71Mn and U75V Rail Steels-Reference-Cited by-同舟云学术

Experimental Research on Crack Propagation in U71Mn and U75V Rail Steels

Published:2006-11 Issue: Volume:324-325 Page:807-810
ISSN:1662-9795
Container-title:Key Engineering Materials
language:
Short-container-title:KEM

Author:

Li Jing Jing¹,Guo Ya Fang¹,Wang Yue Sheng²,Tian Chang Hai³

Affiliation:

1. Beijing Jiaotong University

2. University of Siegen

3. China Academy of Railway Sciences

Abstract

In this paper, the continuous in-situ observations of the fatigue crack growth in U71Mn and U75V rail steel are made by using the scanning electronic microscope (SEM). The microstructure patterns of cracks under the mode I fatigue loads and quasi-static loads are presented. The results indicate that the short fatigue crack growth in rail steel is a quasi-cleavage fracture. The ductility and the performance of fatigue resistance of U71Mn rail steel are better than those of U75V rail steel.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,General Materials Science

Link

https://www.scientific.net/KEM.324-325.807.pdf

Reference3 articles.

1. G. M Sheng�J. H Fan and X. H Peng: Investigation of Contact Fatigue Crack Growth Behaviors for PD3 Rail Steel. Acta Metallurgica Sinica[In Chinese]. Vol. 36(2000), pp.131-134.

2. Li Jingquan�Yang Huaren�Luo Laike. The Observations on the Fatigue Crack Initiation and Propagation of 16 Mn Steel Welded Structure[In Chinese]. Journal of Nanjing University of Science and Technology[In Chinese] . Vol. 26(2002) , pp.61-64.

3. Ma Hang�Liu Tianzuo�Zhao Wenjun. Propagation Behaviors of Fatigue Crack in Ferrite-pearlite Steels. Journal of Gansu University of Technology[In Chinese] . Vol. 23(1997) , pp.7-11.

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