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Metal Science and Heat Treatment

, Volume 60, Issue 7–8, pp 464–470 | Cite as

Railroad Rails from Bainitic Steel

  • M. N. Georgiev
  • T. V. Simeonova
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The properties of railroad rails produced from bainitic steels are compared to those from traditional pearlitic steels. Formation and propagation of contact fatigue cracks in the rails is considered. It is shown that bainitic steels exhibit a better combination of strength and ductility characteristics than pearlitic steels.

Key words

contact fatigue cracks rate of crack propagation wear contact fatigue resistance 

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Institute of Mechanics of the Bulgarian Academy of SciencesSofiaBulgaria

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