• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 31 Issue 5
Oct.  2018
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Article Contents
GUO Lichang, YANG Bin, HE Chenggang, ZHU Wentao, WANG Wenjian, LIU Qiyue. Wear and Damage Mechanism of Wheel-Rail Materials Based on Contact Zone Energy Dissipation[J]. Journal of Southwest Jiaotong University, 2018, 53(5): 945-950. doi: 10.3969/j.issn.0258-2724.2018.05.010
Citation: GUO Lichang, YANG Bin, HE Chenggang, ZHU Wentao, WANG Wenjian, LIU Qiyue. Wear and Damage Mechanism of Wheel-Rail Materials Based on Contact Zone Energy Dissipation[J]. Journal of Southwest Jiaotong University, 2018, 53(5): 945-950. doi: 10.3969/j.issn.0258-2724.2018.05.010

Wear and Damage Mechanism of Wheel-Rail Materials Based on Contact Zone Energy Dissipation

doi: 10.3969/j.issn.0258-2724.2018.05.010
  • Received Date: 21 Dec 2016
  • Publish Date: 01 Oct 2018
  • In order to establish a uniform standard for wheel-rail wear and damage experiments, an analytic technique for wheel-rail wear and damage is put forward on the wear and damage mechanisms. As there is currently no wheel-rail wear and damage experiment standard, the wear and damage results from various current experimental methods are comparatively analyzed. Using the results of this comparative analysis, an analysis method for wheel-rail wear and damage mechanisms based on contact spot energy dissipation is proposed. Furthermore, the change rule of the relationship between contact spot energy dissipation unit area and wear rate is discussed for different wheel-rail materials and experimental methods. The results show that, on the basis of the relationship between contact spot energy dissipation unit area and wear rate and the damage characteristics of wheel-rail materials, wheel-rail wear can be divided into three types: mild wear, severe wear, and disastrous wear. Furthermore, the curve between contact spot energy dissipation unit area and wear rate can be used to predict wheel-rail wear in practical application. The wear rate and type of damage of wheel-rail material are analyzed accurately by the wheel-rail contact spot dissipation energy, which as be used to the data comparative analysis of wheel-rail wear and damage.

     

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