04.2020.193.206

Investigate the Flatson Wear and Rolling Contact Fatigue of Wheel Materials

Author(s):
Adel M Bash†*, Hassan A. Abdulhadi‡ and Sulaiman E. Mnawe†

Affiliation(s):
†Department of Mechanical Engineering, College of Engineering, University of Tikrit, Tikrit, Iraq

‡Middle Technical University, Institute of Technology, Baghdad 10074, Iraq

*Corresponding Author Email: adelbash@tu.edu.iq

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

The rapid development of high-speed railways led to wheel damage. This problem was more prominent at wheel abrasion, which is a more serious type of wheel damage. Therefore, to ensure the safe operation of the vehicle, the study of the formation process of the wheel abrasion and the influence of the abrasion on the vehicle operation has very important significance and practical value. In this paper, investigate the braking process of the vehicle under different influencing factors are prefabricated using rolling contact fatigue tests. Through various analysis methods, the formation mechanism of abrasions and the influence of different abrasions on wheel operation were studied. The result shows that the abrasion area will form a severe plastic deformation layer and a Martensite white layer mainly caused by thermal influence. Running a wheel with abrasion will cause greater wear, and it will have a serious impact on the life of the wheel, and the surface of the scratch area after rolling has different surface damage morphology.