2022
DOI: 10.1177/09544097221143403
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The comprehensive effect of friction self-excited and modal vibration on polygonal wear of high-speed train wheels

Abstract: Wheel polygon wear has emerged as a critical issue in the development of high-speed trains in China, but the mechanism underlying its formation remains unknown. The formation mechanism and its effect factors of wheel polygonalization are investigated in depth in this paper using theoretical analysis and numerical simulation. A longitudinal self-excited vibration and vertical modal vibration coupling model of wheel-rail is established, considering the comprehensive effects of wheelset flexibility, vehicle sprin… Show more

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Cited by 6 publications
(1 citation statement)
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“…are all tribological behaviors associated with the interface between the brake pad and braking disc during the highspeed, heavy-load braking process. [2][3][4][5][6] Yet, the aforesaid interactions affect the tribological behaviors of the contact surface, which poses a significant danger to braking stability and dependability. Consequently, investigating the tribological behaviors of the braking contact under high-velocity and heavy-load braking circumstances is of tremendous practical importance.…”
Section: Introductionmentioning
confidence: 99%
“…are all tribological behaviors associated with the interface between the brake pad and braking disc during the highspeed, heavy-load braking process. [2][3][4][5][6] Yet, the aforesaid interactions affect the tribological behaviors of the contact surface, which poses a significant danger to braking stability and dependability. Consequently, investigating the tribological behaviors of the braking contact under high-velocity and heavy-load braking circumstances is of tremendous practical importance.…”
Section: Introductionmentioning
confidence: 99%