Impact of wheel tread damage-induced vibrational loads on the service life of rail bogie frames

IF 4.4 2区工程技术 Q1 ENGINEERING, MECHANICAL

Engineering Failure Analysis Pub Date : 2025-04-24 DOI:10.1016/j.engfailanal.2025.109630

Qi Dong , Yuedong Wang , Jiaqi Zhang , Bo Liu , Tao Guo , Maorui Hou

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引用次数: 0

Abstract

Damage to the wheel tread surface is a prevalent issue during the service life of rail vehicles, which significantly influences the vibrational loading conditions and, consequently, the service life of the bogie frame. In this paper, the fatigue characteristics and the method for compiling the stress spectrum are studied by simulating the wheel-rail interaction under various wheel service conditions. Tread surface damage induces resonance within the frequency range of 100–500 Hz of the bogie frame. Under wheel polygon conditions, fatigue damage in this frequency band exceeds 80 percent of the total. High-frequency random vibrations, arising from tread surface damage, have a particularly profound influence on the service life of the frame. A service stress spectrum combines nonlinear accumulated damage with the ‘L-H-L’ stress spectrum methodology to account for the load sequence effect. The stress spectra derived from this approach show high consistency between bench and line tests. Service life assessment and safety verification using compiling service stress spectra. The residual life of a fatigue crack in the motor housing is 10 years when the penetration thickness is reached. The residual life assessment method combined with non-linear damage accumulation provides a basis for life extension and repair of the bogie frame.

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车轮踏面损伤振动载荷对轨道转向架框架使用寿命的影响

车轮踏面损伤是轨道车辆使用寿命中一个普遍存在的问题，它对轨道车辆的振动载荷状况产生重大影响，从而影响到转向架框架的使用寿命。本文通过模拟车轮在不同工况下的轮轨相互作用，研究了车轮的疲劳特性和应力谱的编制方法。胎面损伤引起转向架框架100 - 500hz频率范围内的共振。在车轮多边形工况下，该频段的疲劳损伤超过总疲劳损伤的80%。由胎面损伤引起的高频随机振动对车架的使用寿命影响尤为深远。使用应力谱将非线性累积损伤与“L-H-L”应力谱方法相结合，以解释载荷序列效应。该方法得到的应力谱在台架试验和直线试验之间具有较高的一致性。利用编制的使用应力谱进行使用寿命评估和安全性验证。当达到侵彻厚度时，电机外壳疲劳裂纹的残余寿命可达10年。结合非线性损伤累积的剩余寿命评估方法为转向架车架的寿命延长和维修提供了依据。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Engineering Failure Analysis 工程技术-材料科学：表征与测试

CiteScore

7.70

自引率

20.00%

发文量

956

审稿时长

47 days

期刊介绍： Engineering Failure Analysis publishes research papers describing the analysis of engineering failures and related studies. Papers relating to the structure, properties and behaviour of engineering materials are encouraged, particularly those which also involve the detailed application of materials parameters to problems in engineering structures, components and design. In addition to the area of materials engineering, the interacting fields of mechanical, manufacturing, aeronautical, civil, chemical, corrosion and design engineering are considered relevant. Activity should be directed at analysing engineering failures and carrying out research to help reduce the incidences of failures and to extend the operating horizons of engineering materials. Emphasis is placed on the mechanical properties of materials and their behaviour when influenced by structure, process and environment. Metallic, polymeric, ceramic and natural materials are all included and the application of these materials to real engineering situations should be emphasised. The use of a case-study based approach is also encouraged. Engineering Failure Analysis provides essential reference material and critical feedback into the design process thereby contributing to the prevention of engineering failures in the future. All submissions will be subject to peer review from leading experts in the field.