Interference behavior analysis of parallel cracks on train brake disc using XFEM

IF 4.4 2区工程技术 Q1 ENGINEERING, MECHANICAL

Engineering Failure Analysis Pub Date : 2025-03-28 DOI:10.1016/j.engfailanal.2025.109563

Jiacheng Shen , Chun Lu , Jiahuan He , Jiliang Mo , Jie Zhao

引用次数: 0

Abstract

The brake disc plays a crucial role in ensuring the braking safety of trains. However, fatigue cracks often appear on the surface of brake discs, and interference occurs when multiple cracks are concentrated in a limited area. In order to investigate the interference behavior between parallel cracks on the train brake disc, the extended finite element method (XFEM) is adopted in this work. The J-integral, stress intensity factor, T-stress, and deflection angle are calculated to describe the interference behavior of parallel cracks. The results show that the interference behavior between parallel cracks can affect the propagation rate and propagation path of the crack. Furthermore, the interference behavior is closely related to the parallel cracks’ spacing and length ratio. Based on this research, the propagation mechanism of parallel cracks on train brake discs could be further understood.

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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.