Integrated solutions for improving the performance characteristics of solid-rolled railway wheels

IF 0.8 4区材料科学 Q4 METALLURGY & METALLURGICAL ENGINEERING

Metallurgist Pub Date : 2025-03-20 DOI:10.1007/s11015-025-01877-9

A. V. Muntin, D. E. Kerentsev, I. S. Krasov, D. A. Pyshkin

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Abstract

The fatigue limit of wheel steels of grades 2, T, and L (GOST 10791) was determined in order to improve the performance characteristics of solid rolled railway wheels. The test methodology is based on the requirements of GOST 25.502. According to the test results, the relationship between the strength and the fatigue limit of the investigated wheel steels is determined. The results are proposed to facilitate the optimization of the wheel thickness depending on the material strength. In order to improve the characteristics of wheel life, resistance to wear, and chip formation, the methodology of designing wheels with rolling surface profiles K‑70 and K‑65 based on the software package Universal Mechanism is presented, as well as the efficiency indicators of their implementation on the wheels of freight and passenger cars. In order to predict the total service life of the wheels, the calculation and experimental methodology developed by the St. Petersburg State University of Railway Transport of Emperor Alexander I, was tested in the conditions of the scientific and experimental base of JSC OMK (United Metallurgical Company, Moscow, Russia) to estimate the service life of wheels of grades 2, T and L for various purposes. Mechanical properties of promising steel grade B with bainite structure are presented. It is shown that they significantly exceed the quality indicators of standard wheel steels.

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改善实轧铁路车轮性能特性的综合解决方案

为提高实心轧制铁路车轮的性能，确定了2、T、L级车轮钢（GOST 10791）的疲劳极限。测试方法基于GOST 25.502的要求。根据试验结果，确定了车轮钢的强度与疲劳极限之间的关系。研究结果有助于根据材料强度对车轮厚度进行优化。为了提高车轮的寿命、耐磨性和切屑形成特性，提出了基于通用机制软件包的K - 70和K - 65滚动面型车轮的设计方法，以及在货车和客车车轮上实施的效率指标。为了预测车轮的总使用寿命，在俄罗斯莫斯科联合冶金公司（JSC OMK）科学和实验基地的条件下，采用亚历山大一世的圣彼得堡国立铁路运输大学开发的计算和实验方法，对各种用途的2级、T级和L级车轮的使用寿命进行了估计。介绍了具有贝氏体组织的B级钢的力学性能。结果表明，其质量指标明显优于标准轮毂钢。

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来源期刊

Metallurgist 工程技术-冶金工程

CiteScore

1.50

自引率

44.40%

发文量

151

审稿时长

4-8 weeks

期刊介绍： Metallurgist is the leading Russian journal in metallurgy. Publication started in 1956. Basic topics covered include: State of the art and development of enterprises in ferrous and nonferrous metallurgy and mining; Metallurgy of ferrous, nonferrous, rare, and precious metals; Metallurgical equipment; Automation and control; Protection of labor; Protection of the environment; Resources and energy saving; Quality and certification; History of metallurgy; Inventions (patents).