Abstract

At the level of interatomic interaction in steel for railway wheels, the element-by-element effect of the chemical composition on the physical and mechanical properties has been studied and predictive models have been developed for professional assessment. The choice of an effective combination of alloying elements-hardeners depends on the specified requirements for the micro-structural state, physical and mechanical properties, as well as on the operating conditions in the agreed segment of performance figures of steels and special alloys. The chemical composition and heat treatment modes of wheels have been developed to achieve the level of requirements for mechanical properties for class D wheels according to AAR M-107/M-208.

中文翻译：

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选择合金化和微合金化元素以改善铁路车轮机械性能的理由

摘要

在铁路车轮用钢中原子间相互作用的水平上，研究了化学组成对物理和机械性能的逐元素作用，并开发了预测模型以进行专业评估。合金元素-硬化剂有效组合的选择取决于对微观结构状态，物理和机械性能的特定要求，以及在钢和特殊合金性能指标的商定段中的操作条件。车轮的化学成分和热处理方式已得到开发，以达到对符合AAR M-107 / M-208的D级车轮的机械性能要求的水平。