Transport Steels Microalloyed with Vanadium and Nitrogen

被引：0

作者：

Smirnov L.A. ^{[1
,3
]}

Kushnarev A.V. ^{[2
]}

Dobuzhskaya A.B. ^{[1
]}

Kirichkov A.A. ^{[2
]}

Belokurova E.V. ^{[2
]}

机构：

[1] Ural Institute of Metals, Yekaterinburg

[2] EVRAZ NTMK, Sverdlovsk oblast, Nizhny Tagil

[3] Institute of Metallurgy, Ural Branch, Russian Academy of Sciences, Yekaterinburg

来源：

Steel in Translation | 2020年 / 50卷 / 06期

关键词：

austenite grain; impact strength; low temperature reliability; microalloying with vanadium and nitrogen; microstructure; operational resistance; pearlite colonies; rails; steel; vanadium carbonitrides; wheels;

D O I：

10.3103/S0967091220060078

中图分类号：

学科分类号：

摘要：

Abstract: The research results of the effect of small additions of vanadium and nitrogen on the microstructure and mechanical and service properties of high-carbon steels for railway transport are presented. The data on industrial production of metal products from such steels are considered. Medium-carbon bainitic and martensitic steels with a fine structure microalloyed with vanadium and nitrogen have a unique set of properties: a combination of high values of strength, ductility, cold resistance, and endurance under fatigue loading, which will increase the resistance of rails during operation not only at low temperatures, but also under conditions of increased loads, in curves of a small radius and in the event of a risk of thermomechanical damage. © 2020, Allerton Press, Inc.

引用

页码：407 / 414

页数：7

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