Contributions of Various Mechanisms to the Hardening of Differentially Quenched Rails during Long-Term Operation

被引：2
|
作者：
Ivanov, Yu. F. [1 ,2 ]
Gromov, V. E. [3 ]
Yur'ev, A. A. [3 ]
Glezer, A. M. [4 ]
Popova, N. A. [5 ]
Peregudov, O. A. [6 ]
Konovalov, S. V. [7 ]
机构：
[1] Russian Acad Sci, Inst High Current Elect, Siberian Branch, Tomsk 634055, Russia
[2] Tomsk Polytech Univ, Tomsk 634050, Russia
[3] Siberian State Ind Univ, Novokuznetsk 654007, Russia
[4] Bardin Cent Res Inst Ferrous Met, Moscow 105005, Russia
[5] Tomsk State Univ Architecture & Bldg, Tomsk 634003, Russia
[6] Omsk State Tech Univ, Omsk 644050, Russia
[7] Samara Natl Res Univ, Samara 443086, Russia
来源：
RUSSIAN METALLURGY | 2018年 / 10期
基金：
俄罗斯科学基金会;
关键词：
hardening mechanisms; surface; differentially quenched rails; long-term operation; carbon distribution;
D O I：
10.1134/S0036029518100099
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The contributions of the mechanisms of strain hardening of differentially quenched rails are quantitatively analyzed as functions of the distance from the roll surface. The carbon distribution in the structure of rails after ground tests is studied. The main contribution to the hardening of rail steel is shown to be made by long-range stress fields and the dislocation substructure that forms during deformation. Substantial carbon redistribution is detected in rails during operation.
引用
收藏
页码：985 / 989
页数：5
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