“WHITE” LAYERS ON THE RAIL SURFACE
Abstract
The data on formation of “white” layers on the surface of rails during long-term operation taken from scientific literature are analyzed. It is noted that the main mechanisms of formation of these layers is martensite and nanosized ferrite generation. Advantages and disadvantages of modern methods of structural studies of “white” layers by transmission electron microscopy (TEM), electron backscatter diffraction, crystallographic orientation mapping in TEM, Kikuchi diffraction are revealed. Analyzing models of layer formation during intense plastic deformation, it was noted that good conformity with experimental data is provided by Kelvin-Helmholtz instability model.
About the Authors
V.E. Kormyshev
Siberian State Industrial University
Russian Federation
Russian Federation
E.Yu. Zhavoronkova
Siberian State Industrial University
Yu.A. Rubannikova
Siberian State Industrial University
V.E. Gromov
Siberian State Industrial University
A.A. Yuryev
EVRAZ Consolidated West Siberian Metallurgical Plant JSC
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Review
For citations:
Kormyshev V., Zhavoronkova E., Rubannikova Yu., Gromov V., Yuryev A. “WHITE” LAYERS ON THE RAIL SURFACE. Bulletin of the Siberian State Industrial University. 2020;(1):5-8. (In Russ.)
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