Structure, Phase Composition, and Defective Substructure of Rails of the Highest Quality Grade

V. E. Gromov, K. V. Volkov, Yu F. Ivanov, K. V. Morozov, S. V. Konovalov, K. V. Alsaraeva

Research Center for Physical Materials Science and Composite Materials

Research output: Contribution to journal › Article › peer-review

Abstract

Methods of transmission electron microscopy are used for layer-by-layer analysis of rails of the highest quality grade. Quantitative parameters of structure gradients, phase composition, and dislocation substructures formed by various mechanisms of γ-α transformation are determined. Sources of long-range stress fields are revealed. It is determined that possible places of microcrack origin in the steel are interfaces cementite particles - matrix.

Original language	English
Pages (from-to)	259-265
Number of pages	7
Journal	Russian Physics Journal
Volume	57
Issue number	2
DOIs	https://doi.org/10.1007/s11182-014-0233-7
Publication status	Published - 2014

Keywords

dislocation substructure
gradients
phase composition
rails
structure

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1007/s11182-014-0233-7

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title = "Structure, Phase Composition, and Defective Substructure of Rails of the Highest Quality Grade",

abstract = "Methods of transmission electron microscopy are used for layer-by-layer analysis of rails of the highest quality grade. Quantitative parameters of structure gradients, phase composition, and dislocation substructures formed by various mechanisms of γ-α transformation are determined. Sources of long-range stress fields are revealed. It is determined that possible places of microcrack origin in the steel are interfaces cementite particles - matrix.",

keywords = "dislocation substructure, gradients, phase composition, rails, structure",

author = "Gromov, {V. E.} and Volkov, {K. V.} and Ivanov, {Yu F.} and Morozov, {K. V.} and Konovalov, {S. V.} and Alsaraeva, {K. V.}",

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AU - Gromov, V. E.

AU - Volkov, K. V.

AU - Ivanov, Yu F.

AU - Morozov, K. V.

AU - Konovalov, S. V.

AU - Alsaraeva, K. V.

PY - 2014

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N2 - Methods of transmission electron microscopy are used for layer-by-layer analysis of rails of the highest quality grade. Quantitative parameters of structure gradients, phase composition, and dislocation substructures formed by various mechanisms of γ-α transformation are determined. Sources of long-range stress fields are revealed. It is determined that possible places of microcrack origin in the steel are interfaces cementite particles - matrix.

AB - Methods of transmission electron microscopy are used for layer-by-layer analysis of rails of the highest quality grade. Quantitative parameters of structure gradients, phase composition, and dislocation substructures formed by various mechanisms of γ-α transformation are determined. Sources of long-range stress fields are revealed. It is determined that possible places of microcrack origin in the steel are interfaces cementite particles - matrix.

KW - dislocation substructure

KW - gradients

KW - phase composition

KW - rails

KW - structure

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