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Metal Science and Heat Treatment
Erschienen in: Metal Science and Heat Treatment 5-6/2022

06.10.2022 | QUALITY CONTROL OF TECHNOLOGICAL PROCESSES AND MATERIALS

The Microstructure of Differentially Heat Strengthened Railroad Rails Manufactured by the EVRAZ ZSMK Company

verfasst von: A. A. Umanskii, A. V. Golovatenko, A. S. Simachev, L. V. Dumova

Erschienen in: Metal Science and Heat Treatment | Ausgabe 5-6/2022

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Abstract

The article analyzes the microstructure of differentially heat strengthened railroad rails produced by the EVRAZ ZSMK Company and determines the types and compositions of nonmetallic inclusions. The segregation processes of the main chemical elements of the rail steels (C, Si, Mn, Cr, S, and P) and the variation of hardness over the cross section of rail profiles were investigated. Typical nonmetallic inclusions are nondeformable silicates concentrated primarily in the rail webs and plastic sulfides concentrated in the rail heads. Some of the rails exhibited chemical heterogeneity with clusters of nonmetallic inclusions in the profile necks.
Vorheriger Artikel Assembly of Structural-Type R2T17 from a Universal Building Unit
Nächster Artikel Nature Detection of Internal Defects in Railroad Rails Produced by EVRAZ ZSMK Company Using Ultrasonic Control in Mill Flow

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Metadaten
Titel
The Microstructure of Differentially Heat Strengthened Railroad Rails Manufactured by the EVRAZ ZSMK Company
verfasst von
A. A. Umanskii
A. V. Golovatenko
A. S. Simachev
L. V. Dumova
Publikationsdatum
06.10.2022
Verlag
Springer US
Erschienen in
Metal Science and Heat Treatment / Ausgabe 5-6/2022
Print ISSN: 0026-0673
Elektronische ISSN: 1573-8973
DOI
https://doi.org/10.1007/s11041-022-00812-y

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