The Microstructure of Differentially Heat Strengthened Railroad Rails Manufactured by the EVRAZ ZSMK Company
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...
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| Veröffentlicht in: | Metal science and heat treatment 2022-09, Vol.64 (5-6), p.343-349 |
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| creator | Umanskii, A. A. Golovatenko, A. V. Simachev, A. S. Dumova, L. V. |
| description | 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. |
| doi_str_mv | 10.1007/s11041-022-00812-y |
| format | Article |
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| subjects | Characterization and Evaluation of Materials Chemical elements Chemistry and Materials Science Chromium Classical Mechanics Engineering Thermodynamics Heat and Mass Transfer Heterogeneity Materials Science Metallic Materials Microstructure Nonmetallic inclusions Quality Control of Technological Processes and Materials Rail steels Rails (railroad) Silicates |
| title | The Microstructure of Differentially Heat Strengthened Railroad Rails Manufactured by the EVRAZ ZSMK Company |
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