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Dislocation substructures and internal stress fields in bulk- and differentially quenched rails

  • Proceedings of the International Symposium “Physics of Crystals 2013”
  • Published:
Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

A layer-by-layer analysis of rails bulk-hardened in oil and differentially hardened in a variety of regimes is performed by means of transmission electron microscopy. Quantitative parameters of dislocation substructures and internal stress fields, and their dependences on the distance from the tread contact surface are established. It is shown that the most dangerous stress concentrators are interfaces between globular cementite matrix particles; such interfaces form predominantly in rails subjected to bulk quenching.

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Authors and Affiliations

  1. Siberian State Industrial University, Novokuznetsk, 654007, Russia

    V. E. Gromov, K. V. Morozov, K. V. Alsaraeva & S. V. Konovalov

  2. OAO EVRAZ Consolidated West Siberian Metallurgical Plant, Novokuznetsk, 654000, Russia

    K. V. Volkov

  3. I.P. Bardin Central Scientific Research Institute of Ferrous Metallurgy, Moscow, 105005, Russia

    A. M. Glezer

  4. National Research Polytechnical University, Tomsk, 634050, Russia

    Yu. F. Ivanov

  5. Institute of High Current Electronics, Siberian Branch, Russian Academy of Sciences, Tomsk, 634055, Russia

    Yu. F. Ivanov

Authors
  1. V. E. Gromov
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  2. K. V. Volkov
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  3. A. M. Glezer
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  4. Yu. F. Ivanov
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  5. K. V. Morozov
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  6. K. V. Alsaraeva
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  7. S. V. Konovalov
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Corresponding author

Correspondence to V. E. Gromov.

Additional information

Original Russian Text © V.E. Gromov, K.V. Volkov, A.M. Glezer, Yu.F. Ivanov, K.V. Morozov, K.V. Alsaraeva, S.V. Konovalov, 2014, published in Izvestiya Rossiiskoi Akademii Nauk. Seriya Fizicheskaya, 2014, Vol. 78, No. 10, pp. 1230–1237.

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Gromov, V.E., Volkov, K.V., Glezer, A.M. et al. Dislocation substructures and internal stress fields in bulk- and differentially quenched rails. Bull. Russ. Acad. Sci. Phys. 78, 981–987 (2014). https://doi.org/10.3103/S1062873814100086

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