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Influence of the Direction of Propagation of the Main Crack on the Fracture Mechanism upon Impact Bending of Samples of High-Viscous Steel with a Filamentary Structure. Compression Region

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Abstract—The fracture profiles and microhardness distribution in some regions of the compression region of Charpy samples of a high-viscous steel with a filamentary structure formed by the non-recrystallization controlled rolling with accelerated cooling have been studied. The mechanism of the plastic flow in the compression region of impact samples with different types of notches has been investigated. It has been shown that, as a result of intense plastic flow, two plastic hinges with axes containing a high density of slip lines appear in the compression regions.

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Funding

This work was performed within the framework of the theme “Struktura,” no. АААА-А18-118020190116-6, and was supported in part by the Complex Program of the Ural Branch, Russian Academy of Sciences (project no. 18-10-2-39).

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Authors and Affiliations

  1. Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, 620108, Ekaterinburg, Russia

    A. N. Morozova

  2. Ural Federal University Named after the First President of Russia B. N. Yeltsin, 620002, Ekaterinburg, Russia

    G. V. Schapov, V. A. Khotinov, V. M. Farber & O. V. Selivanova

Authors
  1. A. N. Morozova
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  2. G. V. Schapov
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  3. V. A. Khotinov
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  4. V. M. Farber
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  5. O. V. Selivanova
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Corresponding author

Correspondence to A. N. Morozova.

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Translated by G. Salnikov

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Morozova, A.N., Schapov, G.V., Khotinov, V.A. et al. Influence of the Direction of Propagation of the Main Crack on the Fracture Mechanism upon Impact Bending of Samples of High-Viscous Steel with a Filamentary Structure. Compression Region. Phys. Metals Metallogr. 120, 907–913 (2019). https://doi.org/10.1134/S0031918X19090096

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  • DOI: https://doi.org/10.1134/S0031918X19090096

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