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Effect of Electron Beam Treatment on the Fracture Behavior of High–Entropy Cr – Mn – Fe – Co - Ni Alloy

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Metal Science and Heat Treatment Aims and scope

The study investigates a high-entropy non-equiatomic alloy of the Co – Cr – Fe – Mn – Ni system obtained using wire-arc additive manufacturing (WAAM) technology and subjected to electron beam irradiation (EBI). The strain curves of alloy samples under tension after fabrication and EBI are analyzed. The structure of the fracture surface of the alloy was studied using scanning electron microscopy. The strength and plasticity of the alloy are shown to decrease with an increase in the energy density of the electron beam. This is assumed to be due to the appearance of defects in the structure of the surface layers as a result of elastic stresses arising during high-speed quenching of samples following thermal exposure to an electron beam.

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This work was supported by the Russian Foundation for Basic Research (project No. 20-19-00452).

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Authors and Affiliations

  1. Siberian State Industrial University, Novokuznetsk, Russia

    V. E. Gromov, Yu. A. Shlyarova & C. V. Vorob’ev

  2. Institute of High-Current Electronics of the Siberian Branch of the Russian Academy of Sciences (ISE SB RAS), Tomsk, Russia

    Yu. F. Ivanov

  3. S. P. Korolev Samara National Research University, Samara, Russia

    C. V. Konovalov

Authors
  1. V. E. Gromov
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  2. Yu. A. Shlyarova
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  3. Yu. F. Ivanov
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  4. C. V. Konovalov
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  5. C. V. Vorob’ev
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Correspondence to V. E. Gromov.

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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 5, pp. 35 – 39, May, 2022.

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Gromov, V.E., Shlyarova, Y.A., Ivanov, Y.F. et al. Effect of Electron Beam Treatment on the Fracture Behavior of High–Entropy Cr – Mn – Fe – Co - Ni Alloy. Met Sci Heat Treat 64, 276–280 (2022). https://doi.org/10.1007/s11041-022-00800-2

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  • DOI: https://doi.org/10.1007/s11041-022-00800-2

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