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Pulsed-Electron-Beam Modification of The Surface of Al–Mg Alloy Samples Obtained by the Methods of Additive Technologies: Structure and Properties

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Abstract

Investigations of the structure and properties of two groups of Al–Mg alloy samples produced by 3D technologies are carried out. Tests up to failure are carried out under conditions of uniaxial tension of proportional flat specimens. Before testing, one of the groups of samples is irradiated with a pulsed electron beam in the mode of melting a thin (up to 45 μm) surface layer. The intermittent nature of the deformation of both batches of samples is revealed, which manifests itself in the formation of teeth on the deformation curves. It is shown that the samples of Al–Mg alloy treated with a pulsed electron beam demonstrate a higher repeatability of the properties under tensile deformation as compared to the samples of the initial alloy. It is found that the destruction of the samples proceeds by the mechanism of ductile fracture. It is found that the deformation of samples irradiated with a pulsed electron beam is accompanied by brittle destruction of the modified surface layer.

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FUNDING

The study was financed by the Russian Science Foundation (project no. 20-79-00194).

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Authors and Affiliations

  1. Institute of Laser and Optoelectronic Intelligent Manufacturing, Wenzhou University, 325094, Wenzhou, China

    Y. Geng, X. Chen & S. V. Konovalov

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

    Y. Geng, I. A. Panchenko & X. Chen

  3. Samara National Research University, 443086, Samara, Russia

    Y. Geng, X. Chen & S. V. Konovalov

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

    Yu. F. Ivanov

Authors
  1. Y. Geng
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  2. I. A. Panchenko
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  3. X. Chen
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  4. S. V. Konovalov
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  5. Yu. F. Ivanov
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Correspondence to S. V. Konovalov.

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Geng, Y., Panchenko, I.A., Chen, X. et al. Pulsed-Electron-Beam Modification of The Surface of Al–Mg Alloy Samples Obtained by the Methods of Additive Technologies: Structure and Properties. J. Surf. Investig. 15, 449–452 (2021). https://doi.org/10.1134/S1027451021030083

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