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Microplastic deformation of polycrystalline iron and molybdenum subjected to high-current electron-beam irradiation

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Abstract

A technique for determination of residual stresses at various distances from the irradiated surface is proposed. It is established for iron and molybdenum that compressive stresses are set up under irradiation by low-energy high-current electron beams and that their values decrease sharply with increasing distance from the surface. The residual stresses are much smaller in absolute magnitude than those operating during irradiation. It is shown that the change in resistance to microplastic deformation on irradiation with low-energy high-current electron beams is governed not only by formation of a gradient dislocation substructure in the surface layer, but also by the residual stresses and the appearance of the Bauschinger effect.

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Authors and Affiliations

  1. Institute of Heavy-Current Electronics, Siberian Division of the Russian Academy of Sciences, V. D. Kuznetsov Siberian Physicotechnical Institute at Tomsk University, USSR

    E. F. Dudarev, G. P. Pochivalova, D. I. Proskurovskii, V. P. Rotshtein & A. B. Markov

Authors
  1. E. F. Dudarev
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  2. G. P. Pochivalova
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  3. D. I. Proskurovskii
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  4. V. P. Rotshtein
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  5. A. B. Markov
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 3, pp. 126–132, March, 1996.

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Dudarev, E.F., Pochivalova, G.P., Proskurovskii, D.I. et al. Microplastic deformation of polycrystalline iron and molybdenum subjected to high-current electron-beam irradiation. Russ Phys J 39, 284–288 (1996). https://doi.org/10.1007/BF02067649

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  • DOI: https://doi.org/10.1007/BF02067649

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