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Inheritance of imperfections and cycling of structural rearrangements in copper during dynamic recrystallization under conditions of hot pressing

  • Strain and Fracture
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Metal Science and Heat Treatment Aims and scope

Structural changes in polycrystalline copper in the process of uniaxial compression at a rate of 10−3–102 sec−1 at 900°C are studied with the aim to determine the conditions under which the mechanism of dynamic recrystallization is a dominant one. Results of processing of images obtained by the methods of light and electron transmission microscopy and of data of quantitative metallography with 2D and 3D reconstructions are used to suggest a scenario of cyclic changes in the structure, which promote the appearance of sources of dynamic recrystallization. Latent energy is assumed to be the driving force of the structural rearrangements.

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Authors and Affiliations

  1. St. Petersburg State Marine Engineering University (SPbGMTU), St. Petersburg, Russia

    B. K. Barakhtin & N. V. Lebedeva

  2. “Sevmashvtuz” Branch of SPbGMTU, Severodvinsk, Russia

    N. R. Vargasov

Authors
  1. B. K. Barakhtin
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  2. N. R. Vargasov
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  3. N. V. Lebedeva
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Additional information

Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 8, pp. 34–38, August, 2008.

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Barakhtin, B.K., Vargasov, N.R. & Lebedeva, N.V. Inheritance of imperfections and cycling of structural rearrangements in copper during dynamic recrystallization under conditions of hot pressing. Met Sci Heat Treat 50, 391–396 (2008). https://doi.org/10.1007/s11041-008-9062-z

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  • DOI: https://doi.org/10.1007/s11041-008-9062-z

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