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Influence of tempering on the dislocation substructure and scalar density for cast construction intermediate-alloyed steel

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Abstract

The method of diffraction electron microscopy is used to study the influence of the tempering period on the defect structure of the Fe-0.38C-3.5Ni-1.3Cr-0.24Si-0.35Mn-0.4Mo-0.15V-0.3Cu cast construction steel. It is demonstrated that tempering causes the substructural nonfragmented → fragmented substructure transformation, which is the main substructural transformation. Three types of fragments are formed, including initial and anisotropic secondary fragments with network and cellular dislocation substructures and tertiary isotropic dislocation-free fragments. The fragmentation process at tempering is accompanied by a continuous decrease in the scalar dislocation density.

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Authors and Affiliations

  1. Tomsk State University of Architecture and Building, Russia

    É. V. Kozlov, N. A. Popova, S. I. Klimashin, V. E. Gromov & N. A. Koneva

Authors
  1. É. V. Kozlov
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  2. N. A. Popova
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  3. S. I. Klimashin
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  4. V. E. Gromov
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  5. N. A. Koneva
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 1, pp. 44–50, January, 2006.

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Kozlov, É.V., Popova, N.A., Klimashin, S.I. et al. Influence of tempering on the dislocation substructure and scalar density for cast construction intermediate-alloyed steel. Russ Phys J 49, 47–54 (2006). https://doi.org/10.1007/s00000-006-0068-2

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  • DOI: https://doi.org/10.1007/s00000-006-0068-2

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