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Effect of Thermomechanical Treatment on the Central Segregation Heterogeneity and HIC Resistance of Rolled Plates

  • Ivan Shabalov
  • Yury Matrosov
  • Alexey KholodnyiEmail author
  • Maxim Matrosov
  • Valery Velikodnev
Chapter
Part of the Topics in Mining, Metallurgy and Materials Engineering book series (TMMME)

Abstract

For the development of the thermomechanical and heat treatment regimes for HIC-resistant plates from pipe steels, their effect on the formation of the base metal microstructure responsible for the mechanical properties of the steel and on the axial zone microstructure responsible for the HIC resistance of the plates is taken into account. The structural formation in the central segregation zone and in the base metal of the plates is mainly affected by the conditions of hot plastic deformation and cooling. The microstructural formation in the centerline zone is characterized by some specific features associated, first of all, with a higher content of segregating elements, which is inherited from continuously cast slabs. This chapter is devoted to the effect of the controlled rolling and post-deformation cooling (cooling rate, start and finish temperature of accelerated cooling) and heat treatment on the microstructure of the central segregation zone and the HIC resistance of rolled plates.

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Ivan Shabalov
    • 1
  • Yury Matrosov
    • 2
  • Alexey Kholodnyi
    • 2
    Email author
  • Maxim Matrosov
    • 2
  • Valery Velikodnev
    • 3
  1. 1.Association of Pipe ManufacturersMoscowRussia
  2. 2.I. P. Bardin Central Research Institute for Ferrous MetallurgyMoscowRussia
  3. 3.LLC “Center for Examination of Pipeline Systems and Engineering”MoscowRussia

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