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Metallurgist

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Study of Transient and Steady-State Stages During Two-High and Three-High Screw Rolling of a 12Kh18N10T Steel Workpiece

  • M. M. SkripalenkoEmail author
  • B. A. Romantsev
  • L. M. Kaputkina
  • S. P. Galkin
  • M. N. Skripalenko
  • V. V. Cheverikin
Article
  • 3 Downloads

Test rolling is performed for austenitic steel 12Kh18N10T workpieces in two-high and three-high screw rolling mills. Differences are determined for the nature of change in hardness and structural parameters (grain size and grain size anisotropy coefficient in axial and transverse sections) in transient and steady-state screw rolling stages conducted by two schemes (two-high and three-high). In the steady-state screw rolling stage compared with the transient stage there is a reduction in the range of grain size and hardness values with the volume of a workpiece. It is established that the distribution of inclusions in a diametric longitudinal section close to the end of a workpiece after deformation in both mills is comparable with the rolling angle direction close to the roll feed angle.

Keywords

two-high screw rolling three-high screw rolling austenitic steel steady-state screw rolling transient screw rolling grain size hardness grain size anisotropy 

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • M. M. Skripalenko
    • 1
    Email author
  • B. A. Romantsev
    • 1
  • L. M. Kaputkina
    • 1
  • S. P. Galkin
    • 1
  • M. N. Skripalenko
    • 1
  • V. V. Cheverikin
    • 1
  1. 1.National Research technological University, MISiSMoscowRussia

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