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Steel in Translation

, Volume 47, Issue 8, pp 564–570 | Cite as

Structure formation in wire

  • A. B. Sychkov
  • A. Yu. Stolyarov
  • G. Ya. Kamalova
  • Yu. Yu. Efimova
  • L. Yu. Egorova
  • A. E. Gulin
Article

Abstract

The microstructure formed in the surface layer of industrially produced steel 70 wire rod (diameter 5.5 mm), wire (diameter 4.2 mm), and thin brass-plated steel 70 wire (diameter 0.933–1.75 mm) is studied. Local surface sections with turbulent structure are identified by means of transmission and scanning electron microscopy and microhardness measurements. Those sections are associated with shear stress forming additional rotary deformation modes. With increase in the deformation, a gradient in the microhardness appears. The hardness is greatest at the surface in sections with anomalous structure. The dynamics of dislocational structure in metal with deformation is investigated. The formation of pearlite colonies in high-carbon steel is studied. The results may be used in determining the limiting deformability of wire rod and wire on drawing.

Keywords

cold deformation thin wire shear strain turbulent surface sections wire strength microhardness dislocational structure transmission electron microscopy scanning electron microscopy 

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Copyright information

© Allerton Press, Inc. 2017

Authors and Affiliations

  • A. B. Sychkov
    • 1
  • A. Yu. Stolyarov
    • 2
  • G. Ya. Kamalova
    • 1
  • Yu. Yu. Efimova
    • 1
  • L. Yu. Egorova
    • 3
  • A. E. Gulin
    • 1
  1. 1.Nosov Magnitogorsk State Technical UniversityMagnitogorskRussia
  2. 2.OOO Spetsial’nye TekhnologiiMagnitogorskRussia
  3. 3.Institute of Metal Physics, Ural BranchRussian Academy of SciencesYekaterinburgRussia

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