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Journal of Materials Science

, Volume 45, Issue 3, pp 804–810 | Cite as

The effect of cyclic bending on the mechanical properties and dislocation structures of drawn steel bars

  • R. B. Figueiredo
  • E. C. S. Corrêa
  • W. A. Monteiro
  • M. T. P. Aguilar
  • P. R. CetlinEmail author
Article

Abstract

Axisymmetric bar drawing increases the strength and decreases the ductility of metals. The recovery of these final mechanical properties often employs costly annealing processes. This paper discusses the possibility of controlling the mechanical properties of AISI 1010 steel bars through cyclic bending after one or two drawing passes and between these two successive passes. It is shown that cyclic bending softens the drawn material and increases its uniform elongation. The attending dislocation structures are presented and related to the associated mechanical properties. It is considered that cyclic bending is of interest in the industrial control of the final mechanical properties of drawn AISI 1010 steel bars.

Keywords

Molybdenum Disulfide Dislocation Structure Uniform Elongation Strain Path Change Final Mechanical Property 

Notes

Acknowledgements

The authors are thankful to CNPq (Conselho Nacional de Desenvolvimento Científico e Tecnológico), PRONEX/MCT (Programa de Apoio a Núcleos de Excelência do Ministério da Ciência e Tecnologia), FAPEMIG (Fundação de Amparo à Pesquisa do Estado de Minas Gerais) and CAPES (Coordenação de Aperfeiçoamento de Pessoal de Nível Superior) for the financial support.

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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • R. B. Figueiredo
    • 1
    • 2
  • E. C. S. Corrêa
    • 3
  • W. A. Monteiro
    • 4
  • M. T. P. Aguilar
    • 5
  • P. R. Cetlin
    • 1
    Email author
  1. 1.Department of Metallurgical and Materials EngineeringFederal University of Minas GeraisBelo HorizonteBrazil
  2. 2.School of Engineering SciencesMaterials Research Group, University of SouthamptonSouthamptonUK
  3. 3.Department of Materials EngineeringFederal Center of Technological Education of Minas GeraisBelo HorizonteBrazil
  4. 4.Materials Engineering Department, Nuclear and Energetic Research InstituteCidade Universitária Armando SallesSão PauloBrazil
  5. 5.Department of Materials Engineering and ConstructionFederal University of Minas GeraisBelo HorizonteBrazil

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