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Microstructure, texture, grain boundary characteristics and mechanical properties of a cold rolled and annealed ferrite–bainite dual phase steel

  • Chiradeep Ghosh , Arunansu Haldar , Pampa Ghosh and Ranjit Kumar Ray
Published/Copyright: May 31, 2013
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 101 Issue 10

Abstract

The microstructural, textural evolution and changes in grain boundary character distribution during annealing of a prior cold worked (30 %, 50 % and 80 %) ferrite–bainite dual phase steel have been studied and correlated with mechanical properties. It has been shown that submicron sized subgrains can be obtained by selecting the appropriate amount of cold rolling and annealing cycle. Increasing the annealing temperature in all the materials produces the expected results, namely decrease in strength with a simultaneous increase in ductility. Although reasonably sharp γ-fibres were obtained in 80 % cold rolled and its 500 °C annealed counterpart, the very low values (< 1.0) make the steel unsuitable for the purpose of deep drawing. It is envisaged that grain boundary engineering may lead to better strength–ductility combinations in this steel for an enhanced range of applications.

Keywords: Microstructure; Texture; Grain boundary character distribution; Cold rolling; Mechanical properties
* Correspondence address, Chiradeep Ghosh PhD Scholar, McGill University, Materials Engineering, M. H. Wong Building, 3610 University Street, Montreal, Quebec, Canada H3A 2B2 E-mail:

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Received: 2009-5-13
Accepted: 2010-7-30
Published Online: 2013-05-31
Published in Print: 2010-10-01

© 2010, Carl Hanser Verlag, München

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https://doi.org/10.3139/146.110406
Keywords for this article
Microstructure; Texture; Grain boundary character distribution; Cold rolling; Mechanical properties

Articles in the same Issue

  1. Contents
  2. Contents
  3. Editorial
  4. Editorial October 2010
  5. History
  6. Interactions between dislocations and interfaces – consequences for metal and ceramic plasticity
  7. Deformation mechanisms in yttria-stabilized cubic zirconia single crystals
  8. Basic
  9. Superplasticity in nanocrystalline ceramics: pure grain boundary phenomena or not?
  10. Thermodynamic assessment of the Mn–Ni–O system
  11. Assessment of niobium segregation energy in migrating ferrite/austenite phase interfaces
  12. In-situ synthesis and characterization of Al2O3 nanostructured whiskers in Ti–Al intermetallic matrix composites
  13. Texture, structure and properties of Ni-based binary alloy tapes for HTS substrates
  14. Microstructure, texture, grain boundary characteristics and mechanical properties of a cold rolled and annealed ferrite–bainite dual phase steel
  15. Applied
  16. Microstructure and mechanical properties of differently extruded AZ31 magnesium alloy
  17. The role of talc in preparing steatite slurries suitable for spray-drying
  18. Preparation and evaluation of chitosan-gelatin composite scaffolds modified with chondroitin-6-sulphate
  19. Influence of volume fraction of martensite on the work hardening behaviour of two dual-phase steels with high and low silicon contents
  20. Controlled synthesis of prussian blue nanoparticles based on polymyxin B/sodium bis(2-ethylhexyl)sulfosuccinate/water/isooctane reverse microemulsion for glucose biosensors
  21. The melting diagram of the Ti–Dy–Sn system below 40 at.% Sn
  22. Preparation and photocatalytic properties of TiO2 film produced via spin coating
  23. DGM News
  24. Personal
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