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Metals and Materials International

, Volume 24, Issue 4, pp 746–751 | Cite as

Distribution of Stress in Deformation Zone of Niobium Microalloyed Steel

  • Ivan Jandrlić
  • Stoja Rešković
  • Tin Brlić
Article
  • 66 Downloads

Abstract

Microalloyed steels today represent a significant part of total world production and processing of steel. Although widely used, there are scarce data on the stress distribution in the deformation zone of these steels. Research was carried out on two steel grades, both low-carbon structural steels with the same basic chemical composition, with one of them additionally microalloyed with niobium. Differences in the stress distribution in the deformation zone between two tested steels were continuously observed and measured using the methods of digital image correlation and thermography. It has been found out that niobium microalloyed steel has significantly more complex material flow and stress distribution in the deformation zone when compared to the plain low carbon steel.

Keywords

Microalloyed steel Plastic deformation Thermography Stress Deformation zone 

Notes

Acknowledgements

This work has been fully supported by the Croatian Science Foundation under the Project Number IP-2016-06-1270.

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Copyright information

© The Korean Institute of Metals and Materials 2018

Authors and Affiliations

  1. 1.Faculty of MetallurgyUniversity of ZagrebSisakCroatia

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