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Classical controlled rolling of low C steels microalloyed with Ti and Mo

  • Jessica Calvo , Laurie Collins and Stephen Yue
Published/Copyright: June 1, 2014
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 105 Issue 6

Abstract

Two low-C steels, one microalloyed with Ti and the other with Ti and Mo were subjected to a classical controlled rolling schedule using torsion testing. The specific torsion schedules were a simulation of an industrial schedule adapted to the characteristic transformation temperatures of each steel. It is shown that such steels can develop a pancaked austenite, despite the fact that the alloys do not contain Nb. However, compared to Nb bearing steels, restoration between deformation passes is relatively rapid in the pancaking region. In order to reduce the loss of pancaking, the temperatures of the finishing rolling schedule were shifted to lower temperatures. This appeared to greatly reduce the restoration rates, but the transformation in the two phase region occurred towards the end of the final deformation pass. When comparing the two steels, it could be detected that Mo increases the temperature range for pancaking and reduces the restoration rates between deformation passes in the pancaking region.

Keywords: Ti microalloyed steel; Hot torsion simulator; Pancaking; Thermomechanical processing; Hot rolling schedules
*Correspondence address, Dr. Jessica Calvo, Av. Diagonal 647, Pabellón E, 08028, Barcelona, Spain, Tel.: +34 934054154, Fax: +34 934016706, E-mail:

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Received: 2013-10-31
Accepted: 2014-01-10
Published Online: 2014-06-01
Published in Print: 2014-06-12

© 2014, Carl Hanser Verlag, München

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  15. Short Communications
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  17. Crevice corrosion resistance of high alloyed materials in 3.5 % NaCl solution
  18. Effect of grain size on the microstructure and mechanical properties of Mg-4Y-3Nd-0.5Zr alloy
  19. People
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https://doi.org/10.3139/146.111062
Keywords for this article
Ti microalloyed steel; Hot torsion simulator; Pancaking; Thermomechanical processing; Hot rolling schedules

Articles in the same Issue

  1. Contents
  2. Contents
  3. Original Contributions
  4. Thermodynamic modeling of the In–Pt–Sb system
  5. Classical controlled rolling of low C steels microalloyed with Ti and Mo
  6. Development of carbide intermetallic layer by electric discharge alloying on AISI-D2 tool steel and its wear resistance
  7. Comparison of fatigue crack growth rate of selective laser sintered RapidSteel via computational fracture mechanics
  8. Wear resistance and fracture mechanics of WC–Co composites
  9. Thermal expansion behavior of CNT/Ag nanocomposite
  10. Thermophysical properties of solid phase rhodium measured by the pulse calorimetry technique over a wide temperature range
  11. Influence of Co3O4 addition on the ionic conductivity and microstructural properties of yttria-stabilized zirconia (8YSZ)
  12. High-activity of Pd catalyst supported on antimony tin oxide for hydrogen peroxide electroreduction
  13. Investigation of low k interfacial layer characteristics of LaAlO3 thin films grown on Si (100)
  14. In-situ catalytic growth of MgAl2O4 spinel whiskers in MgO–C refractories
  15. Short Communications
  16. Preparation and characterization of boron nitride/carbon fiber composite with high specific surface area
  17. Crevice corrosion resistance of high alloyed materials in 3.5 % NaCl solution
  18. Effect of grain size on the microstructure and mechanical properties of Mg-4Y-3Nd-0.5Zr alloy
  19. People
  20. Professor Ulrich Martin on his 65th birthday
  21. DGM News
  22. DGM News
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