Startseite The influence of orientation and aluminium content on the deformation mechanisms of Hadfield steel single crystals
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The influence of orientation and aluminium content on the deformation mechanisms of Hadfield steel single crystals

  • Elena G. Astafurova , Irina V. Kireeva , Yuriy I. Chumlyakov , Hans J. Maier und Huseyin Sehitoglu
Veröffentlicht/Copyright: 23. Mai 2013
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International Journal of Materials Research
Aus der Zeitschrift International Journal of Materials Research Band 98 Heft 2

Abstract

The low stacking fault energy and high carbon content in Hadfield steel make twinning the basic deformation mechanism from the onset of plastic deformation in [1¯11] and [011] oriented single crystals in tension at T = 77 – 300 K. Alloying with aluminium (2.7 Al in wt.%) results in an increase of stacking fault energy from 0.03 J · m2 to 0.05 J · m−2 and moves twinning to higher degrees of deformation (∊pl > 15 %). In aluminium-free [1¯23] crystals twinning starts after 20 % strain. For [1¯23], [001] orientations, aluminium additions change the dislocation arrangement from a uniform distribution to a planar dislocation arrangment and also suppress twinning. Intersections of dislocation pile-ups were found to be the governing factor for hardening in the aluminium-alloyed [001] crystals.

Keywords: Hadfield steel; Microstructure; Single crystal; Stacking fault energy; Twinning
* Correspondence address, Elena Astafurova, Siberian Physical Technical Institute at Tomsk State University, Novosobornaya sq., 1, 634050 Tomsk, Russia, Tel.: +3822 533 209, Fax: +3822 533034, E-mail:

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Received: 2004-7-21
Accepted: 2006-11-27
Published Online: 2013-05-23
Published in Print: 2007-02-01

© 2007, Carl Hanser Verlag, München

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Basic
  4. A comparison of different distributions of azimuth angles in the sin2 ψ-method
  5. Experimental study and thermodynamic assessment of the ZrO2–DyO1.5 system
  6. Liquid–solid phase equilibria in metal-rich Hf–Ti–Si alloys
  7. Density and atomic volume in liquid Al–Fe and Al–Ni binary alloys
  8. Identification of liquid/solid transformations in eutectic Pb–Sn alloy
  9. Cyclic deformation behaviour and lifetime calculation of the magnesium die-cast alloys AZ91D, MRI 153M and MRI 230D
  10. Applied
  11. Superplastic deformation behavior of a spray-deposited eutectic NiAl/Cr(Mo) alloy doped with Dy
  12. Fracture behavior of overmatched ductile iron weldment
  13. Design of carbide-free low-temperature ultra high strength bainitic steels
  14. The influence of orientation and aluminium content on the deformation mechanisms of Hadfield steel single crystals
  15. Effect of tempering on the microstructure and hardness of ledeburitic chromium steel X155CrVMo12.1
  16. Notifications
  17. DGM News
https://doi.org/10.3139/146.101438
Schlagwörter für diesen Artikel
Hadfield steel; Microstructure; Single crystal; Stacking fault energy; Twinning

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Basic
  4. A comparison of different distributions of azimuth angles in the sin2 ψ-method
  5. Experimental study and thermodynamic assessment of the ZrO2–DyO1.5 system
  6. Liquid–solid phase equilibria in metal-rich Hf–Ti–Si alloys
  7. Density and atomic volume in liquid Al–Fe and Al–Ni binary alloys
  8. Identification of liquid/solid transformations in eutectic Pb–Sn alloy
  9. Cyclic deformation behaviour and lifetime calculation of the magnesium die-cast alloys AZ91D, MRI 153M and MRI 230D
  10. Applied
  11. Superplastic deformation behavior of a spray-deposited eutectic NiAl/Cr(Mo) alloy doped with Dy
  12. Fracture behavior of overmatched ductile iron weldment
  13. Design of carbide-free low-temperature ultra high strength bainitic steels
  14. The influence of orientation and aluminium content on the deformation mechanisms of Hadfield steel single crystals
  15. Effect of tempering on the microstructure and hardness of ledeburitic chromium steel X155CrVMo12.1
  16. Notifications
  17. DGM News
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