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Grain refinement and texture formation in torsion deformed NiAl

  • Burghardt Klöden , Erik Rybacki , Carl-Georg Oertel und Werner Skrotzki
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 4

Abstract

Torsion at elevated temperatures and pressures was used to severely deform the intermetallic compound NiAl. The microstructure and texture as a function of shear strain were investigated by orientation imaging microscopy and diffraction of synchrotron radiation, respectively. The results show that at high shear strains a steady state grain structure and texture develops by continuous dynamic recrystallisation. The lowest grain size achieved is in the micron range, the main texture component is {110}<100>. It is concluded that high-strain torsion may open new possibilities in terms of grain refinement, texture formation and ductilisation of NiAl.

Keywords: NiAl; Torsion; Microstructure; Texture; Ductility
* Correspondence address, Prof. Dr. Werner Skrotzki, Institut für Strukturphysik, Technische Universität Dresden, D-01062 Dresden, Germany, Tel.: +49 351 463 35 144, Fax: +49 351 463 37 048, E-mail:

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Received: 2006-10-2
Accepted: 2007-2-6
Published Online: 2013-05-23
Published in Print: 2007-04-01

© 2007, Carl Hanser Verlag, München

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Editorial
  4. Editorial
  5. Basic
  6. Ultrafine-grained materials: a personal perspective
  7. Retained coarse grains in bulk nanocrystalline Ni3Al
  8. The effect of grain size on strain rate sensitivity and activation volume – from nano to ufg nickel
  9. Thermal stability of ECAP processed pure Cu and CuZr
  10. Grain refinement and texture formation in torsion deformed NiAl
  11. Shear deformation of submicron-structured materials
  12. Non-microscopical methods for characterization of microstructures and properties of UFG metals
  13. Applied
  14. Deformation processing of massive nanostructured materials
  15. Effect of Nb–V addition on the mechanical behaviour and structural stability of ultrafine grained steels
  16. New trends in superplasticity in SPD-processed nanostructured materials
  17. Deformation behaviour, microstructure and processing of accumulative roll bonded aluminium alloy AA6016
  18. The influence of post-ECAP annealing on the properties of ultrafine-grained 5005 aluminum alloy sheet
  19. Enhancement in mechanical behavior and wear resistance of severe plastically deformed two-phase Zn–Al alloys
  20. Mechanical behavior of nanostructured metals and alloys in the 300–4.2 K temperature interval
  21. Notifications
  22. DGM News
https://doi.org/10.3139/146.101471
Schlagwörter für diesen Artikel
NiAl; Torsion; Microstructure; Texture; Ductility

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Editorial
  4. Editorial
  5. Basic
  6. Ultrafine-grained materials: a personal perspective
  7. Retained coarse grains in bulk nanocrystalline Ni3Al
  8. The effect of grain size on strain rate sensitivity and activation volume – from nano to ufg nickel
  9. Thermal stability of ECAP processed pure Cu and CuZr
  10. Grain refinement and texture formation in torsion deformed NiAl
  11. Shear deformation of submicron-structured materials
  12. Non-microscopical methods for characterization of microstructures and properties of UFG metals
  13. Applied
  14. Deformation processing of massive nanostructured materials
  15. Effect of Nb–V addition on the mechanical behaviour and structural stability of ultrafine grained steels
  16. New trends in superplasticity in SPD-processed nanostructured materials
  17. Deformation behaviour, microstructure and processing of accumulative roll bonded aluminium alloy AA6016
  18. The influence of post-ECAP annealing on the properties of ultrafine-grained 5005 aluminum alloy sheet
  19. Enhancement in mechanical behavior and wear resistance of severe plastically deformed two-phase Zn–Al alloys
  20. Mechanical behavior of nanostructured metals and alloys in the 300–4.2 K temperature interval
  21. Notifications
  22. DGM News
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