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Shear deformation of submicron-structured materials

  • Martin Hafok and Reinhard Pippan
Published/Copyright: May 23, 2013
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 98 Issue 4

Abstract

Shear samples with special geometry were produced from high purity nickel and copper in order to study the deformation mechanism in the saturation region of severely plastically deformed metals. The shear samples, pre-deformed by high pressure torsion, were tested in situ at room temperature. Electron back scatter diffraction and back scatter images were used to characterise the change in micro-texture and microstructure after the shear deformation. The experiment revealed that almost all grains were sheared simultaneously, while at higher shear strains the formation of micro shear bands were observed.

Keywords: High pressure torsion; Nickel; Copper; Ductility
* Correspondence address, DI Martin Hafok Jahnstraße 12, A-8700 Leoben, Austria Tel.: +43 3842 804 314 Fax: +43 3842 804 116 E-mail:

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Received: 2006-11-6
Accepted: 2007-2-8
Published Online: 2013-05-23
Published in Print: 2007-04-01

© 2007, Carl Hanser Verlag, München

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  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
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  16. New trends in superplasticity in SPD-processed nanostructured materials
  17. Deformation behaviour, microstructure and processing of accumulative roll bonded aluminium alloy AA6016
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  21. Notifications
  22. DGM News
https://doi.org/10.3139/146.101472
Keywords for this article
High pressure torsion; Nickel; Copper; Ductility

Articles in the same Issue

  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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