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The effect of back pressure on mechanical properties of an Mg-3 wt.% Al-1 wt.% Zn alloy with single pass equal channel angular pressing

  • Feng Kang , Jin Qiang Liu , Jing Tao Wang , Xiang Zhao , Xiaolin Wu and Kenong Xia
Published/Copyright: June 11, 2013
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 100 Issue 12

Abstract

The strength and ductility in an Mg-3 wt.% Al-1 wt.% Zn alloy were both increased after a single pass of equal channel angular pressing with back pressure (BP-ECAP). The strong soft texture in the case of ECAP without backpressure is changed to a much weak texture with some transformed to hard orientation, and together with the stronger grain refinement strengthening effect, contributes to the higher strength and ductility in samples ECAP processed with backpressure. Dynamic recrystallization and the activation of new deformation modes other than slip on the base plane during ECAP with backpressure lead to more effective grain refining and less soft texture development.

Keywords: Mg-3 wt.% Al-1 wt.% Zn alloy; Equal channel angular pressing (ECAP); Back pressure; Strength; Ductility
* Correspondence address Professor Jing Tao Wang, Department of Materials Science and Engineering Nanjing University of Science and Technology Nanjing 210094, P. R. China Tel.: +86 025 8430 3983 E-mail:

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Received: 2009-6-10
Accepted: 2009-10-9
Published Online: 2013-06-11
Published in Print: 2009-12-01

© 2009, Carl Hanser Verlag, München

Articles in the same Issue

  1. Contents
  2. Contents
  3. Editorial
  4. Review of IJMR's centenary year
  5. Proceedings of the SPD Workshop, Melbourne, June 2009
  6. Feature
  7. Processing by severe plastic deformation:an ancient skill adapted for the modern world
  8. Review
  9. Grain refinement and growth induced by severe plastic deformation
  10. Basic
  11. The nature of grain refinement in equal-channel angular pressing: a comparison of representative fcc and hcp metals
  12. Ductility of ultrafine-grained copper processed by equal-channel angular pressing
  13. Technical parameters affecting grain refinement by high pressure torsion
  14. Nanocrystalline body-centred cubic beta-titanium alloy processed by high-pressure torsion
  15. Softening of high purity aluminum and copper processed by high pressure torsion
  16. An atom probe characterisation of grain boundaries in an aluminium alloy processed by equal-channel angular pressing
  17. Deformation mechanisms in an ultra-fine grained Al alloy
  18. Applied
  19. The effect of back pressure on mechanical properties of an Mg-3 wt.% Al-1 wt.% Zn alloy with single pass equal channel angular pressing
  20. Nanostructuring of Ti-alloys by SPD processing to achieve superior fatigue properties
  21. Improvement in the strength and ductility of Al-Mg-Mn alloys with Zr and Sc additions by equal channel angular pressing
  22. The effect of initial microstructure and processing temperature on microstructure and texture in multilayered Al/Al(Sc) ARB sheets
  23. Plastic deformation analysis of accumulative back extrusion
  24. The possibility of synthesizing bulk nanostructured or ultrafine structured metallic materials by consolidation of powders using high strain powder compact forging
  25. Use of residual hydrogen to produce CP-Ti powder compacts for low temperature rolling
  26. Mg alloy for hydrogen storage processed by SPD
  27. DGM News
  28. Personal/Conferences/Imprint
https://doi.org/10.3139/146.110238
Keywords for this article
Mg-3 wt.% Al-1 wt.% Zn alloy; Equal channel angular pressing (ECAP); Back pressure; Strength; Ductility

Articles in the same Issue

  1. Contents
  2. Contents
  3. Editorial
  4. Review of IJMR's centenary year
  5. Proceedings of the SPD Workshop, Melbourne, June 2009
  6. Feature
  7. Processing by severe plastic deformation:an ancient skill adapted for the modern world
  8. Review
  9. Grain refinement and growth induced by severe plastic deformation
  10. Basic
  11. The nature of grain refinement in equal-channel angular pressing: a comparison of representative fcc and hcp metals
  12. Ductility of ultrafine-grained copper processed by equal-channel angular pressing
  13. Technical parameters affecting grain refinement by high pressure torsion
  14. Nanocrystalline body-centred cubic beta-titanium alloy processed by high-pressure torsion
  15. Softening of high purity aluminum and copper processed by high pressure torsion
  16. An atom probe characterisation of grain boundaries in an aluminium alloy processed by equal-channel angular pressing
  17. Deformation mechanisms in an ultra-fine grained Al alloy
  18. Applied
  19. The effect of back pressure on mechanical properties of an Mg-3 wt.% Al-1 wt.% Zn alloy with single pass equal channel angular pressing
  20. Nanostructuring of Ti-alloys by SPD processing to achieve superior fatigue properties
  21. Improvement in the strength and ductility of Al-Mg-Mn alloys with Zr and Sc additions by equal channel angular pressing
  22. The effect of initial microstructure and processing temperature on microstructure and texture in multilayered Al/Al(Sc) ARB sheets
  23. Plastic deformation analysis of accumulative back extrusion
  24. The possibility of synthesizing bulk nanostructured or ultrafine structured metallic materials by consolidation of powders using high strain powder compact forging
  25. Use of residual hydrogen to produce CP-Ti powder compacts for low temperature rolling
  26. Mg alloy for hydrogen storage processed by SPD
  27. DGM News
  28. Personal/Conferences/Imprint
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