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Electropulsing-induced phase transformations and their effects on the single point diamond turning of a tempered alloy AZ91

  • Duo Zhang , Suet To , Yao Hua Zhu , Hao Wang and Guo Yi Tang
Published/Copyright: June 11, 2013
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 103 Issue 10

Abstract

The effects of electropulsing on microstructure changes and phase transformations of a tempered Mg-9Al-1Zn alloy sheet were investigated by using X-ray diffraction and transmission electron microscopy. The results indicate that with increasing frequency of electropulsing, precipitation and decomposition of β-phase were tremendously accelerated sequentially. The effects of electropulsing on single-point diamond turning processing were investigated by examining cutting force and surface roughness variations, and are discussed from the point of view of dislocation dynamics.

Keywords: Electropulsing; Phase transformations; Ultra-precision machining; Dislocation; Mg-alloy
1 Correspondence address: Dr. Suet To, State Key Laboratory on Ultra-precision machining Technology, Dept. of Industrial and Systematic Engineering, Hong Kong Polytechnic University, Hong KongChina, Tel.: (852) 27666587, Fax: (852) 23625267, E-mail:
2 Dr. Yao Hua Zhu, State Key Laboratory on Ultra-precision Machining Technology, Dept. of Industrial and Systematic Engineering, Hong Kong Polytechnic University, Hong KongChina, Tel.: (852) 97133244, Fax: (852) 23625267, E-mail:

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Received: 2011-7-20
Accepted: 2012-2-8
Published Online: 2013-06-11
Published in Print: 2012-10-01

© 2012, Carl Hanser Verlag, Munich

Articles in the same Issue

  1. Contents
  2. Contents
  3. Original Contributions
  4. Phase equilibria in the Gd–Ni binary and Mg–Ni–Gd ternary systems
  5. Thermodynamics of dilute binary solid solutions using the cluster variation method
  6. Thermal stability of coherent Pd/TiAl interfaces studied from first-principles calculations and experiments
  7. Electropulsing-induced phase transformations and their effects on the single point diamond turning of a tempered alloy AZ91
  8. Study of the mechanism of ductile-regime grinding of SiCp/Al composites using finite element simulation
  9. Investigations on laser welding of magnesium alloys
  10. Investigation of the surface of a laser-treated cast iron cylinder bore
  11. Solidification behaviour of an AA5754 Al alloy ingot cast with high impurity content
  12. Study of the structural evolution of crystalline zinc oxide films prepared by PLD
  13. Effects of sintering temperature on pore characterization and strength of porous cordierite–mullite ceramics by a pore-forming in-situ technique
  14. Sol–gel synthesis of Eu3+, Tb3+ co-doped Y2O3 scintillating nanopowders
  15. Morphological study of SiC coating developed on 2D carbon composites using MTS precursor in a hot-wall vertical reactor
  16. Self-assembling behavior and corrosion inhibition properties of TDPA films on differently structured surfaces of 2024 and 1060 aluminum alloys
  17. Photocatalytic activity of MnWO4 powder in highly effective hydrogen generation from H2O and H2O2
  18. Rheology and microstructure of polymer-modified asphalt nanocomposites
  19. Short Communications
  20. Microstructure and phase composition in a die cast Mg–Nd alloy containing Zn and Zr
  21. DGM News
  22. DGM News
https://doi.org/10.3139/146.110758
Keywords for this article
Electropulsing; Phase transformations; Ultra-precision machining; Dislocation; Mg-alloy

Articles in the same Issue

  1. Contents
  2. Contents
  3. Original Contributions
  4. Phase equilibria in the Gd–Ni binary and Mg–Ni–Gd ternary systems
  5. Thermodynamics of dilute binary solid solutions using the cluster variation method
  6. Thermal stability of coherent Pd/TiAl interfaces studied from first-principles calculations and experiments
  7. Electropulsing-induced phase transformations and their effects on the single point diamond turning of a tempered alloy AZ91
  8. Study of the mechanism of ductile-regime grinding of SiCp/Al composites using finite element simulation
  9. Investigations on laser welding of magnesium alloys
  10. Investigation of the surface of a laser-treated cast iron cylinder bore
  11. Solidification behaviour of an AA5754 Al alloy ingot cast with high impurity content
  12. Study of the structural evolution of crystalline zinc oxide films prepared by PLD
  13. Effects of sintering temperature on pore characterization and strength of porous cordierite–mullite ceramics by a pore-forming in-situ technique
  14. Sol–gel synthesis of Eu3+, Tb3+ co-doped Y2O3 scintillating nanopowders
  15. Morphological study of SiC coating developed on 2D carbon composites using MTS precursor in a hot-wall vertical reactor
  16. Self-assembling behavior and corrosion inhibition properties of TDPA films on differently structured surfaces of 2024 and 1060 aluminum alloys
  17. Photocatalytic activity of MnWO4 powder in highly effective hydrogen generation from H2O and H2O2
  18. Rheology and microstructure of polymer-modified asphalt nanocomposites
  19. Short Communications
  20. Microstructure and phase composition in a die cast Mg–Nd alloy containing Zn and Zr
  21. DGM News
  22. DGM News
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