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Journal of Materials Science

, Volume 43, Issue 21, pp 6920–6924 | Cite as

Study on deformation behavior and strain homogeneity during cyclic extrusion and compression

  • Jinbao Lin
  • Qudong Wang
  • Liming Peng
  • Hans J. Roven
Article

Abstract

In this paper, the plastic deformation behavior and strain homogeneity of the ZK60 Mg alloy during the multi-pass cyclic extrusion and compression (CEC) was simulated using the finite-element method (FEM) with a view to provide an insight into the mechanics of the process. Physical modeling (PM) experiment with same alloy was carried out to verify the results of the numerical simulations. The results show that two vortex flow regions with opposite flow direction are formed inside the cylindrical workpiece during CEC deformation. Although the deformation is inhomogeneous in both end regions of workpiece, a uniform region of equivalent strain exists, and the extent of uniform deformation increased with the increase in workpiece length.

Keywords

Strain Homogeneity Severe Plastic Deformation Processing Plastic Deformation Behavior Cylindrical Workpiece Opposite Flow Direction 

Notes

Acknowledgements

This work was supported by the National Natural Science Foundation of China (No. 50674067), National Basic Research Program of China (No. 2007CB613701) and Program of Shanghai Subject Chief Scientist (No. 08XD14020). Special thanks to Snorre Kjørstad Fjeldbo for useful comments on the manuscript.

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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  • Jinbao Lin
    • 1
    • 2
  • Qudong Wang
    • 1
  • Liming Peng
    • 1
  • Hans J. Roven
    • 3
  1. 1.National Engineering Research Center for Light Alloy Net FormingShanghai Jiao Tong UniversityShanghaiChina
  2. 2.School of Applied ScienceTaiyuan University of Science and TechnologyTaiyuanChina
  3. 3.Department of Materials Science and EngineeringThe Norwegian University of Science and TechnologyTrondheimNorway

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