Compression Test on Magnesium Alloy MgAl8Zn at High Strain Rates and Temperatures

  1. Prof. Dr.-Ing. K. U. Kainer
  1. E. El-Magd and
  2. M. Abouridouane

Published Online: 15 MAY 2006

DOI: 10.1002/3527607552.ch51

Magnesium Alloys and their Applications

Magnesium Alloys and their Applications

How to Cite

El-Magd, E. and Abouridouane, M. (2000) Compression Test on Magnesium Alloy MgAl8Zn at High Strain Rates and Temperatures, in Magnesium Alloys and their Applications (ed K. U. Kainer), Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, FRG. doi: 10.1002/3527607552.ch51

Editor Information

  1. GKSS-Forschungszentrum Geesthacht GmbH, Institut für Werkstofforschung, Max-Planck- Straße, D-21502 Geesthacht, Germany

Author Information

  1. Department of Materials Science, RWTH Aachen, Germany

Publication History

  1. Published Online: 15 MAY 2006
  2. Published Print: 20 SEP 2000

ISBN Information

Print ISBN: 9783527302826

Online ISBN: 9783527607556

SEARCH

Keywords:

  • magnesium alloys;
  • mechanical development;
  • magnesium alloy MgAl8Zn;
  • compression test

Summary

Under quasi-static loading strain hardening causes an increase of force and acts stabilising on the deformation process. In case of dynamic loading, the deformation process is characterised by the propagation of mechanical waves and their reflections [1]. Furthermore, additional influences on the ductility of the material have to be taken into consideration. With increasing deformation rate, the strain rate sensitivity increases leading to a higher local value of flow stress and stabilises the deformation. On the other hand, the adiabatic character of the deformation process reduces the flow stress and promotes instability. Mass inertia in the lateral direction arise in connection with radial acceleration. This causes the initiation of either lateral tensile or lateral compressive stresses depending on the time function of the global strain of the specimen [2].