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Drozdenko, Daria
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Publications (6/6 displayed)
- 2022The Role of LPSO Structures in Corrosion Resistance of Mg-Y-Zn Alloyscitations
- 2021The temperature effect on the plastic deformation of the Mg$_{88}$Zn$_7$Y$_5$ alloy with LPSO phase studied by in-situ synchrotron radiation diffractioncitations
- 2020Grain Size-Related Strengthening and Softening of a Precompressed and Heat-Treated Mg–Zn–Ca Alloycitations
- 2020Hot deformation of Mg-Y-Zn alloy with a low content of the LPSO phase studied by in-situ synchrotron radiation diffractioncitations
- 2020Influence of Volume Fraction of Long-Period Stacking Ordered Structure Phase on the Deformation Processes during Cyclic Deformation of Mg-Y-Zn Alloyscitations
- 2019Processing Effects on the Formability of Magnesium Alloy Sheets
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article
Grain Size-Related Strengthening and Softening of a Precompressed and Heat-Treated Mg–Zn–Ca Alloy
Abstract
<jats:p>The impact of precompression, thermal treatment and its combination on the deformation behaviour of an extruded Mg–Zn–Ca (ZX10) alloy was studied with respect to a varied average grain size. The Hall–Petch plot was used to highlight the impact in a wide grain size interval. The initial texture of the wrought alloy was characterized by X-ray diffraction. Moreover, the evolution of microstructure and texture was provided by the electron backscatter diffraction (EBSD) technique. The obtained results indicate the strong contribution of deformation-thermal treatment on the resulting deformation behaviour. Particularly, after precompression and heat treatment, higher strengthening effect was observed in the reversed tensile loaded compared to compressed samples without any change in the Hall–Petch slope throughout the grain size interval. Unlike this strengthening effect, a reversed tension–compression yield asymmetry with higher strength values in compression has been obtained.</jats:p>