Calorimetric Analysis of a Mg-Zn-Zr Alloy Processed by Equal Channel Angular Pressing via Route A

Being the lightest structural element, magnesium and its alloys has attracted significant interes in the last years, but because of its hexagonal close packed structure, magnesium presents relatively low strength and ductility. One of the methods to improve the mechanical properties of the processed...

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Bibliographic Details
Published in:Key engineering materials 2014-01, Vol.583, p.32-35
Main Authors: Higuera-Cobos, Oscar Fabián, Cabrera, Jose María, Ghiban, Brandusa, Ghiban, Nicolae, Dumitru, Florina Diana, Gurau, Gheorghe
Format: Article
Language:English
Subjects:
Aliatges
Differential scanning calorimetry
Enginyeria dels materials
Equal channel angular pressing
Internal energy
Magnesi
Magnesium
Magnesium alloys
Magnesium base alloys
Mechanical properties
Optical microscopes
Structural members
Àrees temàtiques de la UPC
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Summary:Being the lightest structural element, magnesium and its alloys has attracted significant interes in the last years, but because of its hexagonal close packed structure, magnesium presents relatively low strength and ductility. One of the methods to improve the mechanical properties of the processed materials is through Severe Plastic Deformation (SPD). ZK60 magnesium alloy samples were subjected to 4 passes of equal-channel angular pressing (ECAP) at a processing temperature of 250°C, following route A. The microstructure was determined with an Olympus BX51 optical microscope. Differential Scanning Calorimetry (DSC) was used to estimate the stored energy and the recrystallization temperature after each ECAP pass.
ISSN:1013-9826
1662-9795
1662-9795
DOI:10.4028/www.scientific.net/KEM.583.32