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National Repository of Grey Literature 12 records found  previous11 - 12  jump to record: Search took 0.01 seconds. 
Thermal stability of Mg-alloy AZ91 prepared by severe plastic deformation
 Štěpánek, Roman ; Jan, Vít (referee) ; Pantělejev, Libor (advisor)
This thesis dealt with thermal stability of magnesium alloy AZ91 prepared by severe plastic deformation, which leeds to fine grained structure. This structure is characterised by its inherent instability and this thesis tries to find out the value of critical temperature and rate of this instability, which manifests as grain coarsening.
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Microstructural stability of Mg-alloys prepared by severe plastic deformation
 Piňos, Jakub ; Man, Ondřej (referee) ; Pantělejev, Libor (advisor)
SPD methods allow to obtain ultra-fine-grained structure (UFG) in larger volumes of material and thereby improve its mechanical properties. The microstructure obtained by these methods is thermally unstable, so use of UFG materials at elevated temperatures is limited. Heat exposure leads to grain coarsening and the deterioration of mechanical properties. This work is focused on the thermal stability of Mg-alloys of AZ group.
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National Repository of Grey Literature : 12 records found   previous11 - 12  jump to record:
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