Fine-grained magnesium alloy QE22 (Mg-2.5wt.%Ag-2.5wt.%RE-0.6wt.%Zr) was prepared from cast ingot
which was submitted to a two stages heat treatment. Subsequently the billet was overaged and extruded at high
temperature. Samples were deformed at elevated temperatures from 380 °C up to 480 °C at various strain rates.
Microstructure of deformed samples was studied using light and electron microscopy. Conditions for superplasticity
of the investigated alloys have been estimated. Possible deformation mechanisms are discussed.
TROJANOVA Zuzanka;
CHIAPPA Simone;
MALEK Premysl;
SZARAZ Zoltan;
LUKAC Pavel;
RYSPAEV Talant;
2016-01-07
POLISH ACAD SCIENCES INST PHYSICS
JRC100044
0587-4246,
http://przyrbwn.icm.edu.pl/APP/PDF/128/a128z4p71.pdf,
https://publications.jrc.ec.europa.eu/repository/handle/JRC100044,
10.12693/APhysPolA.128.765,
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