The deformation characteristics of the WE54 magnesium alloy reinforced by 13% of SiC particles have been investigated in tension at elevated temperatures. Composite material was prepared by powder metallurgy technique. The strain rate sensitivity parameter m has been
estimated by the abrupt strain rate changes (SRC) method. SRC tests and tensile tests with constant strain rate (e& = const. ) were performed at temperatures from 350 to 500 °C. Increased ductility has been found at high strain rates. The corresponding m value was 0.3. The activation energy Q has been estimated. Microstructure evolution has been observed by the light microscope and scanning
electron microscope.
SZARAZ Zoltan;
TROJANOVA Zuzanka;
2012-03-01
Trans Tech Publications
JRC59069
1662-9795,
http://www.scientific.net/KEM.465.419,
https://publications.jrc.ec.europa.eu/repository/handle/JRC59069,
10.4028/www.scientific.net/KEM.465.378,
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