Title: Enhanced Plasticity of WE54/SiC Composite Prepared by Powder Metallurgy
Citation: Key Engineering Materials vol. 465 p. 419-422
Publisher: Trans Tech Publications
Publication Year: 2011
JRC N°: JRC59069
ISSN: 1662-9795
URI: http://www.scientific.net/KEM.465.419
DOI: 10.4028/www.scientific.net/KEM.465.378
Type: Articles in periodicals and books
Abstract: 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.
JRC Directorate:Energy, Transport and Climate

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