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|Title:||Enhanced Plasticity of WE54/SiC Composite Prepared by Powder Metallurgy|
|Authors:||SZARAZ ZOLTAN; TROJANOVA Zuzanka|
|Citation:||Key Engineering Materials vol. 465 p. 419-422|
|Publisher:||Trans Tech Publications|
|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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