Enhanced Plasticity of a Mg-8Li Alloy Reinforced with SiC Particles
Mg-8Li alloy reinforced by 7 vol.% SiC particles was processed by a powder metallurgical method. Samples were deformed in tension at temperatures from room temperature up to 300 °C. The yield stress as well as the tensile strength decrease with increasing temperature. Decreasing stresses detected at temperatures higher than 150 °C indicate possible presence of recovery process/es. Estimated activation enthalpy is close to the activation enthalpy for the grain boundary sliding. Strain rate sensitivity was estimated at elevated temperatures. Enhanced plasticity was estimated at 300 °C. Light and scanning electron microscopy revealed the cavitations during the high temperature deformation.
TROJANOVA Zuzanka;
SZARAZ Zoltan;
2012-03-01
Trans Tech Publications
JRC59070
1662-9795,
http://www.scientific.net/KEM.465.378,
https://publications.jrc.ec.europa.eu/repository/handle/JRC59070,
10.4028/www.scientific.net/KEM.465.378,
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