Title: Enhanced Plasticity of a Mg-8Li Alloy Reinforced with SiC Particles
Citation: Key Engineering Materials vol. 465 p. 378-381
Publisher: Trans Tech Publications
Publication Year: 2011
JRC N°: JRC59070
ISSN: 1662-9795
URI: http://www.scientific.net/KEM.465.378
DOI: 10.4028/www.scientific.net/KEM.465.378
Type: Articles in periodicals and books
Abstract: 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.
JRC Directorate:Energy, Transport and Climate

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