Paper Title:
Enhanced Plasticity of a Mg-8Li Alloy Reinforced with SiC Particles
  Abstract

Mg8Li alloy reinforced by 7 vol.% SiC particles was processed by a powder metallurgical method. Samples were deformed in tension and compression at temperatures from room temperature up to 300 °C. The yield stress as well as the maximum stress 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.

  Info
Periodical
Edited by
Pavel Šandera
Pages
378-381
DOI
10.4028/www.scientific.net/KEM.465.378
Citation
Z. Trojanová, Z. Száraz, "Enhanced Plasticity of a Mg-8Li Alloy Reinforced with SiC Particles", Key Engineering Materials, Vol. 465, pp. 378-381, 2011
Online since
January 2011
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