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Title: Al and Zn Impurity Diffusion in Binary and Ternary Magnesium Solid-Solutions

Magnesium alloys are considered for implementation into structural components where energy-efficiency and light-weighting are important. Two of the most common alloying elements in magnesium alloys are Aluminum and Zinc. The present work examines impurity diffusion coefficients of Al and Zn in Mg(Zn) and Mg(Al) binary solid solutions, respectively. Experimental investigation is carried out with ternary diffusion couples with polycrystalline alloys. Concentration profiles were measured by electron microprobe micro-analysis and the impurity diffusion coefficients were determined by the Hall Method. Results of Al and Zn impurity diffusion in Mg solid solutions are reported, and examined as a function of composition of Mg solid solution.
 [1] ;  [2] ;  [2] ;  [3]
  1. University of Central Florida, Orlando
  2. ORNL
  3. University of Central Florida
Publication Date:
OSTI Identifier:
DOE Contract Number:
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Resource Relation:
Conference: 2014 TMS Annual Meeting & Exhibition, San Diego, CA, USA, 20140216, 20140220
Research Org:
Oak Ridge National Laboratory (ORNL)
Sponsoring Org:
EE USDOE - Office of Energy Efficiency and Renewable Energy (EE)
Country of Publication:
United States
magnesium; diffusion; aluminum; zinc; impurity; diffusion couple; interdiffusion; Hall