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Publication Detail
Partition of Er among the constituent phases and the yield phenomenon in a semi-continuously cast Mg-Zn-Zr alloy
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Article
  • Authors:
    Zhang J, Zhang XF, Li WG, Pan FS, Guo ZX
  • Publisher:
    PERGAMON-ELSEVIER SCIENCE LTD
  • Publication date:
    08/2010
  • Pagination:
    367, 370
  • Journal:
    SCRIPTA MATER
  • Volume:
    63
  • Issue:
    4
  • Print ISSN:
    1359-6462
  • Language:
    EN
  • Keywords:
    Magnesium alloys, Rare earth, Yield phenomena, Solidification microstructure, MECHANICAL-PROPERTIES, RARE-EARTH, DEFORMATION-BEHAVIOR, MAGNESIUM ALLOY, MICROSTRUCTURE, TEXTURE, DUCTILITY
  • Addresses:
    Zhang, J
    Chongqing Univ
    Coll Mat Sci & Engn
    Chongqing
    400044
    Peoples R China

    Natl Engn Res Ctr Magnesium Alloys
    Chongqing
    400044
    Peoples R China
Abstract
This paper describes an increased partition of a rare earth element Er to the Mg matrix in a semi-continuously cast Mg-1.5Zn-0.6Zr alloy, resulting in a significant increase in elongation, as well as a refined grain size and a higher yield strength in the extruded Er-containing alloys compared with the Er-free alloy. Yield phenomena with distinct upper and lower yield points were also observed, caused by the strong interaction between solute atoms and dislocations as a result of Er addition. (C) 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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