Journal
SCRIPTA MATERIALIA
Volume 53, Issue 7, Pages 799-803Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2005.06.006
Keywords
Mg-Zn-Gd alloy; long period ordered (LPO) structure; extrusion; mechanical properties; precipitation
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Heat treatment produces the coherent precipitation of a 14H-type long period ordered (LPO) structure from a supersaturated alpha'-Mg matrix in Mg-Zn-Gd. Warm-extruded Mg96.5Zn1Gd2.5 (at.%) alloys with an LPO structure exhibited high tensile yield strength (345 MPa) and large elongation (6.9%), due to the refinement of alpha-Mg grains and the high dispersion of a hard LPO structure phase. (c) 2005 Acta Materialia Inc Published by Elsevier Ltd. All rights reserved.
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