期刊
SCRIPTA MATERIALIA
卷 58, 期 8, 页码 619-622出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2007.11.022
关键词
magnesium alloys; precipitation-hardening; Mg-Gd-Ag-Zr; Mg-Gd-Ag-Zn-Zr
The maximum hardness achievable in Mg-6 wt.%Gd-0.6 wt.%Zr alloy during isothermal aging at 200 and 250 degrees C can be increased substantially by controlled additions of Ag or Zn. A further increase in the maximum hardness can be achieved when Ag and Zn are added together. The remarkable improvement in precipitation-hardening in the resultant alloys is associated with a dense distribution of nano-scale basal precipitate plates. (C) 2007 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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