7ZHANG Ya,ZENG Xiao-qin,LIU Liu-fa,LU Chen,ZHOU Han-tao,LI Qiang,ZHU Yan-ping.Effects of yttrium on microstructure and mechanical properties of hot-extruded Mg-Zn-Y-Zr alloys[J].Mater Sci Eng A,2004,373:320-327.
8MA Ming-long,ZHANG Kui,LI Xing-gang,LI Yong-jun,ZHANG Kang.The hot deformation behavior of as-cast Mg-7Gd-5Y-1.2Nd-Zr magnesium alloy[J].Transactions of Nonferrous Metals Society of China,2008,18(s1):132-139.
9LI Yong-jun,ZHANG Kui,LI Xing-gang,MI Xu-jun,XIONG Bai-qing,HU Chun-li.Effects of heat treatment and plastic deformation on structure and properties of Mg-9Al-1.2Nd-0.45Y-0.7Zn Mg alloy[J].Transactions of Nonferrous Metals Society of China,2007,17(s1):363-367.
10BAI Jing,SUN Yang-shan,XUE Feng,XUE Shan,QIANG Jing,TAO Wei-jian.Effect of extrusion on microstructures,and mechanical and creep properties of Mg-Al-Sr and Mg-Al-Sr-Ca alloys[J].Scripta Materialia,2006,55:1163-1166.