Effects of alloying elements on microstructures and mechanical properties of wrought Mg-MM-Sn alloy

被引：54
作者：
Lim, Hyun Kyu [1 ]
Kim, Do Hyung [1 ]
Lee, Ju Youn [1 ]
Kim, Won Tae [2 ]
Kim, Do Hyang [1 ]
机构：
[1] Yonsei Univ, Ctr Noncrystalline Mat, Dept Met Engn, 134 Sinchon Dong, Seoul 120749, South Korea
[2] Cheongju Univ, Div Appl Sci, Cheongju 360764, Chongbuk, South Korea
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2009年 / 468卷 / 1-2期
关键词：
Mg-MM-Sn alloys; Solid-solution softening; Texture evaluation; Formability; ROOM-TEMPERATURE; FORMABILITY; SLIP; BEHAVIOR; PHASE; SHEET;
D O I：
10.1016/j.jallcom.2007.12.098
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Microstructural evolution and resulting mechanical properties in Mg-2MM-2Sn-X (X = Al and/or Zn) alloys have been investigated. The specimens were fabricated by hot-rolling. The tensile tests were performed at room temperature and 200 degrees C. The rollability and mechanical properties of specimens are improved with the addition of Al and/or Zn in Mg-MM-Sn alloy. Especially, annealed Mg-2MM-2Sn-1Zn sheet exhibits a good combination of strength and elongation-to-fracture. The result of conical cup test at 200 degrees C with punch speed of 50 mm/min shows that the addition of Al and/or Zn also improves the formability of Mg-MM-Sn alloys. Moreover, alloy containing Zn showed the best formability. The effects of texture and c/a ratio on formability have been discussed. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：308 / 314
页数：7
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