Long period stacking structures observed inMg97Zn1Y2 alloy

被引:568
作者
Itoi, T [1 ]
Seimiya, T
Kawamura, Y
Hirohashi, M
机构
[1] Chiba Univ, Dept Elect & Mech Engn, Chiba 2638522, Japan
[2] Kumamoto Univ, Dept Mech Engn & Mat Sci, Kumamoto 8608555, Japan
关键词
Mg-Zn-Y alloy; long period stacking (LPS) structure; microstructure; TEM;
D O I
10.1016/j.scriptamat.2004.04.003
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
A long period stacking (LPS) structure with 18R-type has been observed in Mg97Zn1Y2 (at%) alloy prepared by Cu-mold casting and induction melting methods. The 18R-type LPS structure is also found in the Mg97Zn1Er2 alloy prepared by the induction melting method. After annealing at 773 K for 5 h, the 18R-type LPS structure in the Mg97Zn1Y2 alloy is transformed to a 14H-type LPS structure. (C) 2004 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:107 / 111
页数:5
相关论文
共 9 条
[1]   Long-period ordered structure in a high-strength nanocrystalline Mg-1 at% Zn-2 at% Y alloy studied by atomic-resolution Z-contrast STEM [J].
Abe, E ;
Kawamura, Y ;
Hayashi, K ;
Inoue, A .
ACTA MATERIALIA, 2002, 50 (15) :3845-3857
[2]   Long-period hexagonal structures in melt-spun Mg97Ln2Zn1 (Ln=lanthanide metal) alloys [J].
Amiya, K ;
Ohsuna, T ;
Inoue, A .
MATERIALS TRANSACTIONS, 2003, 44 (10) :2151-2156
[3]   Novel hexagonal structure and ultrahigh strength of magnesium solid solution in the Mg-Zn-Y system [J].
Inoue, A ;
Kawamura, Y ;
Matsushita, M ;
Hayashi, K ;
Koike, J .
JOURNAL OF MATERIALS RESEARCH, 2001, 16 (07) :1894-1900
[4]   Rapidly solidified powder metallurgy Mg97Zn1Y2Alloys with excellent tensile yield strength above 600 MPa [J].
Kawamura, Y ;
Hayashi, K ;
Inoue, A ;
Masumoto, T .
MATERIALS TRANSACTIONS, 2001, 42 (07) :1172-1176
[5]  
Leontis T. E., 1961, RARE EARTHS, P455
[6]   High-resolution electron microscopy on the X-Mg12ZnY phase in a high strength Mg-Zn-Zr-Y magnesium alloy [J].
Luo, ZP ;
Zhang, SQ .
JOURNAL OF MATERIALS SCIENCE LETTERS, 2000, 19 (09) :813-815
[7]  
MATSUDA M, UNPUB, P24414
[8]   Local chemistry of a nanocrystalline high-strength Mg97Y2Zn1 alloy [J].
Ping, DH ;
Hono, K ;
Kawamura, Y ;
Inoue, A .
PHILOSOPHICAL MAGAZINE LETTERS, 2002, 82 (10) :543-551
[9]  
Polmear L, 1995, LIGHT ALLOYS, V3rd