HRTEM study of precipitates in Mg-Zn-Y alloys as cast and after extrusion

被引：5
作者：
Rao, JC [1 ]
Zhou, Y
Yoshimoto, S
Yamasaki, M
Kawamura, Y
机构：
[1] Harbin Inst Technol, Dept Mat Sci, Inst Adv Ceram, Heilongjiang 150001, Peoples R China
[2] Kumamoto Univ, 21st Century COE Program, Kumamoto 8608555, Japan
来源：
ADVANCED ENGINEERING MATERIALS | 2005年 / 7卷 / 07期
关键词：
D O I：
10.1002/adem.200500002
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The precipitates in Mg-Zn-Y pseudoternary alloys with nominal atomic composition Mg96Zn1Y3, Mg96Zn 2Y2, and Mg97Zn1Y2 were investigated using TEM and XRD. The samples were made from both as-cast ingots and those after Equal Channel angular Extrusion. Both the precipitates and the small size 18R structures act a significant role on the improvement of the mechanical properties of the alloys. The results show there is composition concentration of elements Zn and Y on nanometer scale in the sample alloys.
引用
收藏
页码：610 / 612
页数：3
相关论文
共 26 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]  
Blum W, 2000, ADV ENG MATER, V2, P349, DOI 10.1002/1527-2648(200006)2:6<349::AID-ADEM349>3.0.CO
[3]  
2-G
[4]  
Cáceres CH, 2002, PHYS STATUS SOLIDI A, V194, P147, DOI 10.1002/1521-396X(200211)194:1<147::AID-PSSA147>3.0.CO
[5]  
2-L
[6]  
Carlson BE, 2001, ADV ENG MATER, V3, P245
[7]  
Clark JB, 1957, J MET, V9, P425
[8]  
Decker RF, 1998, ADV MATER PROCESS, V154, P31
[9]   Novel hexagonal structure of ultra-high strength magnesium-based alloys [J].
Inoue, A ;
Matsushita, M ;
Kawamura, Y ;
Amiya, K ;
Hayashi, K ;
Koike, J .
MATERIALS TRANSACTIONS, 2002, 43 (03) :580-584
[10]   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
123