Evaluation of Microstructure and Texture in Mg-5Al-3Ca Based Alloys Containing Y, Nd and Sm During Hot Extrusion

被引：0
作者：
Son, Hyeon-Taek [1 ]
Kim, Yong-Ho [1 ]
Lee, Seong-Hee [2 ]
机构：
[1] Korea Inst Ind Technol, Automot Components & Mat Grp, Gwangju 61012, South Korea
[2] Mokpo Natl Univ, Dept Mat Sci & Mech Engn, Muan 58554, South Korea
来源：
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2017年 / 17卷 / 06期
关键词：
Mg-Al-Ca Alloy; Y (Yttrium); Nd (Neodymium); Sm (Samarium); Microstructure; CA-BASED ALLOYS; MECHANICAL-PROPERTIES; PHASE;
D O I：
10.1166/jnn.2017.13424
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Evaluation of microstructure and texture in Mg-5Al-3Ca based Alloys containing Y, Nd and Sm during hot extrusion was investigated. Eutectic phase of the extruded alloys was elongated to extrusion direction and broken into small particles because of severe deformation during hot extrusion. However, Al2RE intermetallic compounds were not crushed. The efficiency of Nd and Sm addition to grain refinement was higher that than Y addition due to the increase of the DRX grains and the suppression of grain growth by the formation of fine and thermally stable Al2Sm and Al2Nd intermetallic compounds. Small amount of RE addition resulted in the formation of the random texture.
引用
收藏
页码：4032 / 4035
页数：4
相关论文
共 8 条
[1]   Mechanical properties at elevated temperature of a hot-deformed Mg-Al-Ca-Mn-Sr alloy [J].
Chino, Yasumasa ;
Nakaura, Yusuke ;
Ohori, Koichi ;
Kamiya, Akira ;
Mabuchi, Mamoru .
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2007, 452 (31-36) :31-36
[2]   Microstructures of extruded Mg-12Gd-1Zn-0.5Zr and Mg-12Gd-4Y-1Zn-0.5Zr alloys [J].
Li, J. P. ;
Yang, Z. ;
Liu, T. ;
Guo, Y. C. ;
Xia, F. ;
Yang, J. M. ;
Liang, M. X. .
SCRIPTA MATERIALIA, 2007, 56 (02) :137-140
[3]   Influence of strong static magnetic field on intermediate phase growth in Mg-Al diffusion couple [J].
Li, Z. F. ;
Dong, J. ;
Zeng, X. Q. ;
Lu, C. ;
Ding, W. J. ;
Ren, Z. M. .
JOURNAL OF ALLOYS AND COMPOUNDS, 2007, 440 (1-2) :132-136
[4]   The effects of yttrium element on microstructure and mechanical properties of Mg-5 mass% Al-3 mass% Ca based alloys fabricated by gravity casting and extrusion process [J].
Son, Hyeon-Taek ;
Lee, Jae-Seol ;
Kang, Chang-Seog ;
Bae, Jung-Chan ;
Yoshimi, Kyosuke ;
Maruyama, Kouichi .
MATERIALS TRANSACTIONS, 2008, 49 (05) :945-951
[5]   Effects of samarium (Sm) additions on the microstructure and mechanical properties of as-cast and hot-extruded Mg-5 wt%Al-3 wt%Ca-based alloys [J].
Son, Hyeon-Taek ;
Lee, Jae-Seol ;
Kim, Dae-Guen ;
Yoshimi, Kyosuke ;
Maruyama, Kouichi .
JOURNAL OF ALLOYS AND COMPOUNDS, 2009, 473 (1-2) :446-452
[6]   Structure and transition of eutectic (Mg,Al)2Ca Laves phase in a die-cast Mg-Al-Ca base alloy [J].
Suzuki, A ;
Saddock, ND ;
Jones, JW ;
Pollock, TM .
SCRIPTA MATERIALIA, 2004, 51 (10) :1005-1010
[7]   Mechanical properties of Mg-Al-Ca alloy processed by hot extrusion [J].
Watanabe, Hiroyuki ;
Yamaguchi, Masahiro ;
Takigawa, Yorinobu ;
Higashi, Kenji .
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2007, 454 :384-388
[8]   The effect of precipitates on the mechanical properties of ZK60-Y alloy [J].
Xu, DK ;
Liu, L ;
Xu, YB ;
Han, EH .
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2006, 420 (1-2) :322-332
1