Role of RE in the deformation and recrystallization of Mg alloy and a new alloy design concept for Mg-RE alloys

被引:233
作者
Jung, In-Ho [1 ]
Sanjari, Mehdi [1 ]
Kim, Junghwan [1 ]
Yue, Stephen [1 ]
机构
[1] McGill Univ, Dept Min & Mat Engn, Montreal, PQ H3A 0C5, Canada
关键词
Mg alloy; Rare earth elements; Texture weakening; Stacking fault energy; Solute drag; ANISOTROPIC DIFFUSION BEHAVIOR; EARTH TEXTURE COMPONENT; DYNAMIC RECRYSTALLIZATION; ROOM-TEMPERATURE; MAGNESIUM ALLOYS; STATIC RECRYSTALLIZATION; MECHANICAL-BEHAVIOR; STRETCH FORMABILITY; ROLLED MG-3AL-1ZN; CA ADDITION;
D O I
10.1016/j.scriptamat.2014.12.010
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
The roles of rare earth elements on the texture weakening of Mg alloy are critically assessed. Two main roles are (i) the changing of stacking fault energy of Mg and (ii) the enhancement of solute drag of grain boundaries and dislocations. Based on this analysis, alloy design concepts and optimum process conditions for Mg alloys are suggested to increase the formability of Mg alloys. (C) 2014 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:1 / 6
页数:6
相关论文
共 64 条
  • [1] Application of texture simulation to understanding mechanical behavior of Mg and solid solution alloys containing Li or Y
    Agnew, SR
    Yoo, MH
    Tomé, CN
    [J]. ACTA MATERIALIA, 2001, 49 (20) : 4277 - 4289
  • [2] SOLID SOLUTION STRENGTHENING OF MAGNESIUM SINGLE CRYSTALS .2. EFFECT OF SOLUTE ON EASE OF PRISMATIC SLIP
    AKHTAR, A
    TEGHTSOONIAN, E
    [J]. ACTA METALLURGICA, 1969, 17 (11): : 1351 - +
  • [3] Room temperature formability of a magnesium AZ31 alloy: Examining the role of texture on the deformation mechanisms
    Al-Samman, T.
    Gottstein, G.
    [J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2008, 488 (1-2): : 406 - 414
  • [4] Dynamic recrystallization during high temperature deformation of magnesium
    Al-Samman, T.
    Gottstein, G.
    [J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2008, 490 (1-2): : 411 - 420
  • [5] Sheet texture modification in magnesium-based alloys by selective rare earth alloying
    Al-Samman, T.
    Li, X.
    [J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2011, 528 (10-11): : 3809 - 3822
  • [6] Avedesian MichaelM., 1999, ASM specialty handbook: magnesium and magnesium alloys, V274
  • [7] Effect of Ca Addition on Microstructure of Twin-Roll Cast AZ31 Mg Alloy
    Bae, Geun Tae
    Bae, J. H.
    Kang, Dae Hoon
    Lee, Hakcheoll
    Kim, Nack J.
    [J]. METALS AND MATERIALS INTERNATIONAL, 2009, 15 (01) : 1 - 5
  • [8] TENSILE-COMPRESSIVE YIELD ASYMMETRIES IN HIGH-STRENGTH WROUGHT MAGNESIUM ALLOYS
    BALL, EA
    PRANGNELL, PB
    [J]. SCRIPTA METALLURGICA ET MATERIALIA, 1994, 31 (02): : 111 - 116
  • [9] Twinning and the ductility of magnesium alloys Part II. "Contraction" twins
    Barnett, M. R.
    [J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2007, 464 (1-2): : 8 - 16
  • [10] Deformation microstructures and textures of some cold rolled Mg alloys
    Barnett, MR
    Nave, MD
    Bettles, CJ
    [J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2004, 386 (1-2): : 205 - 211