Influence of SiC particles on compressive deformation of magnesium matrix composites

被引：28
|
作者：
Garces, G. [1 ]
Onorbe, E. [1 ]
Perez, P. [1 ]
Klaus, M. [2 ]
Genzel, C. [2 ]
Adeva, P. [1 ]
机构：
[1] Natl Ctr Met Res CENIM CSIC, Dept Met Phys, Madrid 28040, Spain
[2] Helmholtz Zentrum Berlin, D-14109 Berlin, Germany
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2012年 / 533卷
关键词：
Magnesium alloys; Metal matrix composites; Internal elastic strains; Synchrotron diffraction; Twinning; NEUTRON-DIFFRACTION; PLASTIC-DEFORMATION; STRESS-RELAXATION; INTERNAL STRAIN; ALLOY AZ31; EVOLUTION; BEHAVIOR; TEXTURE; ZK60A; MG;
D O I：
10.1016/j.msea.2011.10.103
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The influence of the presence of ceramic particles on the twinning mechanism in magnesium matrix composites was measured using synchrotron radiation diffraction during in situ compressive tests. As with the unreinforced alloys, the plasticity of extruded composites is controlled by the < 1 0 (1) over bar (1) over bar > {1 0 (1) over bar 2) tensile twining process. However, the volume fraction of twins is rapidly saturated as the volume fraction of reinforcement increases. SiC particles balance the tensile stress generated by twins during plastic deformation. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：119 / 123
页数：5
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