Effects of deformation ratio on the mechanical properties and microstructures changes in an Al-Mg-Si alloy

被引：5
|
作者：
Farh, Hichem [1 ]
Guemini, Rebai [1 ]
Serradj, Fares [2 ]
Djemmal, Karim [1 ]
机构：
[1] Oum El Bouaghi Univ Algeria, Dept Phys, Oum El Bouaghi, Algeria
[2] Mentouri Univ Constantine Algeria, Lab Mat Thermodynam Properties & Surface Treatmen, Constantine, Argentina
来源：
TURKISH JOURNAL OF PHYSICS | 2010年 / 34卷 / 02期
关键词：
Al-mg-si alloys; deformation ratio; artificial ageing; precipitation;
D O I：
10.3906/fiz-1004-27
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
An investigation has been done to study the effect of deformation ratio and two-step ageing treatment on the microstructure and the mechanical properties in an Al-Mg-Si aluminum alloy. Transmission electron microscopy is used in order to follow the distribution and the morphology of the hardening precipitates. The hardness of the alloy increases with the increasing deformation ratio. The maximum of hardness increases and is shifted to low time with an increase of the deformation ratio. The density of precipitates is more increased and the precipitates become more inhomogeneously distributed when the deformation combines with two-step ageing treatments.
引用
收藏
页码：117 / 122
页数：6
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