DSC and HRTEM investigation of the precipitates in Al-1.0%Mg2Si-0.5%Ag alloy

被引：29
|
作者：
Gaber, A
Matsuda, K
Ali, AM
Zou, Y
Ikeno, S
机构：
[1] Toyama Univ, Venture Business Lab, Toyama 9308555, Japan
[2] Toyama Univ, Fac Engn, Toyama 9308555, Japan
来源：
MATERIALS SCIENCE AND TECHNOLOGY | 2004年 / 20卷 / 12期
关键词：
aluminium alloys; Al-Mg-Si; precipitation; silver alloying;
D O I：
10.1179/026708304X6086
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The understanding and control of nanoscale precipitation in an Al-1.0 wt-%Mg2Si-0.5wt-% Ag alloy during artificial aging is critical for achieving optimum mechanical properties. To achieve this objective, both differential scanning calorimetry (DSC) and high resolution transmission electron microscopy (HRTEM) have been utilised. The non-isothermal DSC thermograms exhibited eight reaction peaks; six are exothermic (precipitation) and two are endothermic (dissolution) reactions. The activation energies associated with the individual precipitates are determined. With the aid of HRTEM, the evolved precipitates have been characterised.
引用
收藏
页码：1627 / 1631
页数：5
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