Early ageing mechanisms in a high-copper AlCuMg alloy

被引:68
|
作者
Abis, S
Massazza, M
Mengucci, P
Riontino, G
机构
[1] Univ Turin, Dipartimento Chim IFM, I-10125 Turin, Italy
[2] Techma SRL, I-09129 Cagliari, Italy
[3] Univ Ancona, Dept Phys & Mat Engn, I-60131 Ancona, Italy
[4] Univ Turin, Natl Inst Phys Matter, INFM, I-10125 Turin, Italy
关键词
annealing; DSC-TEM; aluminium alloys; phase transformations;
D O I
10.1016/S1359-6462(01)01080-6
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Early stages of transformation of a metastable Al4.4Cu1.7Mg alloy have been studied by DSC, microhardness and TEM, during natural ageing. The progressive disappearance of the first exothermal signal of the as-quenched material, the corresponding initial hardness increase, and TEM/SAD observations, suggest the formation of GP + GPB zones. (C) 2001 Acta Materialia Inc. Published by Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:685 / 691
页数:7
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