COMPARATIVE STUDY OF THE PHENOMENA OF PRECIPITATION IN Al-Zn-Mg ALLOY BY THE DIFFERENTIAL SCANNING CALORIMETRIC AND THE DILATOMETRY AND INTERPRETATION OF DILATOMETRIC EFFECTS

被引：0
|
作者：
Hadjadj, L. [1 ]
Amira, R. [1 ]
Bouchear, M. [1 ]
机构：
[1] Univ Mentouri Constantine, Fac Sci, Lab Transformat Phases, Constantine, Algeria
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2012年 / 26卷 / 19期
关键词：
Precipitation; dilatometry; expansion; contraction; DSC; ATOM-PROBE; EVOLUTION;
D O I：
10.1142/S0217979212500762
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Our aim is to contribute to comprehension of the phenomena of precipitation in the Al-Zn-Mg alloys. For this, we have made a comparative study of the transformations of phases using the differential scanning calorimetric and the dilatometry. This last technique is relatively new in the case of Al-Zn-Mg alloys. It consists of two opposite effects (contraction and expansion) observed on the dilatometric curves. These effects translate two opposite metallurgical phenomena which are generally the precipitation and the dissolution.
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页数：8
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