alexa Dilatometric Study of Two based Aluminium Sheets
ISSN: 2169-0022

Journal of Material Sciences & Engineering
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Research Article

Dilatometric Study of Two based Aluminium Sheets

Saadallah S1*, Benaissa A2, Boubertakh A1 and Hamamda S1

1Laboratoire TTSM, Département de Physique, Université Constantine1, Algérie

2Université M’Hamed Bouguerra, Université Boumerdes, Algérie

*Corresponding Author:
Saadallah S
Laboratoire TTSM
Département de Physique
Université Constantine1
Algérie
Tel/Fax: +21331811173
E-mail: [email protected]

Received Date: October 16, 2014; Accepted Date: January 22, 2015; Published Date: January 30, 2015

Citation: Saadallah S, Benaissa A, Boubertakh A, Hamamda S (2015) Dilatometric Study of Two based Aluminium Sheets. J Material Sci Eng 4:150. doi: 10.4172/2169-0022.1000150

Copyright: ©2015 Saadallah S, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

The aim of the present work is dilatometric study, within the range from room temperature to 550°C, of two aluminum based sheets containing some alloying elements in different proportions. The level of the Mn concentration in sheet 1 is higher than that in the sheet 2. But, the Fe concentration in the latter sheet is important compared to that of former one. The different proportions of alloying elements could be the origin of the remarkable difference in the thermal expansion behavior of the two studied sheets. It is important to note that both sheets are anisotropic. The thermal expansion coefficient measured along the perpendicular direction to the rolling plane of the sheet 1 containing a considerable amount of Mn, as a function of temperature, is 3.5 times less than that of the sheet 2 containing a considerable amount of Fe. The observed weak thermal expansion coefficient in the case of the sheet 1 is explained by the strengthening of the interatomic bonds and the interaction forces. The use of complementary techniques of investigations such as Transmission electron Microscopy (TEM), scanning electron microscopy (SEM) and energy dispersive (EDS) chemical analysis reveal the presence of thermally stable particles, especially, in sheet 1.

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