Characterization of Mg-Al Sheet Clad Materials Fabricated by Hot Rolling

Abstract:

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AZ31 Mg / 5083 Al clad sheet was fabricated by the hot rolling method and its mechanical properties were investigated in this study. The tensile strength and yield strength of Mg- Al clad samples were slightly higher than that of AZ31 Mg sample, resulting in high strength 5083 Al alloy. Also, in the case of the AZ31 Mg sample, tensile strength indicated different values to the rolling directions. The thickness of interface layers between magnesium and aluminum materials increased with increasing rolling temperature. The thickness of interface layer was about 1.2 μm and 1.6 μm, respectively. The difference of thickness on the interface layer with variation of rolling temperature was attributed to promote the diffusion between magnesium and aluminum materials. The Vickers hardness of Mg-Al interface layer was around 125 Hv. The interface layer composed of hard inter-metallic phases which may act a increment of Vickers hardness depending upon its thickness.

Info:

Periodical:

Advanced Materials Research (Volumes 26-28)

Edited by:

Young Won Chang, Nack J. Kim and Chong Soo Lee

Pages:

409-412

DOI:

10.4028/www.scientific.net/AMR.26-28.409

Citation:

J. S. Lee et al., "Characterization of Mg-Al Sheet Clad Materials Fabricated by Hot Rolling", Advanced Materials Research, Vols. 26-28, pp. 409-412, 2007

Online since:

October 2007

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Price:

$35.00

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