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Microstructure and texture evolution in Mg–Al–Zn–(AgIn) alloy during single and multiple pass warm rolling

Published online by Cambridge University Press:  17 March 2015

Javed Kamran ,
Shamas ud-Din ,
Naeem-ul-Haq Tariq ,
Fahad Ali  and
Hasan Bin Awais
Javed Kamran
Affiliation:
Department of Metallurgy and Materials Engineering, Pakistan Institute of Engineering and Applied Sciences (PIEAS), Nilore, Islamabad, 45650Pakistan
Shamas ud-Din
Affiliation:
Department of Metallurgy and Materials Engineering, Pakistan Institute of Engineering and Applied Sciences (PIEAS), Nilore, Islamabad, 45650Pakistan
Naeem-ul-Haq Tariq*
Affiliation:
Department of Metallurgy and Materials Engineering, Pakistan Institute of Engineering and Applied Sciences (PIEAS), Nilore, Islamabad, 45650Pakistan
Fahad Ali
Affiliation:
Department of Metallurgy and Materials Engineering, Pakistan Institute of Engineering and Applied Sciences (PIEAS), Nilore, Islamabad, 45650Pakistan
Hasan Bin Awais
Affiliation:
Department of Metallurgy and Materials Engineering, Pakistan Institute of Engineering and Applied Sciences (PIEAS), Nilore, Islamabad, 45650Pakistan
*
a)Address all correspondence to this author. e-mail: naeem421@hotmail.com, nht@pieas.edu.pk
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Abstract

The present research is focused on studying the evolution of microstructure and texture of a magnesium based alloy with the target composition Mg–3Al–1Zn–(0.5AgIn). Three samples A, B, and C were warm rolled at 300 °C to a cumulative reduction of 33% in 1, 2, and 8 passes, respectively. The optical microstructures and scanning electron microscopy (SEM) results revealed that sample A possessed more dynamic recrystallization (DRX) as compared to samples B and C. A split of basal pole from normal direction (ND) toward transverse direction (TD) was observed for sample A. However, as the number of passes was increased, the basal pole split was converted into a single peak for samples B and C. The basal intensity of sample C became almost double than that of sample A. It was concluded that a higher reduction per pass resulted in a larger volume fraction of DRXed grains and a weaker basal texture.

Keywords

alloymicrostructuretexture
Type
Articles
Information
Journal of Materials Research , Volume 30 , Issue 7 , 14 April 2015 , pp. 1011 - 1018
Copyright
Copyright © Materials Research Society 2015 

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