DataVXDigest Journal of Nanomaterials and BiostructuresPaper
journal article·2021-01Open access

INFLUENCE OF STEP-AGING ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF Al-Zn-Mg TERNARY ALLOYS

Department of Physics, GC University Lahore, Lahore 54000, Pakistan, M. N. RIZWAN, A. R. MAKHDOOM, Department of Natural Sciences and Humanities, Rachna College of Engineering and Technology, UET, Lahore, H. FAROOQ, Department of Electrical Engineering, Rachna College of Engineering and Technology, UET, Lahore, M. A. KALYAR, Department of Physics, University of Sargodha, Sargodha 40100, Pakistan, I. M. GHAURI, Department of Physics, GC University Lahore, Lahore 54000, Pakistan

Digest Journal of Nanomaterials and Biostructures· Volume 16· Issue 1
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Source abstract

Abstract

Al-Zn-Mg alloys were prepared using RF induction furnace. Two,out of 10 samples were left un-annealed and remaining were given step-aging in temperature range 125-180oC for 2-4 hours. Characterizations of thesamples were carried out by using optical microscopy, creep and hardness tests. The results of optical micrographs reveal an equiaxed grain structure formed in all step-aged specimens that becomes more obvious with increase of aging time and temperature. The creep deformation rate was found to be minimum in two step aged specimens, whereas, hardness of the two-step aged samples is maximum as compared to the others samples.
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Research context

Metals & alloys

OpenAlex topics: Aluminum Alloy Microstructure Properties · Aluminum Alloys Composites Properties · Metal Forming Simulation Techniques

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