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Journal of Emerging Trends in Engineering and Applied Sciences (JETEAS)

ISSN:2141-7016

Article Title: Effects of Microstructures and Process Variables on the Mechanical Properties of Rolled Ribbed Medium Carbon Steel
by Oyetunji A

Abstract:
Various factors have been responsible for differences in the mechanical properties of rolled ribbed medium carbon steel and these factors have not been studied extensively and ought not to be judging from the importance of the rolled ribbed medium carbon steel in building construction. The study investigated the effects of the section sizes which ranged from 12 mm to 25 mm diameters, chemical composition of the steel as process variables and resulting microstructures on the mechanical properties of the rolled ribbed medium carbon steel were carried out. Here the as received rolled ribbed medium carbon steel were analysed to determine the chemical composition using spectrometric analyser and they were then machined using lathe machine to tensile, impact and hardness tests and micro structural samples. These samples were used to determine the tensile, hardness, impact properties of rolled ribbed medium carbon steel. The micro structural analysed were also studied. It was found from the studies that the percentage carbon content has great influence on the mechanical properties of the materials as they all increased with increase in carbon content except impact strength which decreased with increase in carbon content. The diameters of the rods also have great effect on the mechanical properties of the materials since the rate of cooling is a function of size of the rod. The study is relevant to steel industries that produced rolled ribbed medium carbon steel and structural engineers that made use of this steel in building construction.
Keywords: mechanical properties; diameter, rolled-ribbed steel; microstructure; and medium carbon steel
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ISSN: 2141-7016

Editor in Chief.

Prof. Gui Yun Tian
Professor of Sensor Technologies
School of Electrical, Electronic and Computer Engineering
University of Newcastle
United Kingdom

 

 

Copyright © Journal of Emerging Trends in Engineering and Applied Sciences 2010