Volume 4, Issue 3, September 2020, Page: 43-47
Investigating the Effects of Welding Processes on Tensile Stress and Strain Properties of Welded Mild Steel Plates Using Statistical Analysis
Oladebeye Dayo Hephzibah, Department of Mechanical Engineering Technology, Federal Polytechnic, Ado-Ekiti, Nigeria
Adejuyigbe Samuel Babatope, Mechatronics Engineering Department, Federal University, Oye-Ekiti, Nigeria
Olorunnishola Akim Abayomi Gideon, Department of Mechanical Engineering Technology, Federal Polytechnic, Ado-Ekiti, Nigeria
Received: Jun. 26, 2020;       Accepted: Jul. 13, 2020;       Published: Jul. 28, 2020
DOI: 10.11648/j.ajmme.20200403.11      View  23      Downloads  13
Abstract
As test samples, mild steel plates with thicknesses of 0.5 mm, 0.6 mm, 0.7 mm, 0.8 mm, 0.9 mm, and 1.0 mm were made. After welding these test samples underwent Tensile Stress and strain tests with the Built Welding Robot and Manual Electric Arc Welding Machine. Both data collected from tensile stress and tensile stress were analyzed and the data produced from Electric Arc welding operations, the Robot welding operations and un-welded plates (control) were compared with one another. The analyses of the data obtained from the developed welding robot, manual electric arc welding and un-welded (control) mild steel plates of different thicknesses were carried out for tensile stress and strain. The descriptive statistics, ANOVA analysis, test of homogeneity of Variances and Post Hoc test (Least Significant Differences) were the statistical tools deployed using Statistical Package of Social Sciences (SPSS version 2016). The results showed that the robot welding sample produced gave the lowest tensile stress while the un-welded samples (CONTROL) gave the highest. The un-welded (CONTROL) samples gave the highest tensile strain values while the lowest was given by the developed robot welding samples. Finally, it was evident from the analyses results that the welding processes have significant impact on the tensile stress and strain properties of the welded mild steel plates and that good welding quality can be achieved more with the developed welding robot.
Keywords
Welding Processes, Tensile Stress, Tensile Strain, Mild Steel, Statistical Analysis
To cite this article
Oladebeye Dayo Hephzibah, Adejuyigbe Samuel Babatope, Olorunnishola Akim Abayomi Gideon, Investigating the Effects of Welding Processes on Tensile Stress and Strain Properties of Welded Mild Steel Plates Using Statistical Analysis, American Journal of Mechanical and Materials Engineering. Vol. 4, No. 3, 2020, pp. 43-47. doi: 10.11648/j.ajmme.20200403.11
Copyright
Copyright © 2020 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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