Welding is a method of joining similar and dissimilar metals through the use of coalescence. GMAW is a semi-mechanized, fully-mechanized, or automatic process that is widely used in fabrication. GMAW is expected to evolve further to allow for better arc control, bead contour control, deposition control, and higher productivity. The goal of this study is to enhance welding process variables for dissimilar steel metal joints made of duplex stainless steel (DSS) to ASTM/UNS S32205 and erosional steel CORTEN-A to ASTM A242. Such a dissimilar metal joint finds use in the transportation sector, particularly in the construction of rail cars. The square butt joint between two 2 mm-thick sheets was investigated using the gas metal arc welding (GMAW) process with CO2 as the shielding gas and flux-cored wire of grade 309L as the filler material. The L9 Taguchi array was used to optimize the tensile strength of the resulting weld joint, which was the desired quality characteristic. GMAW process parameters such as voltage, wire feed rate, and welding speed are optimized at three levels. Using ANOVA, the effects of each factor have been studied. It was found that the ideal set of parameters exists and that the voltage is the most crucial factor. A confirmation test was performed to validate the results, and it was accompanied by a figure and tables.
| Published in | American Journal of Mechanical and Industrial Engineering (Volume 8, Issue 1) |
| DOI | 10.11648/j.ajmie.20230801.11 |
| Page(s) | 1-6 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2024. Published by Science Publishing Group |
CORTEN Steel, Dissimilar Welding, Duplex Stainless Steel, GMAW Process, Optimization
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APA Style
Fasil Kebede Tesfaye. (2023). Parameter Optimization of Gas Metal Arc Welding Process for Welding Dissimilar Steels. American Journal of Mechanical and Industrial Engineering, 8(1), 1-6. https://doi.org/10.11648/j.ajmie.20230801.11
ACS Style
Fasil Kebede Tesfaye. Parameter Optimization of Gas Metal Arc Welding Process for Welding Dissimilar Steels. Am. J. Mech. Ind. Eng. 2023, 8(1), 1-6. doi: 10.11648/j.ajmie.20230801.11
AMA Style
Fasil Kebede Tesfaye. Parameter Optimization of Gas Metal Arc Welding Process for Welding Dissimilar Steels. Am J Mech Ind Eng. 2023;8(1):1-6. doi: 10.11648/j.ajmie.20230801.11
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Download@article{10.11648/j.ajmie.20230801.11,
author = {Fasil Kebede Tesfaye},
title = {Parameter Optimization of Gas Metal Arc Welding Process for Welding Dissimilar Steels},
journal = {American Journal of Mechanical and Industrial Engineering},
volume = {8},
number = {1},
pages = {1-6},
doi = {10.11648/j.ajmie.20230801.11},
url = {https://doi.org/10.11648/j.ajmie.20230801.11},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajmie.20230801.11},
abstract = {Welding is a method of joining similar and dissimilar metals through the use of coalescence. GMAW is a semi-mechanized, fully-mechanized, or automatic process that is widely used in fabrication. GMAW is expected to evolve further to allow for better arc control, bead contour control, deposition control, and higher productivity. The goal of this study is to enhance welding process variables for dissimilar steel metal joints made of duplex stainless steel (DSS) to ASTM/UNS S32205 and erosional steel CORTEN-A to ASTM A242. Such a dissimilar metal joint finds use in the transportation sector, particularly in the construction of rail cars. The square butt joint between two 2 mm-thick sheets was investigated using the gas metal arc welding (GMAW) process with CO2 as the shielding gas and flux-cored wire of grade 309L as the filler material. The L9 Taguchi array was used to optimize the tensile strength of the resulting weld joint, which was the desired quality characteristic. GMAW process parameters such as voltage, wire feed rate, and welding speed are optimized at three levels. Using ANOVA, the effects of each factor have been studied. It was found that the ideal set of parameters exists and that the voltage is the most crucial factor. A confirmation test was performed to validate the results, and it was accompanied by a figure and tables.},
year = {2023}
}
TY - JOUR T1 - Parameter Optimization of Gas Metal Arc Welding Process for Welding Dissimilar Steels AU - Fasil Kebede Tesfaye Y1 - 2023/01/31 PY - 2023 N1 - https://doi.org/10.11648/j.ajmie.20230801.11 DO - 10.11648/j.ajmie.20230801.11 T2 - American Journal of Mechanical and Industrial Engineering JF - American Journal of Mechanical and Industrial Engineering JO - American Journal of Mechanical and Industrial Engineering SP - 1 EP - 6 PB - Science Publishing Group SN - 2575-6060 UR - https://doi.org/10.11648/j.ajmie.20230801.11 AB - Welding is a method of joining similar and dissimilar metals through the use of coalescence. GMAW is a semi-mechanized, fully-mechanized, or automatic process that is widely used in fabrication. GMAW is expected to evolve further to allow for better arc control, bead contour control, deposition control, and higher productivity. The goal of this study is to enhance welding process variables for dissimilar steel metal joints made of duplex stainless steel (DSS) to ASTM/UNS S32205 and erosional steel CORTEN-A to ASTM A242. Such a dissimilar metal joint finds use in the transportation sector, particularly in the construction of rail cars. The square butt joint between two 2 mm-thick sheets was investigated using the gas metal arc welding (GMAW) process with CO2 as the shielding gas and flux-cored wire of grade 309L as the filler material. The L9 Taguchi array was used to optimize the tensile strength of the resulting weld joint, which was the desired quality characteristic. GMAW process parameters such as voltage, wire feed rate, and welding speed are optimized at three levels. Using ANOVA, the effects of each factor have been studied. It was found that the ideal set of parameters exists and that the voltage is the most crucial factor. A confirmation test was performed to validate the results, and it was accompanied by a figure and tables. VL - 8 IS - 1 ER -
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