Spot Welding Parameters Effect on Surface Corrosion Behavior of Carbon Steel Sheet | ||
| Egyptian Journal of Chemistry | ||
| Article 50, Volume 65, Issue 10, October 2022, Pages 531-535 PDF (539.46 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/ejchem.2022.117260.5291 | ||
| Authors | ||
| Hadeel A. Abdulghani; Lubna Ghalib* ; Baydaa Jaber Nabhan | ||
| Materials Engineering Department, Mustansiriyah University, Baghdad-Iraq | ||
| Abstract | ||
| The current article discusses the corrosion behavior of carbon steel SAE1006 with a thickness of 1 mm that was welded by resistance spot welding under various welding conditions. Welding current and time have been adjusted, whereas other welding characteristics have remained constant. The welding process was carried out with a welding current of 7, 7.5, and 8.2 kA and a welding time of 15, 25, and 35 cycles. Following the welding step, every joint was tested for corrosion in a 1 M H2SO4 solution using three-electrode polarization resistance methods. The outcome reveals that as the welding current and welding time raised, the corrosion resistance reduced because the welding heat input to the weld nugget zone decreased. As the microstructure of the weld nugget zone altered, the welding heat input was proven to have a more significant influence on the corrosion rate. | ||
| Keywords | ||
| Carbon steel; spot welding parameters; corrosion behavior; polarization curves | ||
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