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Effect of Welding Speed and Current on Dependent Parameters of Electric Arc Welding on Mild Steel (C, Mn, Si) With E7014 Electrode
Welding is practiced in almost all industries. This study is aimed at obtaining a relationship between the values defining input parameters such as welding speed and heat input rate etc. The welding parameters such as the arc current, arc voltage, and welding speed which have the most effect on bead geometry are considered, in this study we have done experimentally to show the optimum value of heat input rate and welding speed, corresponding to which mechanical properties such as tensile strength, hardness and impact strength shows the max. Value within experimental range of input parameter. We used the C 0.30%, Mn 0.7-0.8% and Si 0.2%-0.6%, and at the welding speed taken to 130-198.33 mm/min, then obtain 170-150.44 j/mm ultimate tensile strength, BHN varies 72.3-104.5 and Impact strength 32.26-55.33 joule.
Keywords
Independent Parameters (Welding Speed, Current, Voltage) Dependent Parameter (Tensile Strength, Hardness, Impact Strength).
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