APPLICATION OF EXPERT TOOL IN OPTIMIZING AND PREDICTING MILD STEEL WELD REINFORCEMENT FORM FACTOR (WRFF) IN TIG WELDING PROCESS
Journal Title: Engineering and Technology Journal - Year 2019, Vol 4, Issue 10
Abstract
Welding is a process designed to permanently join pieces of materials together to produce weldments which significantly enhance the strength, reliability, and integrity of structural materials. It is imperative to know that the weld reinforcement form factor (WRFF) plays a key role in enhancing these strength properties of the fusion zone if the input parameters are optimized. So in this research work, the process parameters to be optimized are current, voltage, welding speed and gas flow rate. The research study focused on weld reinforcement form factor using response surface methodology. Mild steel plate measuring 60x40x10mm was used for the experiment. And from this study a Mathematical model for weld reinforcement form factor applicable to TIG four input process parameters (voltage, current, welding speed and gas flow rate) was developed. The results obtained showed that optimum WRFF was achieved when a current of 140.01 Amp, voltage of 20.00 volt, welding speed of 150.00mm/min, and gas flow rate of 12.01 L/min was used during welding operation of steel plate of 10mm thick, which produced a Weld reinforcement form factor (WRFF) of 2.33611mm. This solution was selected at a desirability value of 97.30%
Authors and Affiliations
Nweze S
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- EP ID EP705202
- DOI 10.33826/etj/v4i10.01
- Views 73
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