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International Journal of Innovative Research and Development, Vol 9, No 7 (2020), Pagination:
Abstract
The weldability, strength and microstructural configuration of mild steel welds is determined by the carbon content composition of the weldment. In this study ,the effects of carbon content on the hardness of the heat affected zone of mild steel welds has been investigated. A gas tungsten arc welding process was employed to weld the joints of the mild steel samples, thereafter data on carbon content and hardness was recorded. A data compatibility and suitability test criteria was done using the sequential sum of square and the analysis of variance (ANOVA). This rest indicated that welding has the most significant effect on the carbon content and hardness, combined interactive effects between the target response, current, voltage and gas flow rate.
Keywords
Carbon content, hardenability, mild Steel, heat affected zone, Tungsten Inert Gas, Welding
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