Abstract
AbstractThe SAW is a widely used process in industries where high heat input is required as it provides a high deposition rate, deeper penetration, and smooth finishing. In this process, an electric arc is generated between the wire electrode tip and the workpiece surface. This welded joint is completely covered by the fusible flux to protect it from environmental contaminants. The composition of flux varies with the type of workpiece material. The welded joint properties can be recognized by the weld bead characteristics like penetration depth, weld bead width, percentage dilution, reinforcement height, heat-affected zone, strength, hardness, etc. The weld bead characteristics depend on several welding input parameters like welding voltage, current, WFR, welding speed, contact tip-to-work distance (CTWD), electrode polarity, diameter of the electrode, etc. This article covers the comprehensive report of research conducted in the last two decades in the field of fusion welding and more emphasis on submerged arc welding.KeywordsWeld bead geometryMicrostructureMechanical propertiesSAWCorrosion
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