Abstract
Flux-cored arc welding (FCAW) is an arc welding method that employs a flux-filled tubular electrode. Flux-cored arc welding uses the heat generated by an arc formed between a continuous tubular filler metal and the work piece. The molten weld pool is protected from contamination by the atmosphere by flux in the filler metal core. The benefits of FCA weld are; higher quality and consistency, with high deposition rates. The base metal used in this work is stainless-steel grade 301 and the wire used is stainless steel 308L. The research aims to see how input welding parameters like voltage, welding speed, and wire feed rate affect angular distortion, a response parameter. Between the input parameters and the response parameters, a mathematical relationship is established. The statistical approach of the design of experiments is used to investigate in an organized manner. The mathematical model was built using the central composite face-centered (FCC) approach. ANOVA analysis was used to test the model's adequacy, and the results were graphically analysed using response surface methodology (RSM). The input parameters were optimized to provide the least amount of angular distortion possible.
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