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Development of Mathematical Models to Analyse and Predict Weld Bead Geometry and Shape Relationships in FCA Welding of C-45 Mild Steel
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Welding plays an extremely important role in fabrication industry because of its adaptability to automation, relative simplicity, strong and reliable joints and ability to weld a large variety of materials making it widely acceptable in construction, transport, automotive and pressure vessel industry. A wide variety of arc welding processes are available to cater to the needs of ever increasing industrial demands. GMAW is one such arc welding process which has proved its significance in industry owing to its versatility and quality of joints. The physical dimensions and shape of a weld joint not only decides its mechanical strength but also affects its performance during service. Sufficient knowledge of various bead parameters such as penetration, reinforcement, width, etc. becomes imperative along with their dependence on various welding parameters constituting voltage, feed rate of wire and speed of welding. In the present research work, an attempt was made to form a mathematical model for bead geometry prediction at given values of weld input parameters. Statistical techniques have been applied for the present investigation work.
Keywords
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