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Effects of Different Welding Parameters on Weld Joint Penetration in TIG Welded Stainless Steel Plate

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Document pages: 5 pages

Abstract: The effects of process parameters of TIG welding on weld depth of penetration of welded joints of stainless steel plate of SS304 grade has been studied. The optimum combination of process parameters has been suggested to achieve maximum depth of penetration. Design of experiment (DOE) was used to plan and design the experiment to study the effects of parameter on these stresses. The input parameters considered in present investigation were welding current, gas flow rate, root face and welding speed. L9 Orthogonal Array (OA) technique was used to formulate the experimental layout. It was concluded that the maximum depth of penetration (DOP) was found at optimal setting of parameters of welding current (110 A), gas flow rate (10 LPM), root face (1.5 mm) and welding speed (31.578 mm min.) and the optimum response value is 5.6961 mm.

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