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To Evaluate the Effect of Saw Parameters on Slag Content of Weld Metal


Author : Nayab Singh, Dilbagh Singh, Karun and Sandeep Kumar

Pages : 2206-2212
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Abstract

The operating variables used in the SAW process results in varying heat input in the element. The consequence of this is the deterioration of the chemical constituents of the weld bead. Therefore, the properties of the parent metal cannot adequately match those of the element to ensure good performance in service, especially in low temperature services. The objective of the present work is to evaluate the effect of SAW parameters for hardness and slag contents of weld bead. The response function of the trial conditions would match the constituents of transfer elements with the base metal. The experimentation was done on SS 310 plates of dimensions 110mm x 55mm x8mm. The welding current, voltage and welding speed could be regulated, displayed and preset on the panel of the tractor for the convenience of the operator. The polarity is kept positive. The nozzle distance is kept constant i.e 20 cm. The purposed work is to evaluate the effect of SAW parameters for slag contents of weld bead. In this work the experimentation is done to analyze that which factor is most contributing towards the various element transfers in weld bead. Submerged arc welding is done on SS 310 Plates as work material by using three controllable process parameters using Taguchi technique. Real life application of this study is that, the results and conclusion will be beneficial for providing the optimal combination for slag contents to the operator, so that maximum hardness and slag contents will be transferred to the weld bead according to the need of property of weld bead.

Keywords: SAW, Weld Metal etc.

Article published in International Journal of Current Engineering and Technology, Vol.5, No.3 (June-2015)

 

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