Optimisation of Weld Bead Parameters of Nickel Based Overlay Deposited By Plasma Transferred Arc Surfacing
Journal Title: International Journal of Modern Engineering Research (IJMER) - Year 2013, Vol 3, Issue 3
Abstract
Abstract: Plasma Transferred Arc surfacing is a kind of Plasma ransferred Arc Welding process..Plasma Transferred Arcsurfacing (PTA) sincreasingly used in applications where enhancementof wear, corrosion and heat resistance of materialssurface is required. The shape of weld bead geometry affected by the PTA Welding process parameters is an indication of thequality of the weld. In this paper the analysis and optimization of weld bead parameters, during deposition of a Nickel based alloy Colmonoy on stainless steel plate by plasma transferred arc surfacing, are made and values of process parameters to produce optimal weld bead geometry are estimated. The experiments are conducted based on a five input process parameters and mathematical models are developed using multiple regression technique. The direct effects of input process parameters on weld bead geometry are discussed using graphs. Finally, optimization of the weld bead parameters, that is minimization of penetration and maximization of reinforcement and weld bead width , are made with a view to economize the input process parameters to achieve the desirable welding joint.
Authors and Affiliations
Er. Bhaskarananda Dasgupta,
Keywords
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