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Effect of Activating Flux on Gas Tungsten Arc Welding and Plasma Arc Welding for Stainless Steel

Author(s):
Mangesh S. Kulkarni , Government College of Engineering,Aurangabad; Prof. K. S. Wasankar, Government College of Engineering,Aurangabad

Keywords:
Metals, Welding, Microstructure, Solidification, Optical Microscopy

Abstract

A systematic study of the effects of activating flux in the weld morphology and microstructure of two different arc welding processes, namely, Gas Tungsten Arc Welding (GTAW) and Plasma Arc Welding (PAW), was carried out. The results showed that the activating fluxes affected the penetration capability of arc welding on stainless steel. An increase in energy density resulting from the arc constriction and anode spot reduction enhanced the penetration capability. Changes in the cooling rate, due to different heat source characteristics, influenced the microstructure from the fusion line to the centre of the weld.

Other Details
Paper ID: IJSRDV5I20956
Published in: Volume : 5, Issue : 2
Publication Date: 01/05/2017
Page(s): 2188-2190

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