alexa Abstract | EFFECT OF PULSED CURRENT ON WELDING CHARACTERISTICS OF EN19 ALLOY STEEL USING GAS TUNGSTEN ARC WELDING
ISSN ONLINE(2319-8753)PRINT(2347-6710)

International Journal of Innovative Research in Science, Engineering and Technology
Open Access

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Research Article Open Access

Abstract

This paper covers the study of destructive and non-destructive properties of weldments EN19 alloy steel using GTAW with non-pulsed current and pulsed current at different frequencies of 2Hz,4HZ & 6Hz.The radiography, liquid Penetrant test of weldments were evaluated and compared with pulsed and non-pulsed current welding at different frequencies of two different thicknesses of EN19 material (2mm and 3mm ).The aim of this experimental work is to see the effect of pulsed current on the quality of weldments. The experimental results pertaining to different welding parameters for the above material using pulsed and non-pulsed current GTAW are discussed and compared.

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Author(s): A.Raveendra, Dr.B.V.R.Ravi Kumar

Keywords

EN19 alloy steel, Gas Tungsten Arc Welding, Constant Current Welding, Pulsed current welding and Heat Affected Zone, Porosity and surface cracks, Aerospace Engineering,Applied Electronics,Applied Sciences,Biochemistry.

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