alexa Effect of Pulsed Current on TIG Weldments of Aluminium
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International Journal of Innovative Research in Science, Engineering and Technology
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Research Article

Effect of Pulsed Current on TIG Weldments of Aluminium Alloy (5052) and Alloy Steel (EN24)

A.Raveendra1, M.Satish sagar2, Dr.B.V.R.Ravikumar3
  1. Associate Professor, Department of Mechanical Engineering, Mallareddy Engineering College, Secunderabad, India
  2. P.G. Student, Department of Mechanical Engineering, Mallareddy Engineering College, Secunderabad, India
  3. Principal, VITS, Visakhapatnam, Andhra pradesh , India
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In this experimental work destructive and non-destructive tests have been carried out on an aluminium alloy(5052) and alloy steel of EN24 using GTAW with pulsed and non-pulsed current at different frequencies 3Hz 5Hz,&7Hz.The Liquid Penetrant, radiography and tensile strength of weldments were evaluated and compared with pulsed and non-pulsed current welding at different frequencies of two materials (5052 aluminium alloy of 2.5mm thick and alloy steel EN24 of 4.5 mm thick).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 pulsed current welding for the above materials using pulsed and non-pulsed current GTAW are discussed and compared


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