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Jain, Sanjay
- Influence of Pulse Parameters on TIG Arc Efficiency
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Authors
Sanjay Jain
1,
S. R. Gupta
1
Affiliations
1 Welding Research Laboratory, Dept, of Mechanical and Industrial Engg., University of Roorkee, Roorkee - 247667, IN
1 Welding Research Laboratory, Dept, of Mechanical and Industrial Engg., University of Roorkee, Roorkee - 247667, IN
Source
Indian Welding Journal, Vol 30, No 4 (1997), Pagination: 41-45Abstract
Experimental investigations have been carried out to study the influence of various pulse parameters on TiG arc efficiency. L-shaped water cooled copper block as work piece and calorimetric set-up lor collecting the heat through the flowing water from the copper block were used, for determination of arc efficiency.
From the investigations it has been revealed that different parameters such as mean current, pulse current, background current, pulse frequency, arc gap, torch angle and gas flow rale influence arc efficiency. Except for gas flow rate, decreasing trends in arc efficiency have been generally observed with the increase of pulse / welding parameters.