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The effect of alternate supply of shielding gases in austenite stainless steel GTA welding

Kang, B,Y., Yarlagadda, Prasad K.D.V., Kang, M.J., Kim, H.J., & Kim, I.S. (2009) The effect of alternate supply of shielding gases in austenite stainless steel GTA welding. Journal of Materials Processing Technology, 209, pp. 4722-4727.

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Abstract

Welding system has now been concentrated on the development of new process to achieve cost savings, higher productivity and better quality in manufacturing industry. Discrete alternate supply of shielding gas is a new technology that alternately supplies the different kinds of shielding gases in weld zone. As the newdevelopedmethods compared to the previous generalwelding with a mixing supply of shielding gas, it cannot only increase thewelding quality, but also reduce the energy by 20% and the emission rate of fume. As a result, under thesamewelding conditions,comparedwith thewelding by supplying pure argon, argon + 67% helium mixture by conventional method and thewelding by supplying alternately pure argon and pure helium by alternate method showed the increased welding speed. Also, the alternate method showed the same welding speed with argon + 67% helium mixture without largely deteriorating of weld penetration. The alternate method with argon and helium compared with the conventional methods of pure argon and argon + 67% helium mixture produced the lowest degree of welding distortion.

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12 citations in Web of Science®

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ID Code: 25881
Item Type: Journal Article
Keywords: Alternate gas supply, weld distortion, welding speed, weld presentation
DOI: 10.1016/j.jmatprotec.2008.11.035
ISSN: 0924-0136
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MANUFACTURING ENGINEERING (091000) > Manufacturing Engineering not elsewhere classified (091099)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Engineering Systems
Copyright Owner: Copyright 2009 Elsevier B.V.
Deposited On: 23 Jun 2009 14:45
Last Modified: 29 Feb 2012 23:54

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