Evaluation of gas metal arc welding with alterating shielding gases for use on AA6082T6

Stuart Campbell, Alexander Galloway, Norman McPherson, Andrew Gillies

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Studies have been carried out to determine the effects of implementing alternating shielding gases for 6082T6 aluminium alloy welding. Alternating shielding gases is a newly developed method of supplying shielding gases to the weld area to enhance the efficiency of the standard Gas Metal Arc Welding (GMAW) process. This method involves discretely supplying two different shielding gases to the weld zone at a pre-determined frequency which creates a dynamic action in the weld pool. Several benefits have been identified in relation to supplying shielding gases in this manner including increased travel speed, reduced distortion, reduced porosity and, in the case of specific alternating frequencies, marginal improvements in mechanical properties. All in all, this method of shielding gas delivery presents attractive benefits to the manufacturing community, namely the increased productivity and quality in
addition to a reduction in the amount of post-weld straightening required.
However, the literature available on this advanced joining process is very scant,
especially so for aluminium alloys. For this reason, an evaluation has been carried out on the application of alternating shielding gases for the GMAW process on 6082T6 aluminium alloys.
LanguageEnglish
Pages992-1000
JournalProceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture
Volume226
Early online date26 Mar 2012
DOIs
Publication statusPublished - Jun 2012

Fingerprint

Gas metal arc welding
Shielding
Gases
Welds
Aluminum alloys
Straightening
Joining
Welding
Porosity
Productivity
Mechanical properties

Keywords

  • mechanical engineering
  • shielding gases
  • aluminium alloys

Cite this

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Evaluation of gas metal arc welding with alterating shielding gases for use on AA6082T6. / Campbell, Stuart; Galloway, Alexander; McPherson, Norman; Gillies, Andrew.

In: Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, Vol. 226, 06.2012, p. 992-1000.

Research output: Contribution to journalArticle

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