A systematic overview on activated-Tungsten inert gas welding

Vysakh, K B; Mathiazhagan, A.; S, Krishna Prasad

doi:10.1080/09507116.2022.2138795

Cited by 2 publications

(1 citation statement)

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“…Tungsten inert gas (TIG), metal inert gas (MIG), friction stir welding (FSW), laser beam welding and electron beam (EB) welding techniques are mostly preferred for the joining of aluminium alloys [8][9][10][11][12][13]. The TIG welding process suffers from a lack of penetration in a single pass, leading to poor productivity [14][15][16][17][18][19]. Moreover, rapid oxide formation and susceptibility to issues such as porosity and cracking present challenges for conventional fusion welding techniques, particularly for light materials such as aluminium and magnesium alloys.…”

Section: Introductionmentioning

confidence: 99%

Improving the Formation and Quality of Weld Joints on Aluminium Alloys during TIG Welding Using Flux Backing Tape

Mannapovich,

Touileb

2024

Metals

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This work aimed to compare the quality and properties of the welded joints of AMg6 aluminium alloy produced via conventional TIG welding with the properties of those produced with flux backing tape. This study focussed on the relative length of oxide inclusions (Δoi) and the amount of the excess root penetration (hroot) of the AMg6 alloy weld beads. The results show the influence of the thickness of the flux layer of the backing tape on the formation and quality on the AMg6 alloy welds, along with the effect of flux backing tape and edge preparation on the mechanical properties of the 6 and 8 mm thick welded plates. In accordance with the results obtained, the joints produced by means of TIG welding with flux back backing tape and without edge preparation have higher mechanical properties. Moreover, the TIG welding of AMg6 alloy using flux backing tape reduces the total welding time by 55%, reduces filler wire consumption by 35%, reduces shielding gas consumption by 43% and electricity consumption by 60% per 1 linear meter of the weld line.

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