Influence of Shielding Gas Composition on the Properties of Flux-Cored Arc Welds of Plain Carbon Steel
In this study, the influence of variation in the shielding gas composition on the weld properties of steel ST 37-3 was investigated. Six different shielding gas compositions in addition to pure argon (Ar) and pure CO2 were studied in this work using flux cored arc welding (FCAW) process. For bea...
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Taiwan Association of Engineering and Technology Innovation
2012-01-01
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doaj-70d1e0fad903462eb5b3b8094ebd79262020-11-24T22:09:09ZengTaiwan Association of Engineering and Technology InnovationInternational Journal of Engineering and Technology Innovation2223-53292226-809X2012-01-01210112Influence of Shielding Gas Composition on the Properties of Flux-Cored Arc Welds of Plain Carbon Steel Ramy Gadallah0Raouf Fahmy1Tarek Khalifa2Alber Sadek3Benha UniversityBenha UniversityBenha UniversityCentral Metallurgical Research and Development InstituteIn this study, the influence of variation in the shielding gas composition on the weld properties of steel ST 37-3 was investigated. Six different shielding gas compositions in addition to pure argon (Ar) and pure CO2 were studied in this work using flux cored arc welding (FCAW) process. For bead-on-plate (B.O.P) specimens pure Ar shielding gas has excellent arc stability; however, with increase of the CO2 percent in the shielding gas compositions, the arc stability becomes noisy (unstable arc) especially for pure CO2 . 75% Ar – 25% CO2 shielding gas composition has the optimum deposition rate among other shielding gases for B.O.P. Furthermore, for complete real welded joints, the absorbed energy in the Charpy impact toughness test of weld metal (W.M) decreases with increase of the CO2 percent in the shielding gas composition. Additionally, the hardness of W.M decreases with the increase of the CO2 percent in the shielding gas composition. http://sparc.nfu.edu.tw/~ijeti/download/V2-01-12.pdfflux cored arc weldingshielding gas compositionsbead on platearc stability & efficiencydeposition rate |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Ramy Gadallah Raouf Fahmy Tarek Khalifa Alber Sadek |
spellingShingle |
Ramy Gadallah Raouf Fahmy Tarek Khalifa Alber Sadek Influence of Shielding Gas Composition on the Properties of Flux-Cored Arc Welds of Plain Carbon Steel International Journal of Engineering and Technology Innovation flux cored arc welding shielding gas compositions bead on plate arc stability & efficiency deposition rate |
author_facet |
Ramy Gadallah Raouf Fahmy Tarek Khalifa Alber Sadek |
author_sort |
Ramy Gadallah |
title |
Influence of Shielding Gas Composition on the Properties of Flux-Cored Arc Welds of Plain Carbon Steel |
title_short |
Influence of Shielding Gas Composition on the Properties of Flux-Cored Arc Welds of Plain Carbon Steel |
title_full |
Influence of Shielding Gas Composition on the Properties of Flux-Cored Arc Welds of Plain Carbon Steel |
title_fullStr |
Influence of Shielding Gas Composition on the Properties of Flux-Cored Arc Welds of Plain Carbon Steel |
title_full_unstemmed |
Influence of Shielding Gas Composition on the Properties of Flux-Cored Arc Welds of Plain Carbon Steel |
title_sort |
influence of shielding gas composition on the properties of flux-cored arc welds of plain carbon steel |
publisher |
Taiwan Association of Engineering and Technology Innovation |
series |
International Journal of Engineering and Technology Innovation |
issn |
2223-5329 2226-809X |
publishDate |
2012-01-01 |
description |
In this study, the influence of variation in the shielding gas composition on the weld properties of steel ST 37-3
was investigated. Six different shielding gas compositions in addition to pure argon (Ar) and pure CO2
were studied in
this work using flux cored arc welding (FCAW) process. For bead-on-plate (B.O.P) specimens pure Ar shielding gas
has excellent arc stability; however, with increase of the CO2
percent in the shielding gas compositions, the arc
stability becomes noisy (unstable arc) especially for pure CO2
. 75% Ar – 25% CO2
shielding gas composition has the
optimum deposition rate among other shielding gases for B.O.P. Furthermore, for complete real welded joints, the
absorbed energy in the Charpy impact toughness test of weld metal (W.M) decreases with increase of the CO2
percent
in the shielding gas composition. Additionally, the hardness of W.M decreases with the increase of the CO2
percent in
the shielding gas composition.
|
topic |
flux cored arc welding shielding gas compositions bead on plate arc stability & efficiency deposition rate |
url |
http://sparc.nfu.edu.tw/~ijeti/download/V2-01-12.pdf |
work_keys_str_mv |
AT ramygadallah influenceofshieldinggascompositiononthepropertiesoffluxcoredarcweldsofplaincarbonsteel AT raouffahmy influenceofshieldinggascompositiononthepropertiesoffluxcoredarcweldsofplaincarbonsteel AT tarekkhalifa influenceofshieldinggascompositiononthepropertiesoffluxcoredarcweldsofplaincarbonsteel AT albersadek influenceofshieldinggascompositiononthepropertiesoffluxcoredarcweldsofplaincarbonsteel |
_version_ |
1725813453661143040 |