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The effect of shielding gas on the toughness of ALMg4.5Mn weld metals made by GMAW

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Authors
Buyukyildirim, G.
Sedmak, Aleksandar
Prokić-Cvetković, Radica
Popović, Olivera
Jovicić, R.
Bulatović, Srđan
Article (Published version)
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Abstract
The effect of MIG/MAG shielding gas on the toughness of aluminium alloy AlMg4.5Mn weld metal has been analysed using the instrumented Charpy pendulum for standard toughness testing. The MIG/MAG welding was performed in the shielded atmosphere of Ar, as well as the mixtures of gases Ar + 0.0307 % O 2, Ar + 30 % He + 0.0317 %O 2 and Ar + 48 % He + 0.0290 % O 2. Metallographic tests have been performed in order to check the appearance and porosity of the weld metal, as well as its toughness testing at different temperatures (20, - 90, - 196 °C), using the instrumental Charpy pendulum, in order to separate the crack initiation and crack growth energy. In this way, a comprehensive insight of the effect of shielding gas on the weld metal toughness has been obtained.
Keywords:
Shielding gas mixture / MIG/MAG welding / Impact testing / Crack initiation energy / Crack growth energy / Aluminium alloy / Almg4.5Mn
Source:
FME Transactions, 2011, 39, 3, 127-132
Publisher:
  • Univerzitet u Beogradu - Mašinski fakultet, Beograd

ISSN: 1451-2092

Scopus: 2-s2.0-84859490741
[ Google Scholar ]
2
Handle
https://hdl.handle.net/21.15107/rcub_rims_144
URI
http://rims.institutims.rs/handle/123456789/144
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
Institut za ispitivanje materijala
TY  - JOUR
AU  - Buyukyildirim, G.
AU  - Sedmak, Aleksandar
AU  - Prokić-Cvetković, Radica
AU  - Popović, Olivera
AU  - Jovicić, R.
AU  - Bulatović, Srđan
PY  - 2011
UR  - http://rims.institutims.rs/handle/123456789/144
AB  - The effect of MIG/MAG shielding gas on the toughness of aluminium alloy AlMg4.5Mn weld metal has been analysed using the instrumented Charpy pendulum for standard toughness testing. The MIG/MAG welding was performed in the shielded atmosphere of Ar, as well as the mixtures of gases Ar + 0.0307 % O 2, Ar + 30 % He + 0.0317 %O 2 and Ar + 48 % He + 0.0290 % O 2. Metallographic tests have been performed in order to check the appearance and porosity of the weld metal, as well as its toughness testing at different temperatures (20, - 90, - 196 °C), using the instrumental Charpy pendulum, in order to separate the crack initiation and crack growth energy. In this way, a comprehensive insight of the effect of shielding gas on the weld metal toughness has been obtained.
PB  - Univerzitet u Beogradu - Mašinski fakultet, Beograd
T2  - FME Transactions
T1  - The effect of shielding gas on the toughness of ALMg4.5Mn weld metals made by GMAW
EP  - 132
IS  - 3
SP  - 127
VL  - 39
UR  - https://hdl.handle.net/21.15107/rcub_rims_144
ER  - 
@article{
author = "Buyukyildirim, G. and Sedmak, Aleksandar and Prokić-Cvetković, Radica and Popović, Olivera and Jovicić, R. and Bulatović, Srđan",
year = "2011",
abstract = "The effect of MIG/MAG shielding gas on the toughness of aluminium alloy AlMg4.5Mn weld metal has been analysed using the instrumented Charpy pendulum for standard toughness testing. The MIG/MAG welding was performed in the shielded atmosphere of Ar, as well as the mixtures of gases Ar + 0.0307 % O 2, Ar + 30 % He + 0.0317 %O 2 and Ar + 48 % He + 0.0290 % O 2. Metallographic tests have been performed in order to check the appearance and porosity of the weld metal, as well as its toughness testing at different temperatures (20, - 90, - 196 °C), using the instrumental Charpy pendulum, in order to separate the crack initiation and crack growth energy. In this way, a comprehensive insight of the effect of shielding gas on the weld metal toughness has been obtained.",
publisher = "Univerzitet u Beogradu - Mašinski fakultet, Beograd",
journal = "FME Transactions",
title = "The effect of shielding gas on the toughness of ALMg4.5Mn weld metals made by GMAW",
pages = "132-127",
number = "3",
volume = "39",
url = "https://hdl.handle.net/21.15107/rcub_rims_144"
}
Buyukyildirim, G., Sedmak, A., Prokić-Cvetković, R., Popović, O., Jovicić, R.,& Bulatović, S.. (2011). The effect of shielding gas on the toughness of ALMg4.5Mn weld metals made by GMAW. in FME Transactions
Univerzitet u Beogradu - Mašinski fakultet, Beograd., 39(3), 127-132.
https://hdl.handle.net/21.15107/rcub_rims_144
Buyukyildirim G, Sedmak A, Prokić-Cvetković R, Popović O, Jovicić R, Bulatović S. The effect of shielding gas on the toughness of ALMg4.5Mn weld metals made by GMAW. in FME Transactions. 2011;39(3):127-132.
https://hdl.handle.net/21.15107/rcub_rims_144 .
Buyukyildirim, G., Sedmak, Aleksandar, Prokić-Cvetković, Radica, Popović, Olivera, Jovicić, R., Bulatović, Srđan, "The effect of shielding gas on the toughness of ALMg4.5Mn weld metals made by GMAW" in FME Transactions, 39, no. 3 (2011):127-132,
https://hdl.handle.net/21.15107/rcub_rims_144 .

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