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Avoidance of tunnel type defect in FSW welded Al 5052-H32 plates

Eliminacija tunela pri zavarivanju trenjem alatom legure Al 5052-H32

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2012
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Authors
Radisavljević, Igor
Živković, Aleksandar
Radović, Nenad
Article (Published version)
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Abstract
Some experiences in elimination of tunnel type defect Friction Stir Welding of Al alloy 5052-H32 are presented in this paper. In order to evaluate the influence of the processing parameter (ratio between rotation and translation speed during welding) on the occurrence of tunnel type defects and quality of welded joint, different welding parameters were varied. Welded joints were tested by means of both nondestructive (visual inspection, X-ray inspection) and destructive (metallographic, bending, tension and hardness) testing. Best results were obtained for the ratio between 6.45 and 8.22. Results suggest that with this ratio, the material flows around the pin with optimal speed, i.e. sufficient amount of material is available to fulfill the gap and prevent tunnel formation.
U radu su predstavljena iskustva na eliminaciji greške tunela u zavarenim spojevima dobijenih zavarivanjem ploča postupkom zavarivanja trenjem alatom na leguri Al 5052-H32. U cilju određivanja uticaja parametara zavarivanja (odnos brzine rotacije alata i brzine zavarivanja-translacije) na pojavu greške tunela i kvalitet zavarenog spoja, parametri su varirani u širokom opsegu. Zavareni spojevi su ispitivani metodama bez razaranja (vizuelno, penetrantima i rentgenski) i sa razaranjem (metalografski, zatezanje, tvrdoća i savijanje). Zavareni spojevi sa najboljim osobinama postignuti su kod spojeva zavarenih korišćenjem odnosa u opsegu od 6.45 do 8.22. Rezultati ukazuju da su to odnosi koji obezbeđuju optimalni način tečenja materijala oko trna alata, tj. da je kontinuirani dotok materijala na povratnu stranu dovoljan da homogeno popunjava prazninu i spreči pojavu kanala.
Keywords:
friction stir welding / al alloys / heat input / zavarivanje trenjem sa alatom / al legure / uneta toplota
Source:
Zavarivanje i zavarene konstrukcije, 2012, 57, 1, 5-12
Publisher:
  • DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd
Funding / projects:
  • Design of processing and welding of the high strength Al-Mg alloys for road and railway trasportation applications (RS-34018)

ISSN: 0354-7965

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_technorep_2030
URI
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2030
Collections
  • Radovi istraživača / Researchers’ publications (TMF)
Institution/Community
Tehnološko-metalurški fakultet
TY  - JOUR
AU  - Radisavljević, Igor
AU  - Živković, Aleksandar
AU  - Radović, Nenad
PY  - 2012
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2030
AB  - Some experiences in elimination of tunnel type defect Friction Stir Welding of Al alloy 5052-H32 are presented in this paper. In order to evaluate the influence of the processing parameter (ratio between rotation and translation speed during welding) on the occurrence of tunnel type defects and quality of welded joint, different welding parameters were varied. Welded joints were tested by means of both nondestructive (visual inspection, X-ray inspection) and destructive (metallographic, bending, tension and hardness) testing. Best results were obtained for the ratio between 6.45 and 8.22. Results suggest that with this ratio, the material flows around the pin with optimal speed, i.e. sufficient amount of material is available to fulfill the gap and prevent tunnel formation.
AB  - U radu su predstavljena iskustva na eliminaciji greške tunela u zavarenim spojevima dobijenih zavarivanjem ploča postupkom zavarivanja trenjem alatom na leguri Al 5052-H32. U cilju određivanja uticaja parametara zavarivanja (odnos brzine rotacije alata i brzine zavarivanja-translacije) na pojavu greške tunela i kvalitet zavarenog spoja, parametri su varirani u širokom opsegu. Zavareni spojevi su ispitivani metodama bez razaranja (vizuelno, penetrantima i rentgenski) i sa razaranjem (metalografski, zatezanje, tvrdoća i savijanje). Zavareni spojevi sa najboljim osobinama postignuti su kod spojeva zavarenih korišćenjem odnosa u opsegu od 6.45 do 8.22. Rezultati ukazuju da su to odnosi koji obezbeđuju optimalni način tečenja materijala oko trna alata, tj. da je kontinuirani dotok materijala na povratnu stranu dovoljan da homogeno popunjava prazninu i spreči pojavu kanala.
PB  - DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd
T2  - Zavarivanje i zavarene konstrukcije
T1  - Avoidance of tunnel type defect in FSW welded Al 5052-H32 plates
T1  - Eliminacija tunela pri zavarivanju trenjem alatom legure Al 5052-H32
EP  - 12
IS  - 1
SP  - 5
VL  - 57
UR  - https://hdl.handle.net/21.15107/rcub_technorep_2030
ER  - 
@article{
author = "Radisavljević, Igor and Živković, Aleksandar and Radović, Nenad",
year = "2012",
abstract = "Some experiences in elimination of tunnel type defect Friction Stir Welding of Al alloy 5052-H32 are presented in this paper. In order to evaluate the influence of the processing parameter (ratio between rotation and translation speed during welding) on the occurrence of tunnel type defects and quality of welded joint, different welding parameters were varied. Welded joints were tested by means of both nondestructive (visual inspection, X-ray inspection) and destructive (metallographic, bending, tension and hardness) testing. Best results were obtained for the ratio between 6.45 and 8.22. Results suggest that with this ratio, the material flows around the pin with optimal speed, i.e. sufficient amount of material is available to fulfill the gap and prevent tunnel formation., U radu su predstavljena iskustva na eliminaciji greške tunela u zavarenim spojevima dobijenih zavarivanjem ploča postupkom zavarivanja trenjem alatom na leguri Al 5052-H32. U cilju određivanja uticaja parametara zavarivanja (odnos brzine rotacije alata i brzine zavarivanja-translacije) na pojavu greške tunela i kvalitet zavarenog spoja, parametri su varirani u širokom opsegu. Zavareni spojevi su ispitivani metodama bez razaranja (vizuelno, penetrantima i rentgenski) i sa razaranjem (metalografski, zatezanje, tvrdoća i savijanje). Zavareni spojevi sa najboljim osobinama postignuti su kod spojeva zavarenih korišćenjem odnosa u opsegu od 6.45 do 8.22. Rezultati ukazuju da su to odnosi koji obezbeđuju optimalni način tečenja materijala oko trna alata, tj. da je kontinuirani dotok materijala na povratnu stranu dovoljan da homogeno popunjava prazninu i spreči pojavu kanala.",
publisher = "DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd",
journal = "Zavarivanje i zavarene konstrukcije",
title = "Avoidance of tunnel type defect in FSW welded Al 5052-H32 plates, Eliminacija tunela pri zavarivanju trenjem alatom legure Al 5052-H32",
pages = "12-5",
number = "1",
volume = "57",
url = "https://hdl.handle.net/21.15107/rcub_technorep_2030"
}
Radisavljević, I., Živković, A.,& Radović, N.. (2012). Avoidance of tunnel type defect in FSW welded Al 5052-H32 plates. in Zavarivanje i zavarene konstrukcije
DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd., 57(1), 5-12.
https://hdl.handle.net/21.15107/rcub_technorep_2030
Radisavljević I, Živković A, Radović N. Avoidance of tunnel type defect in FSW welded Al 5052-H32 plates. in Zavarivanje i zavarene konstrukcije. 2012;57(1):5-12.
https://hdl.handle.net/21.15107/rcub_technorep_2030 .
Radisavljević, Igor, Živković, Aleksandar, Radović, Nenad, "Avoidance of tunnel type defect in FSW welded Al 5052-H32 plates" in Zavarivanje i zavarene konstrukcije, 57, no. 1 (2012):5-12,
https://hdl.handle.net/21.15107/rcub_technorep_2030 .

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