Manjgo, Mersida

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  • Manjgo, Mersida (2)
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Author's Bibliography

Effect of vibration on the variation of residual stresses and impact energy in butt-welded joints

Burzić, Meri; Prokić-Cvetković, Radica; Manjgo, Mersida; Milović, Ljubica; Arsić, Miodrag; Popović, Olivera

(Society for Structural Integrity and Life, Institute for Material Testing, 2012)

TY  - JOUR
AU  - Burzić, Meri
AU  - Prokić-Cvetković, Radica
AU  - Manjgo, Mersida
AU  - Milović, Ljubica
AU  - Arsić, Miodrag
AU  - Popović, Olivera
PY  - 2012
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2052
AB  - The effect of vibration on the variation of residual stresses in butt-welded steel plates and on the impact energy in characteristic zones of a welded joint is analysed in this paper. An important segment occurring as a result of welding is the phenomenon of residual stresses in the welded joint zone. Residual stress measurements are conducted both on butt-welded plates that were not vibrated during welding and on plates simultaneously welded and vibrated. It is concluded that the vibration process noticeably decreases the level of stresses in the zone of the butt weld, i.e. the result is relaxation and plane stress state. Impact energy tests have shown that vibration favourably affects the total impact energy by increasing it both in specimens notched in the weld metal (WM) and in the heat-affected zone (HAZ). It is also concluded that the correlation between the distribution of crack initiation- and crack propagation energy, as vital components in the assessment of welded joint ductility, is improved.
AB  - Istraživanje uticaja vibracija na promenu zaostalih napona kod sučeono zavarenih čeličnih ploča i promena energije udara u karakterističnim zonama zavarenog spoja analizirana je u ovom radu. Bitan segment, koji se javlja kao posledica zavarivanja, je pojava zaostalih napona u zoni zavarenog spoja. Merenje zaostalih napona je rađeno na sučeono zavarenim pločama koje nisu vibrirane u toku zavarivanja i kod ploča koje su istovremeno zavarivane i vibrirane. Uočeno je da proces vibracija znatno smanjuje nivo zaostalih napona u zoni sučeono zavarenog spoja, odnosno, dolazi do relaksacije i uravnoteženja stanja napona. Ispitivanja energije udara su pokazala da vibracije pozitivno utiču na povećanje ukupne energije udara i kod epruveta sa zarezom u metalu šava i u zoni uticaja toplote. Uočen je i bolji odnos raspodele energije stvaranja i energije širenja prsline, kao važnih komponenti u oceni plastičnosti zavarenog spoja.
PB  - Society for Structural Integrity and Life, Institute for Material Testing
T2  - Integritet i vek konstrukcija
T1  - Effect of vibration on the variation of residual stresses and impact energy in butt-welded joints
T1  - Uticaj vibracija na promenu zaostalih napona i energije udara kod sučeono zavarenih spojeva
EP  - 220
IS  - 3
SP  - 215
VL  - 12
UR  - https://hdl.handle.net/21.15107/rcub_technorep_2052
ER  - 
@article{
author = "Burzić, Meri and Prokić-Cvetković, Radica and Manjgo, Mersida and Milović, Ljubica and Arsić, Miodrag and Popović, Olivera",
year = "2012",
abstract = "The effect of vibration on the variation of residual stresses in butt-welded steel plates and on the impact energy in characteristic zones of a welded joint is analysed in this paper. An important segment occurring as a result of welding is the phenomenon of residual stresses in the welded joint zone. Residual stress measurements are conducted both on butt-welded plates that were not vibrated during welding and on plates simultaneously welded and vibrated. It is concluded that the vibration process noticeably decreases the level of stresses in the zone of the butt weld, i.e. the result is relaxation and plane stress state. Impact energy tests have shown that vibration favourably affects the total impact energy by increasing it both in specimens notched in the weld metal (WM) and in the heat-affected zone (HAZ). It is also concluded that the correlation between the distribution of crack initiation- and crack propagation energy, as vital components in the assessment of welded joint ductility, is improved., Istraživanje uticaja vibracija na promenu zaostalih napona kod sučeono zavarenih čeličnih ploča i promena energije udara u karakterističnim zonama zavarenog spoja analizirana je u ovom radu. Bitan segment, koji se javlja kao posledica zavarivanja, je pojava zaostalih napona u zoni zavarenog spoja. Merenje zaostalih napona je rađeno na sučeono zavarenim pločama koje nisu vibrirane u toku zavarivanja i kod ploča koje su istovremeno zavarivane i vibrirane. Uočeno je da proces vibracija znatno smanjuje nivo zaostalih napona u zoni sučeono zavarenog spoja, odnosno, dolazi do relaksacije i uravnoteženja stanja napona. Ispitivanja energije udara su pokazala da vibracije pozitivno utiču na povećanje ukupne energije udara i kod epruveta sa zarezom u metalu šava i u zoni uticaja toplote. Uočen je i bolji odnos raspodele energije stvaranja i energije širenja prsline, kao važnih komponenti u oceni plastičnosti zavarenog spoja.",
publisher = "Society for Structural Integrity and Life, Institute for Material Testing",
journal = "Integritet i vek konstrukcija",
title = "Effect of vibration on the variation of residual stresses and impact energy in butt-welded joints, Uticaj vibracija na promenu zaostalih napona i energije udara kod sučeono zavarenih spojeva",
pages = "220-215",
number = "3",
volume = "12",
url = "https://hdl.handle.net/21.15107/rcub_technorep_2052"
}
Burzić, M., Prokić-Cvetković, R., Manjgo, M., Milović, L., Arsić, M.,& Popović, O.. (2012). Effect of vibration on the variation of residual stresses and impact energy in butt-welded joints. in Integritet i vek konstrukcija
Society for Structural Integrity and Life, Institute for Material Testing., 12(3), 215-220.
https://hdl.handle.net/21.15107/rcub_technorep_2052
Burzić M, Prokić-Cvetković R, Manjgo M, Milović L, Arsić M, Popović O. Effect of vibration on the variation of residual stresses and impact energy in butt-welded joints. in Integritet i vek konstrukcija. 2012;12(3):215-220.
https://hdl.handle.net/21.15107/rcub_technorep_2052 .
Burzić, Meri, Prokić-Cvetković, Radica, Manjgo, Mersida, Milović, Ljubica, Arsić, Miodrag, Popović, Olivera, "Effect of vibration on the variation of residual stresses and impact energy in butt-welded joints" in Integritet i vek konstrukcija, 12, no. 3 (2012):215-220,
https://hdl.handle.net/21.15107/rcub_technorep_2052 .
3

Analysis of welded tensile plates with a surface notch in the weld metal and heat affected zone

Manjgo, Mersida; Međo, Bojan; Milović, Ljubica; Rakin, Marko; Burzić, Zijah; Sedmak, Aleksandar

(Pergamon-Elsevier Science Ltd, Oxford, 2010)

TY  - JOUR
AU  - Manjgo, Mersida
AU  - Međo, Bojan
AU  - Milović, Ljubica
AU  - Rakin, Marko
AU  - Burzić, Zijah
AU  - Sedmak, Aleksandar
PY  - 2010
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/1732
AB  - The behavior of the plates with a surface notch under tensile external loading is experimentally and numerically analyzed. The specimens were made of micro-alloyed steel NIO-MOL 490 K. welded by MAC (CO2) welding method. Surface notches were machined by the spark erosion method in the weld metal and heat affected zone. A finite element analysis of the specimens subjected to the tensile external loading is performed, with a simplified treatment of the heat affected zone mechanical properties. Obtained results are compared with the results of the experimental investigation, and a satisfactory agreement for the specimens containing the weld metal notch is observed. However, results for the specimen containing a notch in the heat affected zone require further investigation, including the analysis of the effects of micro structural heterogeneity.
PB  - Pergamon-Elsevier Science Ltd, Oxford
T2  - Engineering Fracture Mechanics
T1  - Analysis of welded tensile plates with a surface notch in the weld metal and heat affected zone
EP  - 2970
IS  - 15
SP  - 2958
VL  - 77
DO  - 10.1016/j.engfracmech.2010.03.042
ER  - 
@article{
author = "Manjgo, Mersida and Međo, Bojan and Milović, Ljubica and Rakin, Marko and Burzić, Zijah and Sedmak, Aleksandar",
year = "2010",
abstract = "The behavior of the plates with a surface notch under tensile external loading is experimentally and numerically analyzed. The specimens were made of micro-alloyed steel NIO-MOL 490 K. welded by MAC (CO2) welding method. Surface notches were machined by the spark erosion method in the weld metal and heat affected zone. A finite element analysis of the specimens subjected to the tensile external loading is performed, with a simplified treatment of the heat affected zone mechanical properties. Obtained results are compared with the results of the experimental investigation, and a satisfactory agreement for the specimens containing the weld metal notch is observed. However, results for the specimen containing a notch in the heat affected zone require further investigation, including the analysis of the effects of micro structural heterogeneity.",
publisher = "Pergamon-Elsevier Science Ltd, Oxford",
journal = "Engineering Fracture Mechanics",
title = "Analysis of welded tensile plates with a surface notch in the weld metal and heat affected zone",
pages = "2970-2958",
number = "15",
volume = "77",
doi = "10.1016/j.engfracmech.2010.03.042"
}
Manjgo, M., Međo, B., Milović, L., Rakin, M., Burzić, Z.,& Sedmak, A.. (2010). Analysis of welded tensile plates with a surface notch in the weld metal and heat affected zone. in Engineering Fracture Mechanics
Pergamon-Elsevier Science Ltd, Oxford., 77(15), 2958-2970.
https://doi.org/10.1016/j.engfracmech.2010.03.042
Manjgo M, Međo B, Milović L, Rakin M, Burzić Z, Sedmak A. Analysis of welded tensile plates with a surface notch in the weld metal and heat affected zone. in Engineering Fracture Mechanics. 2010;77(15):2958-2970.
doi:10.1016/j.engfracmech.2010.03.042 .
Manjgo, Mersida, Međo, Bojan, Milović, Ljubica, Rakin, Marko, Burzić, Zijah, Sedmak, Aleksandar, "Analysis of welded tensile plates with a surface notch in the weld metal and heat affected zone" in Engineering Fracture Mechanics, 77, no. 15 (2010):2958-2970,
https://doi.org/10.1016/j.engfracmech.2010.03.042 . .
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