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
Аутори
Burzić, MeriProkić-Cvetković, Radica
Manjgo, Mersida
Milović, Ljubica
Arsić, Miodrag
Popović, Olivera
Чланак у часопису (Објављена верзија)
Метаподаци
Приказ свих података о документуАпстракт
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 ducti...lity, 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.
Кључне речи:
welding / residual stresses / vibration / impact energy / zavarivanje / zaostali naponi / vibracije / energija udaraИзвор:
Integritet i vek konstrukcija, 2012, 12, 3, 215-220Издавач:
- Society for Structural Integrity and Life, Institute for Material Testing
Финансирање / пројекти:
- Развој нових методологија ревитализације турбинске и хидромеханичке опреме хидроелектрана у зависности од узрока деградације материјала (RS-MESTD-Technological Development (TD or TR)-35002)
- Истраживање могућности унапређења технологије заваривања микролегираних челика (RS-MESTD-Technological Development (TD or TR)-35024)
Институција/група
Tehnološko-metalurški fakultetTY - 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 .