Poroznost zavarenih spojeva legure AlMg4,5Mn
Porosity of welded joints of AlMg4.5Mn alloy
2008
Аутори
Kastelec-Macura, SandraProkić-Cvetković, Radica
Jovičić, Radomir
Popović, Olivera
Burzić, Meri
Чланак у часопису (Објављена верзија)
Метаподаци
Приказ свих података о документуАпстракт
Poroznost predstavlja ozbiljan problem zavarenih spojeva legura Al, jer se zbog toga značajno smanjuje mogućnost primene Al legura za izradu lakih konstrukcija. Da bi se poroznost smanjila ispitani su zavareni spojevi legure AlMg4,5Mn i analizom mikrostrukture je utvrđen uticaj sastava zaštitnog gasa primenjenog TIG postupka na poroznost metala šava. Na osnovu te analize je ocenjen kvalitet izvedenog zavarenog spoja. Kao zaštitni gasovi su korišćeni Ar, He i N2, samostalno ili u vidu mešavina. Najveća poroznost se dobija pri upotrebi čistog argona, a najbolji rezultat je dobijen mešavinom Ar + 50%He + 0,015%N2. .
Porosity represents a serious problem of welded joints of Al alloys, since it significantly reduces their applicability for producing light structures. In order to reduce porosity, welded joints of AlMg4.5Mn alloy have been tested and how the weld metal porosity is influenced by the shielding gas composition in the applied TIG process is also determined by microstructural analysis. Based on this analysis, the performed welded joint is quality assessed. Shielding gases Ar, He and N2 were used, individually, or in mixtures. Highest porosity is achieved with pure argon, and the best results with a mixture Ar + 50%He + 0.015%N2. .
Кључне речи:
zaštitna atmosfera / TIG zavarivanje / poroznost / legura AlMg4 / 5Mn / TIG welding / shielding atmosphere / porosity / AlMg4.5Mn alloyИзвор:
Integritet i vek konstrukcija, 2008, 8, 2, 114-120Издавач:
- Institut za ispitivanje materijala, Beograd
Финансирање / пројекти:
- Примена савремених легура алуминијума за заварене конструкције (RS-MESTD-MPN2006-2010-14025)
Колекције
Институција/група
Mašinski fakultetTY - JOUR AU - Kastelec-Macura, Sandra AU - Prokić-Cvetković, Radica AU - Jovičić, Radomir AU - Popović, Olivera AU - Burzić, Meri PY - 2008 UR - https://machinery.mas.bg.ac.rs/handle/123456789/829 AB - Poroznost predstavlja ozbiljan problem zavarenih spojeva legura Al, jer se zbog toga značajno smanjuje mogućnost primene Al legura za izradu lakih konstrukcija. Da bi se poroznost smanjila ispitani su zavareni spojevi legure AlMg4,5Mn i analizom mikrostrukture je utvrđen uticaj sastava zaštitnog gasa primenjenog TIG postupka na poroznost metala šava. Na osnovu te analize je ocenjen kvalitet izvedenog zavarenog spoja. Kao zaštitni gasovi su korišćeni Ar, He i N2, samostalno ili u vidu mešavina. Najveća poroznost se dobija pri upotrebi čistog argona, a najbolji rezultat je dobijen mešavinom Ar + 50%He + 0,015%N2. . AB - Porosity represents a serious problem of welded joints of Al alloys, since it significantly reduces their applicability for producing light structures. In order to reduce porosity, welded joints of AlMg4.5Mn alloy have been tested and how the weld metal porosity is influenced by the shielding gas composition in the applied TIG process is also determined by microstructural analysis. Based on this analysis, the performed welded joint is quality assessed. Shielding gases Ar, He and N2 were used, individually, or in mixtures. Highest porosity is achieved with pure argon, and the best results with a mixture Ar + 50%He + 0.015%N2. . PB - Institut za ispitivanje materijala, Beograd T2 - Integritet i vek konstrukcija T1 - Poroznost zavarenih spojeva legure AlMg4,5Mn T1 - Porosity of welded joints of AlMg4.5Mn alloy EP - 120 IS - 2 SP - 114 VL - 8 UR - https://hdl.handle.net/21.15107/rcub_machinery_829 ER -
@article{ author = "Kastelec-Macura, Sandra and Prokić-Cvetković, Radica and Jovičić, Radomir and Popović, Olivera and Burzić, Meri", year = "2008", abstract = "Poroznost predstavlja ozbiljan problem zavarenih spojeva legura Al, jer se zbog toga značajno smanjuje mogućnost primene Al legura za izradu lakih konstrukcija. Da bi se poroznost smanjila ispitani su zavareni spojevi legure AlMg4,5Mn i analizom mikrostrukture je utvrđen uticaj sastava zaštitnog gasa primenjenog TIG postupka na poroznost metala šava. Na osnovu te analize je ocenjen kvalitet izvedenog zavarenog spoja. Kao zaštitni gasovi su korišćeni Ar, He i N2, samostalno ili u vidu mešavina. Najveća poroznost se dobija pri upotrebi čistog argona, a najbolji rezultat je dobijen mešavinom Ar + 50%He + 0,015%N2. ., Porosity represents a serious problem of welded joints of Al alloys, since it significantly reduces their applicability for producing light structures. In order to reduce porosity, welded joints of AlMg4.5Mn alloy have been tested and how the weld metal porosity is influenced by the shielding gas composition in the applied TIG process is also determined by microstructural analysis. Based on this analysis, the performed welded joint is quality assessed. Shielding gases Ar, He and N2 were used, individually, or in mixtures. Highest porosity is achieved with pure argon, and the best results with a mixture Ar + 50%He + 0.015%N2. .", publisher = "Institut za ispitivanje materijala, Beograd", journal = "Integritet i vek konstrukcija", title = "Poroznost zavarenih spojeva legure AlMg4,5Mn, Porosity of welded joints of AlMg4.5Mn alloy", pages = "120-114", number = "2", volume = "8", url = "https://hdl.handle.net/21.15107/rcub_machinery_829" }
Kastelec-Macura, S., Prokić-Cvetković, R., Jovičić, R., Popović, O.,& Burzić, M.. (2008). Poroznost zavarenih spojeva legure AlMg4,5Mn. in Integritet i vek konstrukcija Institut za ispitivanje materijala, Beograd., 8(2), 114-120. https://hdl.handle.net/21.15107/rcub_machinery_829
Kastelec-Macura S, Prokić-Cvetković R, Jovičić R, Popović O, Burzić M. Poroznost zavarenih spojeva legure AlMg4,5Mn. in Integritet i vek konstrukcija. 2008;8(2):114-120. https://hdl.handle.net/21.15107/rcub_machinery_829 .
Kastelec-Macura, Sandra, Prokić-Cvetković, Radica, Jovičić, Radomir, Popović, Olivera, Burzić, Meri, "Poroznost zavarenih spojeva legure AlMg4,5Mn" in Integritet i vek konstrukcija, 8, no. 2 (2008):114-120, https://hdl.handle.net/21.15107/rcub_machinery_829 .