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Influence of gas shielding atmosphere on weldability of AIMg4.5Mn alloy

dc.creatorProkić-Cvetković, Radica
dc.creatorPopović, Olivera
dc.creatorKastelec-Macura, Sandra
dc.creatorJovičić, Radomir
dc.date.accessioned2022-09-19T17:49:37Z
dc.date.available2022-09-19T17:49:37Z
dc.date.issued2016
dc.identifier.issn0354-7965
dc.identifier.urihttps://machinery.mas.bg.ac.rs/handle/123456789/2263
dc.description.abstractU ovom radu je prikazano kako vrsta zaštitne atmosfere utiče na zavarljivost legure aluminijuma AlMg4.5Mn. Pripremljene ploče su zavarene TIG postupkom u četiri različite zaštitne atmosfere. Posle izvedenog zavarivanja, urađena su metalografska ispitivanja, ispitivanje zatezne čvrstoće zavarenog spoja u celini, kao ispitivanje tvrdoće zavarenog spoja. Pokazano je kako vrsta zaštitne atmosfere utiče na oblik šava, dubinu uvarivanja, razlivanje dodatnog materijala, pojavu poroznosti u metalu šava, kao i na vrednosti zatezne čvrstoće i tvrdoće. Šavovi dobijeni zavarivanjem u zaštitnoj atmosferi Ar+50%He+0,015%N2 pokazali su najbolji izgled metala šava, pri čemu je dobro razlivanje dodatnog materijala a odnos širine i visine šava zadovoljavajući. Takođe je pokazano da ovako dobijeni šavovi imaju najmanju poroznost metala šava.sr
dc.description.abstractIn this paper is shown the influence of gas shielding atmosphere on the weldability of AlMg4.5Mn alloy. Prepared plates were welded using tungsten inert gas (TIG) with four different shielding atmospheres. Metallographic testing, tensile testing and hardness testing of welded joints were carried out. It has been shown that composition of shielding atmosphere has effect on the weld appearance, depth of penetration, overflowing of filler material, porosity in the weld metal, as well as on values of tensile strength and hardness. Weldments obtained by welding in a shielding atmosphere Ar + 50% He + 0.015% N2 have the best appearance of the weld metal, good overflowing of filler material and satisfactory width to hight ratio. It was also established that these welds have the lowest weld metal porosity.en
dc.publisherDUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd
dc.rightsopenAccess
dc.sourceZavarivanje i zavarene konstrukcije
dc.subjectzavarljivostsr
dc.subjectzaštitna atmosferasr
dc.subjectporoznostsr
dc.subjectmetal šavasr
dc.subjectlegura AIMg4.5Mnsr
dc.subjectaluminijumsr
dc.subjectweldabilityen
dc.subjectweld metalen
dc.subjectporosityen
dc.subjectgas shielding atmosphereen
dc.subjectaluminiumen
dc.subjectAIMg4.5Mn alloyen
dc.titleUticaj sastava zaštitne atmosfere na zavarljivost legure AIMg4.5Mnsr
dc.titleInfluence of gas shielding atmosphere on weldability of AIMg4.5Mn alloyen
dc.typearticle
dc.rights.licenseARR
dc.citation.epage12
dc.citation.issue1
dc.citation.other61(1): 5-12
dc.citation.rankM51
dc.citation.spage5
dc.citation.volume61
dc.identifier.doi10.5937/zzk1601005C
dc.identifier.fulltexthttp://machinery.mas.bg.ac.rs/bitstream/id/1017/2260.pdf
dc.type.versionpublishedVersion


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