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Influence of microstructure on the formability of Al-Mg6.8 alloy

dc.creatorMinov, Boris G.
dc.creatorPopović, Miljana
dc.creatorGlišić, Dragomir
dc.creatorRomhanji, Endre
dc.date.accessioned2021-03-10T10:58:40Z
dc.date.available2021-03-10T10:58:40Z
dc.date.issued2008
dc.identifier.issn0367-598X
dc.identifier.urihttp://TechnoRep.tmf.bg.ac.rs/handle/123456789/1327
dc.description.abstractU ovom radu korišćena je aluminijum-magnezijum legura sa 6,8% magnezijuma (Al-Mg6,8), koja pripada grupi Al-Mg legura visoke čvrstoće. Ispitivan je uticaj mikrostrukture, koja se postiže primenom različitih uslova termomehaničke obrade (TMO), na deformaciono ponašanje pri jednoosnom zatezanju, i na sposobnost oblikovanja u uslovima složenog naponsko-deformisanog stanja. Najbolju sposobnost oblikovanja, koja je ocenjena na osnovu parametara ojačavanja u toku jednoosnog zatezanja, i na osnovu graničnih krivih oblikovanja (GKO), konstruisanih po kriterijumu lokalnog stanjivanja i granične visine kupole (GVK), pokazuje ispitivana legura sa rekristalisanom jednofaznom a-Al i/ili dvofaznom (a + β) strukturom.sr
dc.description.abstractFormability of Al-Mg6.8 alloy has been evaluated experimentally in uniaxial tension and biaxial stretching. Three different structures developed after cold rolling and annealing in the range of temperature from 265 to 320 °C: (I) recovered dual (a + β) phase, (II) recrystallized (a + β) dual phase, and (III) recrystallized a-Al single phase structure, were tested. Samples with recovered structure have shown a lower formability level than the samples with fully recrystallized structure. Formability level assessed through FLD and LDH value, has been a result of complex interaction between work hardening ability and strain rate sensitivity.en
dc.publisherAssociation of Chemical Engineers of Serbia
dc.rightsopenAccess
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.sourceHemijska industrija
dc.subjectAl-Mg legurasr
dc.subjectmikrostrukturasr
dc.subjectsposobnost oblikovanjasr
dc.subjectAl-Mg alloyen
dc.subjectmicrostructureen
dc.subjectformabilityen
dc.titleUticaj strukture na sposobnost oblikovanja Al-Mg6,8 leguresr
dc.titleInfluence of microstructure on the formability of Al-Mg6.8 alloyen
dc.typearticle
dc.rights.licenseBY-NC-ND
dc.citation.epage176
dc.citation.issue3
dc.citation.other62(3): 170-176
dc.citation.spage170
dc.citation.volume62
dc.identifier.doi10.2298/HEMIND0803170M
dc.identifier.fulltexthttp://TechnoRep.tmf.bg.ac.rs/bitstream/id/8592/0367-598X0803170M.pdf
dc.identifier.scopus2-s2.0-77952998698
dc.identifier.wos000257697700014
dc.type.versionpublishedVersion


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