Uticaj strukture na sposobnost oblikovanja Al-Mg6,8 legure
Influence of microstructure on the formability of Al-Mg6.8 alloy
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U 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.
Formability 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.
Keywords:
Al-Mg legura / mikrostruktura / sposobnost oblikovanja / Al-Mg alloy / microstructure / formabilitySource:
Hemijska industrija, 2008, 62, 3, 170-176Publisher:
- Association of Chemical Engineers of Serbia
DOI: 10.2298/HEMIND0803170M
ISSN: 0367-598X
WoS: 000257697700014
Scopus: 2-s2.0-77952998698
Institution/Community
Tehnološko-metalurški fakultetTY - JOUR AU - Minov, Boris G. AU - Popović, Miljana AU - Glišić, Dragomir AU - Romhanji, Endre PY - 2008 UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/1327 AB - U 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. AB - Formability 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. PB - Association of Chemical Engineers of Serbia T2 - Hemijska industrija T1 - Uticaj strukture na sposobnost oblikovanja Al-Mg6,8 legure T1 - Influence of microstructure on the formability of Al-Mg6.8 alloy EP - 176 IS - 3 SP - 170 VL - 62 DO - 10.2298/HEMIND0803170M ER -
@article{ author = "Minov, Boris G. and Popović, Miljana and Glišić, Dragomir and Romhanji, Endre", year = "2008", abstract = "U 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., Formability 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.", publisher = "Association of Chemical Engineers of Serbia", journal = "Hemijska industrija", title = "Uticaj strukture na sposobnost oblikovanja Al-Mg6,8 legure, Influence of microstructure on the formability of Al-Mg6.8 alloy", pages = "176-170", number = "3", volume = "62", doi = "10.2298/HEMIND0803170M" }
Minov, B. G., Popović, M., Glišić, D.,& Romhanji, E.. (2008). Uticaj strukture na sposobnost oblikovanja Al-Mg6,8 legure. in Hemijska industrija Association of Chemical Engineers of Serbia., 62(3), 170-176. https://doi.org/10.2298/HEMIND0803170M
Minov BG, Popović M, Glišić D, Romhanji E. Uticaj strukture na sposobnost oblikovanja Al-Mg6,8 legure. in Hemijska industrija. 2008;62(3):170-176. doi:10.2298/HEMIND0803170M .
Minov, Boris G., Popović, Miljana, Glišić, Dragomir, Romhanji, Endre, "Uticaj strukture na sposobnost oblikovanja Al-Mg6,8 legure" in Hemijska industrija, 62, no. 3 (2008):170-176, https://doi.org/10.2298/HEMIND0803170M . .