Abstract
Hot deformation characteristics of 2205 duplex stainless steel were analyzed by performing hot compression tests at a temperature range of 950–1200 °C and a strain rate of 0.001–1 s−1. Flow stress was modeled by the constitutive equation of hyperbolic sine function. The constants of n, A, α, and the apparent activation energy were determined at different strains. They were then fitted by polynomial equations. Using the hyperbolic sine function and the relations derived between constants and strain flow curves were successfully modeled. Microstructural evolutions were characterized using optical microscopy and electron back scattered diffraction techniques. The results showed that dynamic recovery in ferrite is accelerated at higher temperatures followed by transformation to continuous dynamic recrystallization. Dynamic recrystallization in austenite was postponed by the accommodation of strain in ferrite and very few internal boundaries in austenite. At high strain rates, dynamic recovery in ferrite and dynamic recrystallization in austenite are very slow. Consequently, the total recrystallized fraction decreases. At low temperatures this situation may cause flow instabilities. At low strain rates, softening processes dominate in austenite and ferrite whereas at intermediate strain rates, the formation of substructures is observed in both phases.
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Gurrappa I, Krishna Reddy CV (2007) J Mater Proc Tech 182:195
Itman Filho A, Rollo JMDA, Silva RV, Martinez G (2005) Mater Lett 59:1192
Keshmiri H, Momeni A, Dehghani K, Ebrahimi GR, Heidari G (2009) J Mater Sci Technol 25:597
Fang YL, Liu ZY, Song HM, Jiang LZ (2009) Mater Sci Eng A 526:128
Duprez L, De Cooman BC, Akdut N (2002) Met Mater Trans 33A:1931
Mao P, Yang K, Su G (2003) J Mater Sci Technol 19:379
McQueen HJ, Ryan ND, Evangelista E, Xia X (1993) In: Proceedings 34th mechanical working and steel processing, 1993, Iron and Steel Inst. AIME, Warrendale: 101.
Dehghan-Manshadi A, Barnett MR, Hodgson PD (2007) Mater Sci Technol 23:1478
Evangelista E, Mengucci P, Bowles J, McQueen HJ (1993) High Temp Mat Proc 12:57
Momeni A, Dehghani K, Keshmiri HH, Ebrahimi GR (2010) Mater Sci Eng A527:1605
Momeni A, Dehghani K, Ebrahimi GR, Keshmiri H (2010) Met Mater Trans 41A:2898
Mandal S, Bhaduri AK, Subramania Sarma V (2011) Met Mater Trans 42A:1062
Momeni A, Dehghani K (2010) Mater Sci Eng A 527:5467
Balancin O, Hoffmann WAM, Jonas JJ (2000) Metal Mater Trans 31A:1353
Farnoush H, Momeni A, Dehghani K, Aghazadeh Mohandesi J, Keshmiri H (2010) Mater Des 31:220
Maki T, Furuhara T, Tsuzaki K (2001) ISIJ Int 41:571
Cizek P, Wynne BP, Rainforth WM (2006) J Phys 26:331
Solomon HD, Devine Jr TM (1982) In: Lula RA (ed) Duplex stainless steels ASM, Metals Park
Nilsson JO (1992) Mater Sci Technol 8:685
Johansson J, Oden M (2000) Metall Mater Trans 31A:1557
Estrin Y, Mecking H (1984) Acta Metall 32:57
Momeni A, Dehghani K (2010) Met Mater Int 16:843
Momeni A, Dehghani K (2011) Mater Sci Eng A528:1448
Sellars CM, Mc G, Tegart WJ (1972) Int Metall Rev 17:1
Mirzadeh H, Najafizadeh A (2010) Mater Sci Eng A527:1160
Humphreys FJ, Hatherly M (2004) Recrystallization and related annealing phenomena, 2nd edn. Pergamon, Netherland
Evangelista E, McQueen HJ, Niewczas M, Cabibbo M (2004) Can Metall Quart 43:339
He CS, Zhang YD, Wang YN, Zhao X, Zuo L, Esling C (2003) Scripta Mater 48:737
Wang G, Wu SD, Zuo L, Esling C, Wang ZG, Li GY (2003) Mater Sci Eng A346:83
Zhang Y, Gey N, He C, Zhao X, Zuo L, Esling C (2004) Acta Mater 52:3467
Dehghan Manshadi A, Hodgson PD (2008) J Mater Sci 43:6272. doi:10.1007/s10853-008-2907-4
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Momeni, A., Dehghani, K. & Zhang, X.X. Mechanical and microstructural analysis of 2205 duplex stainless steel under hot working condition. J Mater Sci 47, 2966–2974 (2012). https://doi.org/10.1007/s10853-011-6130-3
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DOI: https://doi.org/10.1007/s10853-011-6130-3