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Interaction Between Precipitation and Dynamic Recrystallization in HSLA-100 Microalloyed Steel | ||
| Iranian Journal of Materials Forming | ||
| مقاله 5، دوره 2، شماره 1، تیر 2015، صفحه 43-50 اصل مقاله (357.59 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22099/ijmf.2015.2914 | ||
| نویسندگان | ||
| G. R. Ebrahimi* 1؛ A. Momeni2؛ H. Eskandari3 | ||
| 1Department of Materials and Polymer Engineering, Hakim Sabzevari University, Sabzevar, Iran | ||
| 2Department of Materials Science and Engineering, Hamedan University of Technology, Hamedan, Iran | ||
| 3Department of Civil Engineering, Faculty of Engineering, Hakim Sabzevari University, Sabzevar, Iran | ||
| چکیده | ||
| Strain induced precipitation in HSLA-100 steel was investigated by conducting hot compression and relaxation tests at temperature range of 850°C to 1100°C and strain rate of 0.001 s-1 to 1s-1. The absence of dynamic recrystallization at temperatures below 1000°C was attributed to the influence of dynamic precipitation. The stress relaxation tests showed that strain induced precipitation is possible over a wide range of temperatures from 850°C to 1050°C. The starting and finishing times of precipitation were sensitive to temperature than strain rate. At temperature range of 950-1000°C and strain rate of 0.1s-1 the lowest times for precipitation were observed. The combination of precipitation-time-temperature and recrystallization-time temperature diagrams showed that at high temperatures and low strain rates, precipitation precedes dynamic recrystallization, whereas at the opposite condition, dynamic recrystallization goes in advance. The starting and finishing times for dynamic precipitation were approximated about 40 percent lower that those for strain induced precipitation. | ||
| کلیدواژهها | ||
| Hot deformation؛ Cu-bearing HSLA steel؛ Dynamic recrystallization؛ Hot compression؛ Stress relaxation | ||
| مراجع | ||
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[1] W. B. Marison, Overview of microalloying in steel, Proceedings of the vanitec symposium on the use of vanadium in steel, Giulin, China, 2000, 25-35. [2] A. Ghosh, B. Mishra, S. Das and S. Chatterjee, Microstructure, properties, and age hardening behavior of a thermomechanically processed ultralow-carbon Cu-bearing high-strength steel, Met. Mater. Trans., 36A (2005) 703-713. [3] Ghosh, Samar Das, S. Chatterjee, B. Mishra and P. Ramachandra Rao, Influence of thermo-mechanical processing and different post-cooling techniques on structure and properties of an ultra low carbon Cu bearing HSLA forging, Mater. Sci. Eng., A348 (2003) 299-308 [4] S. Panwar, D.B. Goel and O.P. Pandey, Effect of cold work and aging on mechanical properties of a copper bearing HSLA-100 steel, Bull. Mater. Sci., 28 (2005) 259-265. [5] S. Panwar, D.B. Goel, O. P. Pandey and K. Prasad, Aging of a copper bearing HSLA-100 steel, Bull. Mater. Sci., 26 (2003) 441-447. [6] M. Arribas, B. López and J.M. Rodriguez-Ibabe, Additional grain refinement in recrystallization controlled rolling of Ti-microalloyed steels processed by near-net-shape casting technology, Mater. Sci. Eng., A485 (2008) 383-394. [7] M. Mirzaee, H. Keshmiri, G.R. Ebrahimi and A. Momeni, Dynamic recrystallization and precipitation in low carbon low alloy steel 26NiCrMoV 14-5, Mater. Sci. Eng., A551 (2012) 25– 31. [8] P. Korczak, Influence of controlled rolling condition on microstructure and mechanical properties of low carbon micro-alloyed steels, J. Mater. Process. Technol., 157-158 (2004) 553-556. [9] J.H. Bianchi and L.P. Karjalainen, Modelling of dynamic and metadynamic recrystallisation during bar rolling of a medium carbon spring steel, J. Mater. Process. Technol., 160 (2005) 267-277. . [10]A. Momeni and S.M. Abbasi, On the opposition of dynamic recrystallization and solute dragging in steels, J. Alloys Comp. 622 (2015) 318–326. [11]M. Gómez, L. Rancel, B.J. Fernández and S.F. Medina, Evolution of austenite static recrystallization and grain size during hot rolling of a V-microalloyed steel, Mater. Sci. Eng., A501 (2009) 188-196. [12] J. Yang, Q. Liu, D. Sun and X. Li, Recrystallization behavior of deformed austenite in high strength microalloyed pipeline steel, J. Iron and Steel Res. Int., 16 (2009) 75-80. [13]A. Momeni, S. Kazemi, G.R. Ebrahimi and A. Maldar, Dynamic recrystallization and precipitation in high manganese austenitic stainless steel during hot compression, Int. J. Miner. Met. Mater., 21 (2014) 36-44. [14]O. Kwon and A.J. DeArdo, Interactions between recrystallization and precipitation in hot-deformed microalloyed steels, Acta Metal. Mater., 39 (1991) 529-538. [15]G.R. Ebrahimi, A. Momeni, M. Jahazi and P. Bucher, Dynamic recrystallization and precipitation in 13Cr supermartensitic stainless steels, Met. Mater. Trans., 45A (2014) 2219-2231. [16] J.J. Jonas, M.G. Akben and G.E. Ruddle, Mechanical testing for the study of austenite recrystallization and carbonitride precipitation, Proceedings Japan-Canada seminar on secondary steel making, 1985 234-246. [17] T. Siwecki and G. Engberg, Recrystallization controlled rolling of steel, Int. Conf. on Thermomechanical Processing in Theory, Modelling & Practice, Stockholm, Sweden, 1997 121-143. [18]A. Momeni, K. Dehghani, H. Keshmiri and G.R. Ebrahimi, Hot deformation behavior and microstructural evolution of a superaustenitic stainless steel, Mater. Sci. Eng., A 527 (2010) 1605–1611. [19]H. Wu, L. Du and X. Liu, Dynamic recrystallization and precipitation behavior of Mn-Cu-V weathering steel, J. Mater. Sci. Technol., 27 (2011) 1131-1138. [20]M. Mirzaee, H. Keshmiri, G.R. Ebrahimi and A. Momeni, Dynamic recrystallization and precipitation in low carbon low alloy steel 26NiCrMoV 14-5, Mater. Sci. Eng., A551 (2012) 25-31. [21]W. J. Liu and J. J. Jonas, A stress relaxation method for following carbonitride precipitation in austenite at hot working temperatures, Met. Mater. Trans., 19A (1988) 1403-1413. [22]A. Momeni, H. Arabi, A. Rezaei, H. Badri and S.M. Abbasi, Hot deformation behavior of austenite in HSLA- 100 microalloyed steel, Mater. Sci. Eng., A 528 (2011) 2158–2163. [23]N. Radovic, Correlation between apparent activation energy for hot working and temperature of no recrystallization in microalloyed steels, Mater. Sci. Forum, 426-432 (2003) 1553-1558. | ||
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