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Dynamic Recrystallization Behaviors of Low Carbon Q690qENH High–strength Bridge Steels |
CHEN Jun1, TANG Shuai1, ZHOU Yanlei1, LIU Zhenyu1, WANG Guodong1, YANG Ying2, CHEN Junping2 |
1.The State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110819
2.ANGANG Steel Company Limited, Anshan 114021 |
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Cite this article:
CHEN Jun TANG Shuai ZHOU Yanlei LIU Zhenyu WANG Guodong YANG Ying CHEN Junping. Dynamic Recrystallization Behaviors of Low Carbon Q690qENH High–strength Bridge Steels. Chin J Mater Res, 2012, 26(2): 199-205.
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Abstract The dynamic recrystallization behaviors of low carbon Q690qENH high–strength bridge steel were investigated by hot compression deformation using MMS–300 thermo–simulation machine. The results show the softening of low carbon Q690qENH high-strength bridge steel is mainly controlled by dynamic recovery during hot rolling deformation and the dynamic recrystallization occurs obviously at low strain rates of 0.1 s−1 and 0.2 s−1. The stress factor was modified as 0.0099 MPa−1, the dynamic recrystallization activation energies were gained, and the dynamic recrystallization kinetics model was established. The expression of εc=0.72εp was determined using P–M–K method. Correlations between peak strain and Z/A are power function, and dynamic recrystallization critical strain model was established calculation values of which are good agreement with evolution of microstructure during hot deformation. Effects of temperature on migration–rate of interface were also investigated during dynamic recrystallization.
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Received: 31 August 2011
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Fund: Supported by the Fundamental Research Funds for the Central Universities No.N110607003, N100507002. |
1 WANG Lei, GAO Cairu, WANG Yanfeng, DU Linxiu, ZHAO Dewen, LIU Xianghua, Development of bridge steels in China, Materials for Mechanical Engineering, 32(5), 1(2008)(王 磊, 高彩茹, 王彦锋, 杜林秀, 赵德文, 刘相华, 我国桥梁钢的发展历程及展望, 机械工程材料, 32(5), 1(2008))2 WEI Jie, TANG Guangbo, LIU Zhengdong, Hot deformation and dynamic recrystallization models of C–Mn steel, Journal of Iron and Steel Research, 20(3), 31(2008)(魏 洁, 唐广波, 刘正东, 碳锰钢热变形行为及动态再结晶模型, 钢铁研究学报, 20(3), 31(2008))3 S.F.Medina, C.A.Hernandez, General expression of the Zener-Hollomon parameter as a function of the chemical composition of low alloy and microalloyed steels, Acta Materialia,44(1), 137(1996)4 MA Bo, PENG Yan, LIU Yunfei, JIA Bin, Dynamic recrystallization kinetics model of low-alloy steel Q345B, Transactions of Materials and Heat Treatment, 31(4), 141(2010)(马 博, 彭 艳, 刘云飞, 贾 斌, 低合金钢Q345B动态再结晶动力学模型, 材料热处理学报, 31(4), 141(2010))5 MA Liqiang, YUAN Xiangqian, LIU Zhenyu, ZHANG Pijun, JIAO Sihai, WU Di, WANG Guodong, Study on dynamic recrystallization of Nb-microalloyed steels, Journal of Iron and Steel Research, 18(9), 47(2006)(马立强, 袁向前, 刘振宇, 张丕军, 焦四海, 吴 迪, 王国栋, 铌微合金钢动态再结晶的规律, 钢铁研究学报, 18(9), 47(2006))6 CHEN Liqing, ZHAO Yang, XU Qiuxiang, LIU Xianghua, Dynamic recrystallization and precipitation behaviors of a kind of low carbon V-microalloyed steel, ActaMetallurgica Sinica, 46(10), 1215(2010)(陈礼清, 赵 阳, 徐香秋, 刘相华, 一种低碳钒微合金钢的动态再结晶与析出行为, 金属学报, 46(10), 1215(2010))7 A.I. Fern´andez, P.Uranga, B.L´opez, J.M.Rodriguez-Ibabe, Dynamic recrystallization behavior covering a wide austenite grain size range in Nb and Nb–Ti microalloyed steel, Materials Science and Engineering, 361(1-2), 367(2003)8 F.Siciliano, Jr, J.J.Jonas, Mathematical modeling of the hot strip rolling of microalloyed Nb, multiply–alloyed Cr–Mo, and plain C–Mn steels, Metallurgical and Materials Transaction Trans.A, 31A(2), 511(2000)9 C.M.Sellars, W.J.M.Tegart, On the mechanism of hot deformation, Acta Metallurgica, 14(9), 1136(1996) 10 H.J.McQueen, N.D.Ryan, Constitutive analysis in hot working, Materials Science and Engineering A, 322(1-2), 43(2002)11 XIE Zhanglong, LIU Zhenyu, WANG Guodong, Mathematical modeling for dynamic recrystallization behavior of low-carbon 9Ni steels, Journal of Northeastern University(Natural Science), 31(1), 51(2010)(谢章龙, 刘振宇, 王国栋, 低碳9Ni钢的动态再结晶数学模型, 东北大学学报(自然科学版), 31(1), 51(2010))12 WU Jinbin, LIU Guoquan, WANG Chengyang, XU Lei, WANG Hao, Dynamic recrystallization kinetics and related influence factors of vanadium-nitride microalloyed steel during hot compressive deformation, Materials Science and Technology, 19(1), 85(2011)(吴晋彬, 刘国权, 王承阳, 许 磊, 王 浩, 钒氮微合金钢动态再结晶动力学及影响因素, 材料科学与工艺, 19(1), 85(2011))13 N.D.Ryan, H.J.McQueen, Dynamic softening mechanisms in 304 austenitic stainless steel, Can Metall Q, 29(2), 147(1990)14 M.Glowacki, P.Kuziak, M.Pietrzyk, Modeling of heat transfer, plastic flow and microstructural evolution during shape rolling, Journal of materials Processing Technology, 53(122), 159(1995)15 K.Karhausen, R.Kopp, Numerical simulation method for designing thermomechanical treatments, illustrated by bar rolling, Scandinavian Journal of Metallurgy, 20(6), 351(1991)16 M.EI.Wahabi, J.M.Cabrera, Prsdo J M, Hot working of two AISI 304 steels: a comparative study, Materials Science Engineering A, 343, 116(2003)17 C.X.Yue, L.W.Zhang, S.L.Liao, J.B.Pei, H.J.Gao, Y.W.Jia, X.J.Lian, Research on the dynamic recrystallization behavior of GCr15 steel, Materials Science and Engineering A, 499(1-2), 177(2009) |
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