V、N、Nb微合金化对薄板坯连轧带钢组织和性能的影响The effect of V,N,Nb microalloying on the microstructure and properties of containing strip rolled from thin slab
张娟,呼努斯图,由国艳
摘要(Abstract)：
在试验室模拟薄板坯连铸连轧过程,板坯均热后被轧制到7mm厚并通过控冷来模拟辊道冷却和带钢的缓慢卷取过程。本文选用低碳钢,研究了V、N、Nb微合金化对其组织和性能的影响。通过试验证明在V-N钢中加入Nb对钢的强化机制有较大影响,使V-N-Nb钢中的析出强化增大,这表明V-N-Nb微合金化可充分地发挥微合金元素在钢中的析出强化作用,析出强化对屈服强度的贡献比V-N微合金化提高17MPa。
关键词(KeyWords)： 薄板坯;微合金化;析出强化;显微组织;屈服强度
基金项目(Foundation): 内蒙古工业大学科研基金项目(No．X200511)
作者(Author): 张娟,呼努斯图,由国艳
参考文献(References)：
- [1]P.J.Lubensky,S.L.Wigman and D.J.Johnson.High Strength Steel Produced Via Direct Charging Using Thin Slab Technology[C].Microalloying 95,ISS, Pittsburgh PA,1995:225-233
- [2]M.Korchynsky and S.Zajac.Flat Rolled Products from Thin-Slab Technology—Technological and Economic Potential,Thermo-Mechanical Processing[C]. Proceeding of an International Conference,Sep.4-6,1996,Stockholm,Sweden:364-381
- [3]WANG Zhaifang.Strenthening of V-beating Microalloyed Steel in Hot Rolling and Accelerated Cooling[J].Iron and Steel,1996,31(11):39-43
- [4]Medina S F,Lopez V.Static Recrystallization in Austinite and Its Influence on Microstructural Changes in C-Mn Steel and Vanaduim Microalloyed Steel at the Hot Strip Mill[J].ISIJ.Int.1993,32:605
- [5]ZHANG Juan,YANG Caifu,ZHANG Yongquan.The Effect of Composition on The Properties of Vanadium Containing Strip Rolled from Thin Slab[C]. Second International Conference on Advanced Structural Steels.2004.4.14-16:468-472
- [6]雍歧龙，马鸣图，吴宝榕，等．微合金钢—物理和力学冶金[M]．北京：机械工业出版社，1989．26-59 YONG Qi-long,Ma Ming-tu,WU Bao-rong.Microalloying-Physics and Mechanics metallurgy[M].Beijing:Machine Publishing Company,1989.26-59
- [7]于浩，康永林，等．CSP低碳钢薄板连铸坯的连续冷却转变及显微组织细化[J]．钢铁研究学报，2002，14(1)：42-46 YU Hao,KANG Yong lin.Continuous Cooling Transformation and Microstructure of Low Carbon Steel Thin Slab Made by CSP Line[J].Journal of Iron and Steel Research,2002,14(1):42-46
- [8]Y.Li,D.N.Crowther,P.S.Mitchell and T.N.Baker.The Evolution of Microstructure during Thin Slab Direct Rolling Processing in Vanadium Mictoalloyed Steels[J].ISIJ International,2002,42(6):636-644
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