张玉杰,王存宇,刘文忠,曹文全,时捷,董瀚,张玉勤

• 1:昆明理工大学材料科学与工程学院
• 2:钢铁研究总院结构材料研究所
• 3:内蒙古第一机械集团有限公司工艺研究所

摘要(Abstract)：

用Gleeble-3800试验机对一种低碳CrNi3Si2MoV钢开展了热压缩30%后立即进行淬火配分(Q&P)工艺处理的试验,探讨变形温度对淬火配分钢微观组织和硬度的影响,用SEM和TEM进行微观组织表征,用XRD测量残留奥氏体体积分数。结果表明,与Q&P工艺处理的样品相比,变形后再进行Q&P工艺处理的样品存在残奥量和维氏硬度同时升高的现象,随变形温度的降低,钢的硬度逐渐升高,残奥量先增大后减小,热变形导致钢的Ms温度升高,变形温度为750℃的样品获得最大量的残留奥氏体,达到17.2%,热变形引入的位错促进C的配分,同时提高钢的强度。

关键词(KeyWords)： 淬火配分(Q&P);热变形;硬度;抗拉强度;马氏体;残留奥氏体

Abstract:

Keywords:

基金项目(Foundation): 青年科学基金项目(51101036);; 国家“973”项目(2010CB630803)

作者(Author): 张玉杰,王存宇,刘文忠,曹文全,时捷,董瀚,张玉勤

DOI: 10.13289/j.issn.1009-6264.2013.05.020

参考文献(References)：

• [1]Matlock D K,Br(a)utigam V E,Speer J G.Application of the quenching and partitioning(Q&P)process to a medium-carbon high Si microalloyedbar steel[J].Materials Science Forum,2003,426-432(2):1089-1095.
• [2]王存宇.30GPa%级超高强度马奥组织钢的研究[D].北京:钢铁研究总院,2010.
• [3]Streicher A M,Speer J G,Matlock D K,et al.Quenching and partitioning response of a Si-added TRIP sheet steel[C]//Proceedings of theInternational Conference on Advanced High-Strength Sheet Steel for Automotive Aplications,USA:Warrendale,PA:AIST,2004:51-55.
• [4]Rizzo F,Martins A R,Speer J G.Quenching and partitioning of Ni-added high strength steel[J].Materials Science Forum,2007,4476:539-543.
• [5]Zhong N,Wang X D,Huang B X,et al.Microstructures and mechanical property of quenched and partitioned Fe-C-Mn-Si steel[C]//Gyeongju Proc3rd Inter Conf on Advanced Structural Steels,Metals and Materials,Korea,2006:885-891.
• [6]DeCooman B C,Speer J G.Microstructure-properties relationships in quench and partition(Q&P)steel,implications for automotive anti-instrusionapplications[C]//Gyeongju Proc 3rd Inter Conf on Advanced Structural Steels,Metals and Materials,Korea,2006:798-804.
• [7]解西强,高文涛,时捷,等.Q&P(淬火+分配)工艺对25Si2Ni2钢组织和力学性能的影响[J].特殊钢,2008,29(5):56-58.XIE Xi-qiang,GAO Wen-tao,SHI Jie,et al.Effect of quenching and partitioning(Q&P)process on structure and mechanic properities of steel25Si2Ni2[J].Special Steel,2008,29(5):56-58.
• [8]Mullner P,solenthaler C.On the effect of deformation twinning on defect densities[J].Materials Science and Engineering A,1997,230(1-2):107-115.
• [9]Maek Bohuslav,JirkováHana,HauserováDaniela.The effect of Mn and Si on the properties of advanced high strength steels processed by quenchingand partitioning[J].Materials Science Forum,2010,654-656:94-97.
• [10]Speer J G,Matlock D K.Developments in the quenching and partitioning process[J].World Iron&Steel,2009,1:31-39.
• [11]Chandra T,Ionescu M,Mantovani D.Evaluation of the behaviour and properties of a high-Si steel processed using direct quenching and partitioning[J].Materials Science Forum,2012,706-709:2824-2829.
• [12]Zhou S,Zhang K,Chen N L,et al.Investigation on high strength hot-rolled plates by quenching-partitioning-tempering process suitable for engineering[J].ISIJ International,2011,51(10):1688-1695.
• [13]Thomas G A,Speer J G,Matlock D K.Quenched and partitioned microstructures produced via Gleeb simulations of hot-strip mill cooling practices[J].Metall Mater Trans A,2011,42(12):3652-3659.
• [14]王存宇,时捷,曹文全,等.Q&P工艺处理低碳CrNi3Si2MoV钢马氏体的研究[J].金属学报,2011,47(6):720-726.WANG Cun-yu,SHI Jie,CAO Wen-quan,et al.Study on the marteneite in low carbon CrNi3Si2MoV steel treated by Q&P process[J].Acta MetallSin,2011,47(6):720-726.
• [15]束德林.金属力学性能[M].北京:机械工业出版社,1987.
• [16]王存宇,时捷,曹文全,等.Q&P工艺处理钢的单轴拉伸性能研究[J].材料热处理学报,2010,31(6):77-83.WANG Cun-yu,SHI Jie,CAO Wen-quan,et al.Study on uniaxial tension properties of steel treated by Q&P process[J].Transactions of Materials andHeat Treatment,2010,31(6):77-83.
• [17]Guimaraes J R C,Shyne J C.On the effect of plastic deformation on thermal stabilization of austenite in an Fe-Ni-C alloy[J].Metall Trans.,1973,2(8):2063-2065.
• [18]陈国安,杨王玥,孙祖庆.中碳钢过冷奥氏体形变过程中的组织演变[J].金属学报,2007,43(1),27-34.CHEN Guo-an,YANG Wang-yue,SUN Zu-qing.Microstructure and texture change during deformation of undercooled austenite in a low carbon steel[J].Acta Metal Sin,2007,43(1):27-34.
• [19]徐祖耀.马氏体相变与马氏体,第2版[M].北京:科学出版社,1999:690-699.
• [20]Kajiwara S.Roles of dislocations and grain boundaries in martensite nucleation[J].Metall Trans A,1986,17(10):1693-1702.
• [21]Koistinen D P,Marburger R E.A general equation prescribing the extent of the austenite-martensite transformation in pure ironcarbon alloys andpiain carbon steel[J].Acta Metall,1959,7:59-63.
• [22]Gerdeman F L H.Speer J G,Matlock D K.Microstructure and hardness of 9260 steel heat-treated by the quenching and partitioning(Q&P)process[C]//MS&T Conference Proceedings,Germany,2004:439-449.
• [23]Maxwell P C,Goldberg A,Shyne J C,Stress-assisted and strain-induced martensites in Fe-Ni-C alloys[J].Metal Trans,1974,5(6):1305-1138.
• [24]Justusson W M,Schmatz D J.Some observations on the strength of martensite formed from cold-worked austenite[J].Trans Am Soc Metals,1962,55:640-644.
• [25]雷廷权,姚忠凯,杨德庄,等.钢的形变热处理[M].北京:机械工业出版社,1979:106-110.

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