王敏婷,刘晓东,李学通,杜凤山

• 1:燕山大学机械工程学院
• 2:燕山大学国家冷轧板带装备及工艺工程技术研究中心

摘要(Abstract)：

利用Gleeble3500热模拟试验机对非调质钢F40MnV不同热变形条件下的相变过程进行了实验研究,得出了Zener-Hollomon参数对相变转变点、相变组织及硬度的影响规律。结果表明,随形变条件Z因子值增大,先共析铁素体和珠光体的转变温度增高、珠光体的转变区间减小,而铁素体的转变区间基本不变;当完全再结晶时,随Z因子值增大,相变前奥氏体晶粒尺寸减小,转变后先共析铁素体的体积分数增大;在完全再结晶和Z参数值较高(大于1.1×1011)的情况下时,相变后组织的硬度随Z值增大而提高,而在形变中部分再结晶时由于组织处于混晶状态导致该钢的硬度较低。

关键词(KeyWords)： 非调质钢;热变形;冷却相变;组织

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51075352,50705080);; 河北省自然科学基金(E2012203028,E2011203090)

作者(Author): 王敏婷,刘晓东,李学通,杜凤山

DOI: 10.13289/j.issn.1009-6264.2014.12.024

参考文献(References)：

• [1]陈蕴博,马炜,金康.强韧微合金化非调质钢的研究动向[J].机械工程材料,2001,25(3):1-6.CHEN Yun-bo,MA Wei,JIN Kang.Development on improving the strength&toughness of microalloyed steels[J].Materials for Mechanical Engineering,2001,25(3):1-6.
• [2]刘瑞宁,王福明,李强.微合金非调质钢的发展及现状[J].河北冶金,2006,151(1):6-9.LIU Rui-ning,WANG Fu-ming,LI Qiang.Development and present of non-quenched and non-tempered microalloy steel[J].Hebei Metallurgy,2006151(1):6-9.
• [3]常开地,王萍,刘卫萍.非调质钢的发展现状和应用进展[J].金属热处理,2011,36(3):80-85.CHANG Kai-di,WANG Ping,LIU Wei-ping.Development status and application prospect of non-quenched tempered steel[J].Heat Treatment of Metals,2011,36(3):80-85.
• [4]董成瑞.微合金非调质钢[M].北京:冶金工业出版社,2000.
• [5]胡正寰,张康生,王宝雨,等.楔横轧零件成形技术与模拟仿真[M].北京:冶金工业出版社,2005,10-15.
• [6]刘文昌,郑炀曾,刘德富,等.45V非调质钢再结晶奥氏体的连续冷却转变[J].钢铁,1991,26(4):18,51-54.LIU Wen-chang,ZHENG Yang-zeng,LIU De-fu,et al.Continuous cooling transformation of recrystallized austenite for a V-microalloyed forging steel[J].Iron and Steel,1991,26(4):18,51-54.
• [7]张克勤.原奥氏体晶粒度对45V非调质钢连续冷却转变的影响[J].金属热处理,1999,24(8):8-9.ZHANG Ke-qin.Effect of austenite grain size on continuous cooling transformation of 45V-microalloyed forging steel[J].Heat Treatment of Metals,1999,24(8):8-9.
• [8]王敏婷,李学通,姜明昊,等.非调质钢40Mn V楔横轧热变形组织演变模型及数值模拟[J].材料热处理学报,2013,34(2):168-172.WANG Min-ting,LI Xue-tong,JIANG Ming-hao,et al.Numerical simulation and modeling of hot deformation microstructure evolution of a nonquenched and tempered steel in cross wedge rolling[J].Transactions of Materials and Heat Treatment,2013,34(2):168-172.
• [9]刘晓东.非调质钢空心轴三辊楔横轧热成形后冷却相变研究[D].秦皇岛:燕山大学,2008.LIU Xiao-dong.Study on the evolution of microstructure of non-quenched and tempered steel shafts in cooling process after three-roll cross-wedge rolling[D].Qinhuangdao:Yanshan University,2008.
• [10]何磊.热变形参数对16Mn2VB非调质钢力学性能的影响[J].材料开发与应用,2010,25(5):23-26.HE Lei.Effects of thermal deformation parameters on mechanical properties of 16Mn2VB steel[J].Material Development and Application,2010,25(5):23-26.
• [11]马文龙,王进,王宝平,等.F45V非调质钢动态再结晶模型及数值模拟[J].锻压技术,2013,38(2):138-142.MA Wen-long,WANG Jin,WANG Bao-ping,et al.Dynamic recrystallization model and numerical simulation for F45V non-quenched and tempered steel[J].Forging&Stamping Technology,2013,38(2):138-142.
• [12]曹杰,阎军,刘雅政,等.贝氏体非调质钢形变奥氏体连续冷却转变[J].热加工工艺,2012,41(12):7-9.CAO Jie,YAN Jun,LIU Ya-zheng,et al.Continuous cooling transformation of deformed austenite of non-quenched and tempered bainite steel[J].Hot Working Technology,2012,41(12):7-9.
• [13]程慧静,王福明,潘钊彬,等.Nb-V复合微合金化中碳非调质钢的连续冷却转变[J].材料热处理学报,2009,30(5):44-49.CHENG Hui-jing,WANG Fu-ming,PAN Zhao-bin,et al.Continuous cooling transformation of Nb-V microalloyed medium carbon non-quenched and tempered steels[J].Transactions of Materials and Heat Treatment,2009,30(5):44-49.

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