王禹程,李阳,孙萌,毛昀惬,李天赐,姜周华

• 1:东北大学冶金学院

摘要(Abstract)：

采用DIL805相变仪测定了未添加Ce和Ce含量为240×10~(-6)的F38MnVS非调质钢在不同冷却速度下的膨胀曲线，并结合金相-硬度法绘制了其连续冷却转变曲线(CCT曲线),研究了Ce对其CCT曲线的影响。结果表明：Ce的加入使F38MnVS钢的相变临界点A_(c1)、A_(c3)降低，减少了先共析铁素体的数量，增加了珠光体和粒状贝氏体的数量，细化了板条状马氏体，使铁素体、珠光体和贝氏体的转变区域变大，马氏体转变区域变小，CCT曲线左移。

关键词(KeyWords)： 稀土Ce;F38MnVS非调质钢;CCT曲线;显微组织;显微硬度

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(52074075);; 辽宁省科技计划联合计划(2023JH2/101700302)

作者(Author): 王禹程,李阳,孙萌,毛昀惬,李天赐,姜周华

DOI: 10.13289/j.issn.1009-6264.2024-0212

参考文献(References)：

• [1] 蒋波，冯奕洁，王芝林，等.汽车用铁素体-珠光体型非调质钢研究现状[J].钢铁，2023,58(3):11-24.JIANG Bo,FENG Yi-jie,WANG Zhi-lin,et al.Research status of ferritic-pearlescent non-quenched and tempered steel for automobiles[J].Iron and Steel,2023,58(3):11-24.
• [2] 刘洁，吴丹，杨秀娟，等.非调质钢的研究现状及发展趋势[J].热加工工艺，2021,50(23):1-6.LIU Jie,WU Dan,YANG Xiu-juan,et al.Research status and development trend of non-quenched and tempered steel[J].Hot Working Technology,2021,50(23):1-6.
• [3] Luo Y,Peng J M,Wang H B,et al.Effect of tempering on microstructure and mechanical properties of a non-quenched bainitic steel[J].Materials Science and Engineering A,2010,527(15):3433-3437.
• [4] 刘雪娜，毕洪志，杨晓枝，等.非调质钢F38MnVS生产实践[J].汽车工艺与材料，2014(12):29-32.LIU Xue-na,BI Hong-zhi,YANG Xiao-zhi,et al.Production practice of non-quenched and tempered steel F38MnVS[J].Automotive Technology and Materials,2014(12):29-32.
• [5] 吴玮.汽车零部件用非调质钢的应用和发展[J].世界钢铁，2009,9(4):62-68.WU Wei.Application and development of non-quenched and tempered steel for auto parts[J].World Iron & Steel,2009,9(4):62-68.
• [6] 荣莎莎，黄杨.F38MnVS棒材缺陷分析与改进[J].金属材料与冶金工程，2022,50(1):34-39.RONG Sha-sha,HUANG Yang.F38MnVS bar defect analysis and improvement[J].Metal Materials and Metallurgy Engineering,2022,50(1):34-39.
• [7] 李祥龙，陈远生，林晏民，等.46MnVS5钢奥氏体连续冷却转变研究[J].南方金属，2023(6):1-5.LI Xiang-long,CHEN Yuan-sheng,LIN Yan-min,et al.Research on austenite continuous cooling transformation of 46MnVS5 steel[J].Southern Metals,2023(6):1-5.
• [8] 李红英，王法云，曾翠婷，等.3Cr2Mo钢CCT曲线的测定与分析[J].中南大学学报(自然科学版),2011,42(7):1928-1933.LI Hong-ying,WANG Fa-yun,ZENG Cui-ting,et al.Determination and analysis of CCT curve of 3Cr2Mo steel[J].Journal of Central South University (Science and Technology),2011,42(7):1928-1933.
• [9] 廉晓洁，成生伟，周杰，等.20Cr1Mo1V钢CCT曲线的测定与分析[J].热加工工艺，2014,43(20):28-30.LIAN Xiao-jie,CHENG Sheng-wei,ZHOU Jie,et al.Determination and analysis of CCT curve of 20Cr1Mo1V steel[J].Hot Working Technology,2014,43(20):28-30.
• [10] 林慧国.钢的奥氏体转变曲线[M].北京：机械工业出版社，1988.LIN Hui-guo.Austenite Transformation Curve of Steel[M].Beijing:Machinery Industry Press,1988.
• [11] 谢丁，代璐蔚，陈元芳.38MnVTi非调质钢的CCT曲线的测定与分析[J].热加工工艺，2019,48(14):30-32.XIE Ding,DAI Lu-wei,CHEN Yuan-fang.Determination and analysis of CCT curve of 38MnVTi non-quenched and tempered steel[J].Hot Working Technology,2019,48(14):30-32.
• [12] 邓为豪，王杰，蒲欢，等.9310钢的CCT曲线测定与分析[J].材料热处理学报，2023,44(7):166-173.DENG Wei-hao,WANG Jie,PU Huan,et al.Determination and analysis of CCT curve of 9310 steel[J].Transactions of Materials and Heat Treatment,2023,44(7):166-173.
• [13] 张念，陈章明，赵红强，等.38MnSiVS5非调质钢的CCT曲线测定与分析[J].特殊钢，2022,43(1):82-85.ZHANG Nian,CHEN Zhang-ming,ZHAO Hong-qiang,et al.Determination and analysis of CCT curve of 38MnSiVS5 non-quenched and tempered steel[J].Special Steel,2022,43(1):82-85.
• [14] 李红英，丁常伟，张希旺，等.16MnR钢奥氏体连续冷却转变曲线(CCT图)[J].材料科学与工程学报，2007(5):727-730.LI Hong-ying,DING Chang-wei,ZHANG Xi-wang,et al.Austenite continuous cooling transformation curve of 16MnR steel (CCT chart)[J].Journal of Materials Science and Engineering,2007(5):727-730.
• [15] 刘洁，徐乐，史超，等.稀土Ce对非调质钢中硫化物特征及微观组织的影响[J].金属学报，2022,58(3):365-374.LIU Jie,XU Le,SHI Chao,et al.Effect of rare earth Ce on sulfide characteristics and microstructure in non-quenched and tempered steel[J].Acta Metallurgica Sinica,2022,58(3):365-374.
• [16] 李文学，刘宗昌.微合金化稀土对结构钢相变及组织的影响[J].包头钢铁学院学报，1993(1):35-41.LI Wen-xue,LIU Zong-chang.Effect of microalloyed rare earth on phase transformation and microstructure of structural steels[J].Journal of Baotou Institute of Iron and Steel,1993(1):35-41.
• [17] 计云萍，刘宗昌，王海燕，等.钢中固溶稀土对过冷奥氏体转变的影响[J].热加工工艺，2015,44(24):113-115.JI Yun-ping,LIU Zong-chang,WANG Hai-yan,et al.Effect of solid solution rare earth in steel on supercooled austenite transformation[J].Hot Working Technology,2015,44(24):113-115.
• [18] 刘晓.稀土Ce对2Cr13不锈钢组织和性能的影响[D].包头：内蒙古科技大学，2007.LIU Xiao.Effect of rare earth Ce on microstructure and properties of 2Cr13 stainless steel[D].Baotou:Inner Mongolia University of Science and Technology,2007.
• [19] 方鸿生，白秉哲，郑秀华，等.粒状贝氏体和粒状组织的形态与相变[J].金属学报，1986(4):5-10.FANG Hong-sheng,BAI Bing-zhe,ZHENG Xiu-hua,et al.Morphology and phase transition of granular bainite and granular structure[J].Acta Metallica Sinica,1986(4):5-10.
• [20] 樊明强，热处理工艺对H13钢组织性能影响规律的研究[D].石家庄：河北科技大学，2016.FAN Ming-qiang,Research on the effect of heat treatment process on the microstructure and properties of H13 steel[D].Shijiazhuang:Hebei University of Science and Technology,2016.
• [21] 董海英，胡丽娟，梁婉怡，等.稀土Ce对316L不锈钢耐腐蚀性能的影响[J].腐蚀科学与防护技术，2018,30(5):489-495.DONG Hai-ying,HU Li-juan,LIANG Wan-yi,et al.Effect of rare earth Ce on the corrosion resistance of 316L stainless steel[J].Corrosion Science and Protection Technology,2018,30(5):489-495.
• [22] Zhuo C,Liu R,Zhao Z,et al.Effect of rare earth cerium content on manganese sulfide in U75V heavy rail steel[J].Metals,2022,12(6):1012.
• [23] Li Y,Yang G,Jiang Z H,et al.Effects of Ce on the microstructure and properties of 27Cr-3.8Mo-2Ni super-ferritic stainless steels[J].Ironmaking & Steelmaking,2018,47:67-76.
• [24] 徐祺昊，杨礼林，夏明，等.稀土Ce对H13钢CCT曲线的影响[J].金属热处理，2022,47(7):197-202.XU Qi-hao,YANG Li-lin,XIA Ming,et al.Effect of rare earth Ce on the CCT curve of H13 steel[J].Heat Treatment of Metals,2022,47(7):197-202.
• [25] 郭飞，郑成武，王培，等.稀土元素对低碳钢中奥氏体-铁素体相变动力学的影响[J].材料研究学报，2023,37(7):495-501.GUO Fei,ZHENG Cheng-wu,WANG Pei,et al.Effect of rare earth elements on the kinetics of austenite-ferrite transformation in low carbon steel[J].Chinese Journal of Materials Research,2023,37(7):495-501.

文章评论(Comment)：