A review of research on banded structure control in low carbon alloy steel
YANG Yong-kun1, ZHU Jia-yu1, LI Xiao-ming1, WANG Yang1, ZHAN Dong-ping2
1. School of Metallurgical Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, Shaanxi, China; 2. School of Metallurgy, Northeastern University, Shenyang 110819, Liaoning, China
Abstract：Ferrite/pearlite banded structure is a common structural defect in the low carbon alloy steel during hot rolling process,which not only deteriorates the transverse plasticity and toughness of steel,but also seriously affects the service life of subsequent processed parts. In recent years,the control of banded structure has been one of the focuses of high-quality steel research. In order to fully understand the banded structure,the research status of banded structure formation mechanism,influencing factors,and control methods at domestic and foreign were reviewed. The control thought and direction of banded structure are pointed out,which will provide some inspiration and reference for future research. It is found that alloy element segregation is a necessary condition for the formation of banded structure,while ferrite nucleation,growth and diffusion of element C are the decisive conditions for the banded structure formation. The difference of ferrite nucleation rate between the element enrichment zone and depletion zone is the direct reason affecting the formation of banded structure. Increasing the cooling rate after hot rolling can not only reduce the difference of ferrite nucleation rate,but also reduce the diffusion distance of element C and inhibit the formation of banded structure. Moreover,the larger austenite grain size obtained by recrystallization can reduce the unit volume ferrite nucleation site,hinder the formation of ferrite growth plane,affect the continuity of element segregation band,and then destroy the formation of banded structure. However,the formation of widmanstatten structure at a faster cooling rate and the formation of coarse ferrite grains by the larger austenite grains transformation are not conducive to the matrix properties. In the solid-state phase transformation process,oxide metallurgy technology can regulate the formation of intragranular ferrite and the growth direction of proeutectoid ferrite,improve the anisotropy of microstructure and mechanical properties,and realize the control of banded structure.
杨永坤, 朱佳雨, 李小明, 王阳, 战东平. 低碳合金钢带状组织控制研究现状[J]. 钢铁, 2023, 58(4): 1-10.
YANG Yong-kun, ZHU Jia-yu, LI Xiao-ming, WANG Yang, ZHAN Dong-ping. A review of research on banded structure control in low carbon alloy steel[J]. Iron and Steel, 2023, 58(4): 1-10.
[1] 王斌,何燕萍,王昊杰,等. 航空齿轮钢16Cr3NiWMoVNbE的真空低压渗碳[J]. 材料研究学报,2020,34(1):35.(WANG Bin,HE Yan-ping,WANG Hao-jie,et al. Vacuum low-pressure carburization of gear steel 16Cr3NiWMoVNbE for aviation[J]. Chinese Journal of Materials Research,2020,34(1):35.) [2] 杨跃标,李宗强,邓深,等. 热轧钛微合金化高强钢低温冲击韧性的控制[J]. 钢铁,2021,56(3):41.(YANG Yue-biao,LI Zong-qiang,DENG Shen,et al. Low temperature impact toughness controlling for Ti-microalloyed high strength steel[J]. Iron and Steel,2021,56(3):41.) [3] 付培茂,曹永录,马瑞,等. 700 MPa级高强度低合金热轧铁素体钢带强化机制[J]. 钢铁,2016,51(3):78.(FU Pei-mao,CAO Yong-lu,MA Rui,et al. Strengthening mechanism of 700 MPa grade high strength low alloy hot rolled ferritic steel strip[J]. Iron and Steel,2016,51(3):78.) [4] 汤文馨,范王展,桂伟民,等. 连铸坯形对变速箱零部件热变形的影响[J]. 热处理技术与装备,2021,42(3):5.(TANG Wen-xin,FAN Wang-zhan,GUI Wei-min,et al. Influence of continuous casting billet shape on thermal deformation of gearbox part[J]. Heat Treatment Technology and Equipment,2021,42(3):5.) [5] Verhoeven J D. A review of microsegregation induced banding phenomena in steels[J]. Journal of Materials Engineering and Performance,2000,9(3):286. [6] Carpenter H C H,Robertson J M. The formation of ferrite from austenite[J]. Journal of the Iron and Steel Institute,1931,123:345. [7] 李博, 杨飞飞, 刘华松, 等. 凝固组织对高强耐蚀管带状缺陷的影响[J]. 钢铁, 2020, 55(3): 87.(LI Bo, YANG Fei-fei, LIU Hua-song, et al. Effect of solidification on banded defects of high strength corrosion resistant tubes[J]. Iron and Steel, 2020, 55(3): 87.) [8] Stead J E. Iron,carbon,and phosphorus[J]. Journal of the Iron and Steel Institute,1915,91:140. [9] Kirkaldy J S,Destinon-Forstmann J V,Brigham R J. Simulation of banding in steels[J]. Canadian Metallurgical Quarterly,1962,1(1):59. [10] 纪元,闵云峰,李鹏善,等. 钢中带状组织及其研究现状[J]. 中国冶金,2016,26(4):1.(JI Yuan,MIN Yun-feng,LI Peng-shan,et al. Research status of banding phenomena in steels[J]. China Metallurgy,2016,26(4):1.) [11] Bhadeshia H K H. Some difficulties in the theory of diffusion-controlled growth in substitutionally alloyed steels[J]. Current Opinion in Solid State Materials Science,2016,20(6):396. [12] Thompson S W,Howell P R. Factors influencing ferrite/pearlite banding and origin of large pearlite nodules in a hypoeutectoid plate steel[J]. Materials Science and Technology,1992,8(9):777. [13] Chen H,Zwaag S. An overview of the cyclic partial austenite-ferrite transformation concept and its potential[J]. Metallurgical and Materials Transactions A,2017,48(6):2720. [14] Zhang G H,Heo Y U,Song E J,et al. Kinetic transition during the growth of proeutectoid ferrite in Fe-C-Mn-Si quaternary steel[J]. Metals and Materials International,2013,19(2):153. [15] Goun'e M,Danoix F,Ågren J,et al. Overview of the current issues in austenite to ferrite transformation and the role of migrating interfaces therein for low alloyed steels[J]. Materials Science and Engineering R:Reports,2015,92:1. [16] Purdy G,Ågren J,Borgenstam A,et al. ALEMI:A ten-year history of discussions of alloying-element interactions with migrating interfaces[J]. Metallurgical and Materials Transactions A,2011,42(12):3703. [17] CHEN H,ZHU J,YANG Z,et al. Research progress on austenite/ferrite interface migration and element partitioning[J]. Metallography,2018,54(2):217. [18] Groterlinden R,Kawalla R,Lotter U,et al. Formation of pearlitic banded structures in ferritic-pearlitic steels[J]. Steel Research,1992,63(8):331. [19] 柳得橹,邵伟然,孙贤文,等. 钢的表面带状组织及其引起的冷弯裂纹[J]. 北京科技大学学报,2005,27(1):40.(LIU De-lu,SHAO Wei-ran,SUN Xian-wen,et al. The surface band structure of steel and its cold bending cracks[J]. Journal of University of Science and Technology Beijing,2005,27(1):40.) [20] 邢献强,曹文全,王存宇. 汽车悬架系统用55SiCr弹簧钢丝带状组织[J]. 钢铁,2020,55(3):68.(XING Xian-qiang,CAO Wen-quan,WANG Cun-yu. Bond structure of 55SiCr steel used for coil springs of automotive suspension system[J]. Iron and Steel,2020,55(3):68.) [21] 廖庆亮,程亚杰,孙斌堂,等. 二次带状组织对低合金非调质钢疲劳性能的影响[J]. 工程科学学报,2015,37(12):1581.(LIAO Qing-liang,CHENG Ya-jie,SUN Bin-tang,et al. Effect of secondary banded structure on the fatigue properties of non-quenched and tempered micro-alloyed steel[J]. Chinese Journal of Engineering,2015,37(12):1581.) [22] Celada C,Toda-Caraballo I,Kim B,et al. Chemical banding revealed by chemical etching in a cold-rolled metastable stainless steel[J]. Materials characterization,2013,84:142. [23] 纪元. 连铸坯偏析及其铸轧遗传性研究[D]. 北京:北京科技大学,2018.(JI Yuan. Segregation of Billet Castings and Its Heredity Effect on the Hot-Rolled Products[D]. Beijing:University of Science and Technology Beijing,2018.) [24] 张鹏,赵国仙,毕宗岳,等. 夹杂物和带状组织对管线钢腐蚀性能的影响[J]. 热加工工艺,2014,43(18): 34.(ZHANG Peng,ZHAO Guo-xian,BI Zong-yue,et al. Effect of inclusion and banded microstructure on corrosion performance of pipeline steel[J]. Hot Working Technology,2014,43(18):34.) [25] Krauss G. Solidification,segregation,and banding in carbon and alloy steels[J]. Metallurgical and Materials Transactions B,2003,34(6):781. [26] Grange R A. Effect of microstructural banding in steel[J]. Metallurgical Transactions,1971,2(2):417. [27] Krebs B,Germain L,Hazotte A,et al. Banded structure in dual phase steels in relation with the austenite-to-ferrite transformation mechanisms[J]. Journal of Materials Science,2011,46(21):7026. [28] 王璞,李少翔,陈列,等. 电磁搅拌对大圆坯结晶器冶金行为影响的探讨[J]. 钢铁,2019,54(8):82. (WANG Pu,LI Shao-xiang,CHEN Lie,et al. Investigation of mold metallurgical behavior under electromagnetic stirring for round bloom[J]. Iron and Steel,2019,54(8):82.) [29] REN B Z,CHEN D F,WANG H D,et al. Numerical simulation of fluid flow and solidification in bloom continuous casting mould with electromagnetic stirring[J]. Ironmaking and Steelmaking,2014,42(6):401. [30] YIN S K,LUO S,ZHANG W J,et al. Numerical simulation of macrosegregation in continuously cast gear steel 20CrMnTi with final electromagnetic stirring[J]. Journal of Iron and Steel Research International,2020,28(4):424. [31] 邵楠男,邹富康,仲红刚,等. PMO和冷却速率对5CrNiMoV热作模具钢凝固组织的影响[J]. 中国冶金,2021,31(10):23.(SHAO Nan-nan,ZOU Fu-kang,ZHONG Hong-gang,et al. Effect of POM treatment and cooling rate on solidification structure of 5CrNiMoV steel[J]. China Metallurgy,2021,31(10):23.) [32] 张炯明,周青海,尹延斌,等. 连铸板坯三维二冷动态配水与精准压下研究与应用[J]. 工程科学学报,2021,43(12):1666.(ZHANG Jiong-ming,ZHOU Qing-hai,YIN Yan-bin,et al. Research and application of three-dimensional dynamic secondary cooling and accurate soft reduction for continuous casting slab[J]. Chinese Journal of Engineering,2021,43(12):1666.) [33] 杨杰,姚海明,吕浩,等. 汽车用双相钢铸坯成分偏析的研究[J]. 连铸,2021(1):1.(YANG Jie,YAO Hai-ming,LÜ Hao,et al. Research of slab segregation of dual phase steel for automobiles[J]. Continuous Casting,2021(1):1.) [34] 潘文峰,蔡兆镇,王少波,等. 连铸板坯二冷高温区传热均匀性研究与优化[J]. 中国冶金,2021,31(8):23.(PAN Wen-feng,CAI Zhao-zhen,WANG Shao-bo,et al. Study and optimization of uniformity of continuous casting slab heat transfer in high temperature zones of secondary cooling[J]. China Metallurgy,2021,31(8):23.) [35] 饶金元,张孟昀,陈君,等. 轻压下改善42CrMo钢300 mm×400 mm大方坯内部质量的工艺实践[J]. 特殊钢,2022,43(1): 39.(RAO Jin-yuan,ZHANG Meng-jun,CHEN Jun,et al. Process plactice on improvement of internal quality of 300 mm×400 mm cast bloom of steel 42CrMo by soft reduction[J]. Special Steel,2022,43(1):39.) [36] Rauter W,Reiter J,Srienc K,et al. Soft reduction at a round bloom caster:Implementation and results[J]. BHM Berg-und Hüttenmnnische Monatshefte,2014,159(11):454. [37] Rogberg B,Ek L. Influence of soft reduction on the fluid flow,porosity and center segregation in CC high carbon-and stainless steel blooms[J]. ISIJ International,2018,58(3):478. [38] Fisher R M,Speich G R,Cuddy L J,et al. Phase transformations during steel production[C]//Physical Chemistry in Metallurgy:Proceedings of the Darken Conference. Pennsylvania:United States Steel Research Laboratory,1976:463. [39] Ward R G. Effect of annealing on the dendritic segregation of manganese in steel[J]. Journal of the Iron and Steel Institute,1965,203(9):930. [40] 刘成宝,窦圣朋,戈文英,等. 控制SAE8620H带状组织的连铸工艺[J]. 连铸,2014(1):11.(LIU Cheng-bao,DOU Sheng-peng,GE Wen-ying,et al. Continuous casting process for controlling banded microstructure of SAE8620H[J]. Continuous Casting,2014(1):11.) [41] Bastien P G. The mechanism of formation of banded structures[J]. Journal of the Iron and Steel Institute,1957,187(1-4):281. [42] Majka T F,Matlock D K,Krauss G. Development of microstructural banding in low-alloy steel with simulated Mn segregation[J]. Metallurgical and Materials Transactions A,2002,33(6):1627. [43] Azizi-Alizamini H,Maalekian M,Militzer M. Phase field modeling of microstructure banding in steels[J]. Metallurgical and Materials Transactions A,2016,47(1):608. [44] Zhu B,Militzer M. Phase-field modeling for intercritical annealing of a dual-phase steel[J]. Metallurgical and Materials Transactions A,2015,46(3):1073. [45] 蔡珍,黄运华,张跃,等. 冷却速度对铁素体-珠光体带状组织的影响机制[J]. 钢铁研究学报,2012,24(6):25.(CAI Zhen,HUANG Yun-hua,ZHANG Yue,et al. Mechanism of effect of cooling rate on ferrite/pearlite banded structure[J]. Journal of Iron and Steel Research,2012,24(6):25.) [46] Offerman S E,Van Dijk N H,Rekveldt M T,et al. Ferrite/pearlite band formation in hot rolled medium carbon steel[J]. Materials Science and Technology,2002,18(3):297. [47] 张延玲,刘海英,阮小江,等. 中低碳齿轮钢中合金元素的偏析行为及其对带状组织的影响[J]. 北京科技大学学报,2009,31(s1):199.(ZHANG Yan-ling,LIU Hai-ying,RUAN Xiao-jiang,et al. Microsegregation behaviors of alloy elements and their effects on the formation of banded structure in pinion steels[J]. Chinese Journal of Engineering,2009,31(s1):199.) [48] Samuels L E. Light Microscopy of Carbon Steel[M]. Ohio:ASM International,1999. [49] 刘源,许磊磊,赵庆权,等. 冷却速率和冷却温度对SA-210Cr. C钢中带状组织形成的影响[J]. 钢铁研究学报,2014,26(6):57.(LIU Yuan,XU Lei-lei,ZHAO Qing-quan,et al. Effect of colling rate and cooling temperature on the formation of banded structure SA-210Gr.C steel[J]. Journal of Iron and Steel Research,2014,26(6):57.) [50] 艾玉忠,刘璇,李彩云. 20CrMnTi热轧带钢带状组织的控制[J]. 轧钢,2021,38(6):91.(AI Yu-zhong,LIU Xuan,LI Cai-yun. Banded structure control of 20CrMnTi hot rolled strip[J]. Steel Rolling,2014,26(6):57.) [51] ZHAO Y,CHEN Y,ZUO X,et al. On the role of chemical banding and austenite grain size in microstructure evolutions and phase transformation kinetics of gear steels[J]. Construction and Building Materials,2022,356:129305. [52] 王爱霞. 钢中非金属夹杂物对显微组织的影响[J]. 宽厚板,2006,12(5):1.(WANG Ai-xia. Effect of nonmetallic inclusions in steel on banded structure[J]. Wide and Heavy Plate,2006,12(5):1.) [53] Krebs B,Germain L,Hazotte A,et al. Banded structure in dual phase steels in relation with the austenite-to-ferrite transformation mechanisms[J]. Journal of Materials Science,2011,46(21):7026. [54] LUO X,WANG Z D,CHEN X H,et al. Modifying of microstructure and toughness in the weld metal prepared by welding wire containing nanosized titanium oxides[J]. Materials Science and Engineering A,2021,807:140897. [55] Nagahara M,Fukami H. 530 N/mm2 tensile strength grade steel plate for multi-purpose gas carrier[J]. Nippon Steel Technical Report,2004,380:9. [56] DI X J,JI S X,CHENG F J,et al. Effect of cooling rate on microstructure,inclusions and mechanical properties of weld metal in simulated local dry underwater welding[J]. Materials and Design,2015,88: 505. [57] LI Y,WAN W Y,LU W Y,et al. Effect of Zr-Ti combined deoxidation on the microstructure and mechanical properties of high-strength low-alloy steels[J]. Materials Science and Engineering A,2016,659:179. [58] Zhang D,Terasaki H,Komizo Y I. In situ observation of the formation of intragranular acicular ferrite at non-metallic inclusions in C-Mn steel[J]. Acta Materialia,2010,58(4):1369. [59] Zhao H T,Palmiere E J. Effect of austenite deformation on the microstructure evolution and grain refinement under accelerated cooling conditions[J]. Metallurgical and Materials Transactions A,2017,48(7):3389. [60] 尚成嘉,胡良均,杨善武,等. 低碳微合金钢中针状铁素体的形成与控制[J]. 金属学报,2005,41(5): 471.(SHANG Cheng-jia,HU Liang-jun,YANG Shan-wu,et al. Forming and controlling of the acicular ferrite in low carbon microalloyed steel[J]. Acta Metallurgica Sinica,2005,41(5):471.) [61] YANG Y K,ZHAN D P,LEI H,et al. In situ observation of acicular ferrite nucleation and growth at different cooling rate in Ti-Zr deoxidized steel[J]. Metallurgical and Materials Transactions B,2019,50(6):2536. [62] YANG Y K,ZHAN D P,LEI H,et al. Coupling effect of prior austenite grain size and inclusion characteristics on acicular ferrite formation in Ti-Zr deoxidized low carbon steel[J]. Metallurgical and Materials Transactions B,2020,51(2):480. [63] YANG Y K,ZHAN D P,LEI H,et al. Formation of non-metallic inclusion and acicular ferrite in Ti-Zr deoxidized steel[J]. ISIJ International,2019,59(9):1545. [64] 杨永坤,战东平,姜周华,等. Zr处理对含Ti低碳微合金钢中氮化物的影响[J]. 东北大学学报(自然科学版),2021,42(12):1709.(YANG Yong-kun,ZHAN Dong-ping,JIANG Zhou-hua,et al. Effect of Zr treatment on nitride in low carbon Ti-microalloyed steels[J]. Journal of Northeastern University(Natural Science),2021,42(12):1709.) [65] REN C H,ZHANG X C,JI H W,et al. Effect of banded morphology and grain size on the tensile behavior of acicular ferrite in HSLA steel[J]. Materials Science and Engineering A,2017,705(29):394. [66] Li M V,Niebuhr D V,Meekisho L L,et al. A computational model for the prediction of steel hardenability[J]. Metallurgical and Materials Transactions B,1998,29(3):661. [67] 刘金源,陈远生,雷中钰,等. 运用ASTM E1268-01标准定量评定钢中显微带状组织[J]. 物理测试,2010,28(6):37.(LIU Jin-yuan,CHEN Yuan-sheng,LEI Zhong-yu,et al. Measuring banded microstructure in the steel using ASTME 1268-01 standard[J]. Physics Examination and Testing,2010,28(6):37.) [68] Khalid F A,Farooque M,ul Haq A,et al. Role of ferrite/pearlite banded structure and segregation on mechanical properties of microalloyed hot rolled steel[J]. Materials Science and Technology,1999,15(10):1209. [69] ZHANG X C,WANG Y,YANG J,et al. Deformation analysis of ferrite/pearlite banded structure under uniaxial tension using digital image correlation[J]. Optics and Lasers in Engineering,2016,85:24. [70] Ricks R A,Howell P R,Barritte G S. The nature of acicular ferrite in HSLA steel weld metals[J]. Journal of Materials Science,1982,17(3):732.
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