,1568 北京科技大学学报 第31卷 用;而其他两个部位的氧化皮厚度不如边部的厚,缺 (王银军,董汉君,穆海玲,等。卷曲后的热轧带钢氧化铁皮显 陷较多,对基体和环境的屏蔽作用不如边部取样位 微分析.中国治金,2007,17(10):40) 置氧化皮的好. [3]Zhang MY,Shao G J.Effect of microstructure of oxide scales on pickling of hot rolled strips.Shanghai Met.2007.29(3):41 0.6F (张孟仪,郡光杰.热轧板的氧化皮结构对酸洗效果的影响 一(a)边部 上海金属,2007,29(3):41) 0.2 b)1/4处 ·-(c)中心 [4]Yan B.Wang X L.Jiao S H.Investigation on oxide scale and surface roughness of strip steel hot-rolled in CSP.Steel Rolling. >02 2009,26(1):10 (闫博,王雪莲,焦四海.CSP热轧钢板氧化皮与表面粗糙度 0.6 的研究.轧钢,2009,26(1):10) [5]Chen R Y.Yuen W Y D.Review of the hightemperature oxida- tion of iron and carbon steels in air or oxygen.Oxid Met.2003. 59(5/6):433 14 54-3-2 gAcm】 [6]Zhang H M.The Study of SPHC Oxide Scale Processing by CSP [Dissertation].Kunming:Kunming University of Science and 图7SS00不同取样部位的极化曲线 Technology.2006 Fig.7 Polarization curves at different parts of SS400 samples (章华明.CSP生产SPHC氧化皮研究[学位论文]昆明:昆明 理工大学,2006) 表3SS400不同取样部位腐蚀电位和腐蚀电流 [7]WuZ M.Oxide causes and countermeasures of hot-rolled strip Table 3 Corrosion potential and corrosion current at different parts of Meishan Sci Technol.2006(3):10 SS400 samples (吴祝民热轧带钢氧化皮的成因及对策.梅山科技,2006(3): 部位 Eo/mV vs.SCE icn/(mA 'cm2) 10) [8]Sun W H.Tieu A K.Jiang Z Y,et al.High temperature oxide 边部 -454.54 0.00695 scale characteristics of low carbon steel in hot rolling.J Mater 1/A处 -482.02 0.00833 Process Technol,2004,155/156:1307 中心 -702.03 0.00895 [9]Zhang M Y,Shao G J.Characterization and properties of oxide scales on hot-rolled strips.Mater Sci Eng A,2007.452-453; 189 3 结论 [10]Higginson RL.Roebuck B.Palmiere E J.Texture development in oxide scales on steel substrates.Scripta Mater,2002.47: (1)热轧带钢在卷曲后由于供氧的差异导致边 337 部取样位置的氧化皮与基体结合最紧密,厚度较厚, [11]Chen R Y.Review of the high temperature oxidation of iron and 缺陷较少,氧化皮对基体具有较好的保护作用;中心 carbon steels in air or oxygen.Oxid Met.2003.59:455 部位的氧化皮相对较差, [12]Gleeson B.HadaviS MM.Young D J.Isothermal transforma- tion behavior of thermally grown wustite.Meter High Temp, (2)由于供氧的差异SS400板宽边部和板宽 2000,17(2):311 1/4处的主要成分为Fe304、Fe203和Fe,比板宽中 [13]Torresa M.Colas R.A model for heat conduction through the 心位置(主要成分为Fe3O:和Fe)的耐蚀性能更好, oxide layer of steel during hot rolling.Mater Process Technol. (③)随着取样部位从中心向板宽边部移动,试 2000.105.258 样的腐蚀电位正移,腐蚀电流下降, [14]Zhang H M.Qi GT,Dai J B.et al.The effect of high temper- ature oxide scales on steel surface to matrix's corrosion.Mater Prot,1995,28(6):24 参考文献 (张华民,齐公台,戴金彪,等.钢铁表面高温氧化皮对基体钢 [1]Abuluwefa H.Cuthrie R I L.Aiersch F.The effect of oxygen 腐蚀的影响.材料保护,1995,28(6):24) concentration on the oxidation of low -carbon steel in the tempera [15]He A H.The Effect of Oxide Film on the Electrochemical Cor- ture ranging 1000C to 1250C.Oxid Met.2006.46:423 rosion Behaviors of Hot Rolled Steel [Dissertation]Qingdao: [2]Wang Y J.Dong H J.Mu H L.et al.Analysis on scale mi- Ocean University of China.2007 crostructure of hot rolled strip after coiling China Metall,2007. (何爱花,热轧钢板氧化膜对基体碳钢腐蚀电化学行为的影 17(10):40 响[学位论文]青岛:中国海洋大学,2007)用;而其他两个部位的氧化皮厚度不如边部的厚缺 陷较多对基体和环境的屏蔽作用不如边部取样位 置氧化皮的好. 图7 SS400不同取样部位的极化曲线 Fig.7 Polarization curves at different parts of SS400samples 表3 SS400不同取样部位腐蚀电位和腐蚀电流 Table3 Corrosion potential and corrosion current at different parts of SS400samples 部位 Ecorr/mV vs.SCE icorr/(mA·cm —2) 边部 —454∙54 0∙00695 1/4处 —482∙02 0∙00833 中心 —702∙03 0∙00895 3 结论 (1) 热轧带钢在卷曲后由于供氧的差异导致边 部取样位置的氧化皮与基体结合最紧密厚度较厚 缺陷较少氧化皮对基体具有较好的保护作用;中心 部位的氧化皮相对较差. (2) 由于供氧的差异 SS400板宽边部和板宽 1/4处的主要成分为 Fe3O4、Fe2O3 和 Fe比板宽中 心位置(主要成分为 Fe3O4 和 Fe)的耐蚀性能更好. (3) 随着取样部位从中心向板宽边部移动试 样的腐蚀电位正移腐蚀电流下降. 参 考 文 献 [1] Abuluwefa HGuthrie R I LAiersch F.The effect of oxygen concentration on the oxidation of low-carbon steel in the temperature ranging1000℃ to1250℃.Oxid Met200646:423 [2] Wang Y JDong H JMu H Let al.Analysis on scale microstructure of hot rolled strip after coiling.China Metall2007 17(10):40 (王银军董汉君穆海玲等.卷曲后的热轧带钢氧化铁皮显 微分析.中国冶金200717(10) :40) [3] Zhang M YShao G J.Effect of microstructure of oxide scales on pickling of hot rolled strips.Shanghai Met200729(3):41 (张孟仪邵光杰.热轧板的氧化皮结构对酸洗效果的影响. 上海金属200729(3):41) [4] Yan BWang X LJiao S H.Investigation on oxide scale and surface roughness of strip steel hot-rolled in CSP.Steel Rolling 200926(1):10 (闫博王雪莲焦四海.CSP 热轧钢板氧化皮与表面粗糙度 的研究.轧钢200926(1):10) [5] Chen R YYuen W Y D.Review of the high-temperature oxidation of iron and carbon steels in air or oxygen.Oxid Met2003 59(5/6):433 [6] Zhang H M.The Study of SPHC Oxide Scale Processing by CSP [Dissertation ].Kunming:Kunming University of Science and Technology2006 (章华明.CSP 生产 SPHC 氧化皮研究[学位论文].昆明:昆明 理工大学2006) [7] Wu Z M.Oxide causes and countermeasures of hot-rolled strip. Meishan Sci Technol2006(3):10 (吴祝民.热轧带钢氧化皮的成因及对策.梅山科技2006(3): 10) [8] Sun W HTieu A KJiang Z Yet al.High temperature oxide scale characteristics of low carbon steel in hot rolling.J Mater Process Technol2004155/156:1307 [9] Zhang M YShao G J.Characterization and properties of oxide scales on hot-rolled strips.Mater Sci Eng A2007452—453: 189 [10] Higginson R LRoebuck BPalmiere E J.Texture development in oxide scales on steel substrates.Scripta Mater200247: 337 [11] Chen R Y.Review of the high-temperature oxidation of iron and carbon steels in air or oxygen.Oxid Met200359:455 [12] Gleeson BHadavi S M MYoung D J.Isothermal transformation behavior of thermally-grown wustite. Meter High Temp 200017(2):311 [13] Torresa MColas R.A model for heat conduction through the oxide layer of steel during hot rolling.J Mater Process Technol 2000105:258 [14] Zhang H MQi G TDai J Bet al.The effect of high temperature oxide scales on steel surface to matrix’s corrosion.Mater Prot199528(6):24 (张华民齐公台戴金彪等.钢铁表面高温氧化皮对基体钢 腐蚀的影响.材料保护199528(6):24) [15] He A H.The Ef fect of Oxide Film on the Electrochemical Corrosion Behaviors of Hot Rolled Steel [Dissertation ].Qingdao: Ocean University of China2007 (何爱花.热轧钢板氧化膜对基体碳钢腐蚀电化学行为的影 响[学位论文].青岛:中国海洋大学2007) ·1568· 北 京 科 技 大 学 学 报 第31卷