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分转变的等温转变曲线(TTT)、连续冷却转变曲线(CCT)和等径转变曲线(TDT)的概念 及应用。预报了管线钢夹杂物尺寸、加热温度、硫含量和冷却速率对钢中非金属夹杂物成分转变 行为的影响,为钢液凝固和冷却过程、固体钢加热过程中夹杂物的转变提供理论指导: (2)计算了重轨钢中夹杂物成分的TTT转变,研究了连铸坯在不同加热温度下,钢中夹杂物的成 分转变。当温度恒定时,随着反应的进行,夹杂物的转变分数逐渐增大:温度越低,夹杂物开 始反应和完全反应的时间越长: (3)研究了固体管线钢中等直径夹杂物成分随着加热温度的变化,加热温度越高,夹杂物成分达到 稳定态所需时间就越短,选择合适的加热温度对于促进或者抑制加热过程夹杂物成分的转变具 有十分重要的作用。 (4)研究冷却速率和重轨钢中夹杂物成分的关系,当冷却速率小于1.5Ks1时,CaO和CaS之间 发生了明显的反应:冷速在1.5Ks-1至6Ks-1时夹杂物的成分转变不明显:当冷速大于6Ks- 1时,夹杂物的成分几乎不发生变化,处于稳定的状态。夹杂物中CaO和CS成分的变化符合 S型逻辑关系式 致谢 本文作者感谢国家自然科学基金(资助号:U1860206、51725402)和河北省省级科技计划资助(项 目号:20591001D)、燕山大学高钢中心(HSC)、河北省先进制造用高品质钢铁材料制备与应用技术创 新中心、河北省先进制造用高品质钢铁材料开发与智能制造国际联合研究九心、先进制造用高品质钢 铁材料开发与智能制造北京市国际科技合作基地(ICSM)和北京科技大学高品质钢研究中心HQSC) 的资助。 参考文献 [1]Zhang L F.State of the art in the control of inclusions in tire cord steels-a review.Sree/Res.Int.,2006,77(3):158 [2]Hu Y,Chen WQ,Han H B,et al.Influence of calcium treatment on cleanness and fatigue life of 60Si2MnA spring steel Ironmak.Steelmak.,2017,44(1):28 [3]Li L.Influence of non-metallic inclusions on quality of contingous casting billet.Shandong Metall.,2021,43(04):21 (李玲.非金属夹杂物对连铸坯质量的影响.山东冶金,202X,4304)21) [4]Zhang L F.Discussion on the index of steel cleanliness.Stee/mak 2019,35(03):1 (张立峰.关于钢洁净度指数的讨论.炼钢,2019,35(03):1 [5]Williams CA,Unifantowicz P,Baluc N,et al.The formation and evolution of oxide particles in oxide-dispersion- strengthened ferritic steels during processing.Acta Mater 2013,61(6):2219 [6]Shi W N,Yang S F,Li J S.Correlation between evolution of inclusions and pitting corrosion in 304 stainless steel with yttrium addition.Sci.Rep.,2018,8(1):1 7]Harada A,MaruokaN,Shibata H,A kinetidmodel to predict the compositions of metal,slag and inclusions during ladle refining:Part 1.Basic concept and application.ISI/Int.,2013,53(12):2110 [8]Zhang L F.Non-metallic Inclusions in Steels:Fundamentals(in Chinese).Beijing:Metallurgical Industry Press,2019 (张立峰.钢中非金属夹杂物.北京:治金工业出版社,2019) [9]Zhang L F.Non-metallic Inclusions in Steels:Industrial Practice (in Chinese).Beijing:Metallurgical Industry Press, 2019 (张立峰.钢中非金属夹杂物:工业实践.北京:冶金工业出版社,2019) [10]Ren Y,Zhang LE LiSS.Transient evolution of inclusions during calcium modification in linepipe steels.ISI/Int., 2014,5412)2772 [11]Ren Y.Control of inclusions in 304 stainless steels [Dissertation].Beijing:University of Science and Technology Beijing.2017 (任英.304不锈钢中夹杂物的控制[学位论文],北京科技大学,2017) [12]Zhang L F,Liu Y,Zhang Y,et al.Transient evolution of nonmetallic inclusions During calcium treatment of molten steel.Metall.Mater:Trans.B.2018.49(4):1 [13]Wu D R,Tang H L,Li Y H,et al.Effects of ladle top slag modification treatment on inclusion and electromagnetic properties of non-oriented electrical steels.Electrical Mater:,2016,(1):3 (吴德润,唐洪乐,李玉华,等.钢包顶渣改性对无取向电工钢夹杂物和磁性能的影响.电工材料,2016,(1):3) [14]Zhang H J,Han C M,Liu N.Study on pertinence of refining slag and inclusions of rail steel.Sci.Tech.Baotou Steel, 2020.46(5):1 (张怀军,韩春鹏,刘南.重轨钢精炼渣与夹杂物相关性研究.包钢科技,2020,46(5):1) [15]Itoh H,Hino M,Ban-Ya S.Thermodynamics on the formation of spinel nonmetallic inclusion in liquid steel.Metall. Mater:Trans.B,1997,28(5):953分转变的等温转变曲线(TTT)、连续冷却转变曲线(CCT)和等径转变曲线(TDT)的概念 及应用。预报了管线钢夹杂物尺寸、加热温度、硫含量和冷却速率对钢中非金属夹杂物成分转变 行为的影响,为钢液凝固和冷却过程、固体钢加热过程中夹杂物的转变提供理论指导; (2) 计算了重轨钢中夹杂物成分的 TTT 转变,研究了连铸坯在不同加热温度下,钢中夹杂物的成 分转变。当温度恒定时,随着反应的进行,夹杂物的转变分数逐渐增大;温度越低,夹杂物开 始反应和完全反应的时间越长; (3) 研究了固体管线钢中等直径夹杂物成分随着加热温度的变化,加热温度越高,夹杂物成分达到 稳定态所需时间就越短,选择合适的加热温度对于促进或者抑制加热过程夹杂物成分的转变具 有十分重要的作用。 (4) 研究冷却速率和重轨钢中夹杂物成分的关系,当冷却速率小于 1.5 Ks-1 时,CaO 和 CaS 之间 发生了明显的反应;冷速在 1.5 Ks-1 至 6 Ks-1 时夹杂物的成分转变不明显;当冷速大于 6 Ks- 1 时,夹杂物的成分几乎不发生变化,处于稳定的状态。夹杂物中 CaO 和 CaS 成分的变化符合 S 型逻辑关系式 致 谢 本文作者感谢国家自然科学基金(资助号:U1860206、51725402)和河北省省级科技计划资助(项 目号: 20591001D)、燕山大学高钢中心(HSC)、河北省先进制造用高品质钢铁材料制备与应用技术创 新中心、河北省先进制造用高品质钢铁材料开发与智能制造国际联合研究中心、先进制造用高品质钢 铁材料开发与智能制造北京市国际科技合作基地(ICSM)和北京科技大学高品质钢研究中心(HQSC) 的资助。 参 考 文 献 [1] Zhang L F. State of the art in the control of inclusions in tire cord steels-a review. Steel Res. Int., 2006, 77(3): 158 [2] Hu Y, Chen W Q, Han H B, et al. Influence of calcium treatment on cleanness and fatigue life of 60Si 2MnA spring steel. Ironmak. Steelmak., 2017, 44(1): 28 [3] Li L. Influence of non-metallic inclusions on quality of continuous casting billet. Shandong Metall., 2021, 43(04): 21 (李玲. 非金属夹杂物对连铸坯质量的影响. 山东冶金, 2021, 43(04): 21) [4] Zhang L F. Discussion on the index of steel cleanliness. Steelmak., 2019, 35(03): 1 (张立峰. 关于钢洁净度指数的讨论. 炼钢, 2019, 35(03): 1) [5] Williams C A, Unifantowicz P, Baluc N, et al. The formation and evolution of oxide particles in oxide-dispersion￾strengthened ferritic steels during processing. Acta Mater., 2013, 61(6): 2219 [6] Shi W N, Yang S F, Li J S. Correlation between evolution of inclusions and pitting corrosion in 304 stainless steel with yttrium addition. Sci. Rep., 2018, 8(1): 1 [7] Harada A, Maruoka N, Shibata H, et al. A kinetic model to predict the compositions of metal, slag and inclusions during ladle refining: Part 1. Basic concept and application. ISIJ Int., 2013, 53(12): 2110 [8] Zhang L F. Non-metallic Inclusions in Steels: Fundamentals (in Chinese). Beijing: Metallurgical Industry Press, 2019 (张立峰. 钢中非金属夹杂物. 北京: 冶金工业出版社, 2019) [9] Zhang L F. Non-metallic Inclusions in Steels: Industrial Practice (in Chinese). Beijing: Metallurgical Industry Press, 2019 (张立峰. 钢中非金属夹杂物:工业实践. 北京: 冶金工业出版社, 2019) [10] Ren Y, Zhang L F, Li S S. Transient evolution of inclusions during calcium modification in linepipe steels. ISIJ Int., 2014, 54(12): 2772 [11] Ren Y. Control of inclusions in 304 stainless steels [Dissertation]. Beijing: University of Science and Technology Beijing, 2017 (任英. 304 不锈钢中夹杂物的控制 [学位论文], 北京科技大学, 2017) [12] Zhang L F, Liu Y, Zhang Y, et al. Transient evolution of nonmetallic inclusions During calcium treatment of molten steel. Metall. Mater. Trans. B, 2018, 49(4): 1 [13] Wu D R, Tang H L, Li Y H, et al. Effects of ladle top slag modification treatment on inclusion and electromagnetic properties of non-oriented electrical steels. Electrical Mater., 2016, (1): 3 (吴德润, 唐洪乐, 李玉华, 等. 钢包顶渣改性对无取向电工钢夹杂物和磁性能的影响. 电工材料, 2016, (1): 3) [14] Zhang H J, Han C M, Liu N. Study on pertinence of refining slag and inclusions of rail steel. Sci.Tech. Baotou Steel, 2020, 46(5): 1 (张怀军, 韩春鹏, 刘南. 重轨钢精炼渣与夹杂物相关性研究. 包钢科技, 2020, 46(5): 1) [15] Itoh H, Hino M, Ban-Ya S. Thermodynamics on the formation of spinel nonmetallic inclusion in liquid steel. Metall. Mater. Trans. B, 1997, 28(5): 953 录用稿件,非最终出版稿
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