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王敏等:钢液中夹杂物粒径与全氧的关系 5 2]Tozawa H,Kato Y,Sorimachi K,et al.Agglomeration and flota- tion of alumina clusters in molten steel.IS//Int.,1999,39(5): 426 B]Ohta H,Suito H.Effects of dissolved oxygen and size distribution on particle coarsening of deoxidation product.IS//Int.,2006, 46(1):42 4]Doo W C,Kim D Y,Kang S C,et al.Measurement of the 2- dimensional fractal dimensions of alumina clusters formed in an ul- tra low carbon steel melt during RH process.IS/J Int,2007, 5e610m 47(7):1070 [5]Tang F P,Chang G H,Li H,et al.Inclusions in ultra-low carbon 图8脱氧初期钢中A山20夹杂形貌 steel.Iron Steel,2007.42(1)20 Fig.8 Morphology of Al20 inclusions at the early stage of deoxidation (唐复平,常桂华,栗红,等。超低碳钢钢中夹杂物的研究.钢 铁,2007,42(1):20) (2)随夹杂物粒径增大,累积全氧含量显著增加. [6]Goto H,Miyazawa K,Tanaka K.Effect of oxygen content on size 当夹杂物粒径达到10μm时,累积全氧基本稳定,粒径 distribution of oxides in steel.ISIJ Int.,1995,35(3):286 小于10um的夹杂物中氧含量与实测全氧有很好的对 ] Chen Z P,JiangZK,Li YD.Discussion on sampling site of total 应关系,全氧反映的是钢液中分布均匀的夹杂物的含 oxygen for cleanliness evaluation of steelmaking process.Meishan 量和水平. Technol,2010,3:34 (陈志平,江中块,李玉娣.炼钢钢质洁净度评价的全氧取样 (3)同一试样中全氧的检测存在超出检验误差的 位置探讨.梅山科技,2010,3:34) 波动,主要是由钢中分布不均匀的大颗粒夹杂物造成 8] Wang M,Bao Y P,Cui H,et al.The composition and morpholo- 的.大颗粒夹杂物含量越高则同一试样多次检测的波 gy evolution of oxide inclusions in Ti-bearing ultra low-arbon steel 动越大. melt refined in the RH process.ISIJ Int.,2010,50(11):1606 9] Zhu Y J,LiSJ.Deng Y.Effect of sample treatment on determi- 参考文献 nation results of micro amounts of oxygen,nitrogen and hydrogen [Basu S,Choudhary S K,Girase N U.Nozzle clogging behavior of in metals.Metall Anal,2008,28(8):40 Ti-earing Al-killed ultra low carbon steel.ISIJ Int.2004 (朱跃进,李素娟,邓羽.样品制备对金属中微量氧、氮、氢分 44(10):1653 析结果的影响.治金分析,2008,28(8):40)王 敏等: 钢液中夹杂物粒径与全氧的关系 图 8 脱氧初期钢中 Al2O3夹杂形貌 Fig. 8 Morphology of Al2O3 inclusions at the early stage of deoxidation ( 2) 随夹杂物粒径增大,累积全氧含量显著增加. 当夹杂物粒径达到 10 μm 时,累积全氧基本稳定,粒径 小于 10 μm 的夹杂物中氧含量与实测全氧有很好的对 应关系,全氧反映的是钢液中分布均匀的夹杂物的含 量和水平. ( 3) 同一试样中全氧的检测存在超出检验误差的 波动,主要是由钢中分布不均匀的大颗粒夹杂物造成 的. 大颗粒夹杂物含量越高则同一试样多次检测的波 动越大. 参 考 文 献 [1] Basu S,Choudhary S K,Girase N U. Nozzle clogging behavior of Ti-bearing Al-killed ultra low carbon steel. ISIJ Int. ,2004, 44( 10) : 1653 [2] Tozawa H,Kato Y,Sorimachi K,et al. Agglomeration and flota￾tion of alumina clusters in molten steel. ISIJ Int. ,1999,39( 5) : 426 [3] Ohta H,Suito H. Effects of dissolved oxygen and size distribution on particle coarsening of deoxidation product. ISIJ Int. ,2006, 46( 1) : 42 [4] Doo W C,Kim D Y,Kang S C,et al. Measurement of the 2- dimensional fractal dimensions of alumina clusters formed in an ul￾tra low carbon steel melt during RH process. ISIJ Int,2007, 47( 7) : 1070 [5] Tang F P,Chang G H,Li H,et al. Inclusions in ultra-low carbon steel. Iron Steel,2007,42( 1) : 20 ( 唐复平,常桂华,栗红,等. 超低碳钢钢中夹杂物的研究. 钢 铁,2007,42( 1) : 20) [6] Goto H,Miyazawa K,Tanaka K. Effect of oxygen content on size distribution of oxides in steel. ISIJ Int. ,1995,35( 3) : 286 [7] Chen Z P,Jiang Z K,Li Y D. Discussion on sampling site of total oxygen for cleanliness evaluation of steelmaking process. Meishan Technol,2010,3: 34 ( 陈志平,江中块,李玉娣. 炼钢钢质洁净度评价的全氧取样 位置探讨. 梅山科技,2010,3: 34) [8] Wang M,Bao Y P,Cui H,et al. The composition and morpholo￾gy evolution of oxide inclusions in Ti-bearing ultra low-carbon steel melt refined in the RH process. ISIJ Int. ,2010,50( 11) : 1606 [9] Zhu Y J,Li S J,Deng Y. Effect of sample treatment on determi￾nation results of micro amounts of oxygen,nitrogen and hydrogen in metals. Metall Anal,2008,28( 8) : 40 ( 朱跃进,李素娟,邓羽. 样品制备对金属中微量氧、氮、氢分 析结果的影响. 冶金分析,2008,28( 8) : 40) ·5·
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