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Vol.31 Suppl.1 余健等:管线钢中典型夹杂物的热力学分析 .99. (5):155 4结论 [6]Korousic B.Fudamental thermodynamic aspect of the Cao-Al2Os SiO2 system.Steel Res,1991.19(4):285 (1)随着钢液温度的降低,“液窗”区域逐渐变小 [7]Li H B.Research on Control of Non-metal Inclusion in Ultra 并向下移动,以[A]=0.03%为例,管线钢中C low Structural Alloy Steel[Dissertation Beijing:Beijing:Uni- 在区间为[1.9×10-9,25.4×10-9]时钙处理产物 versity of Science and Technology Beijing.2008:51 为液态; (李海波,超低氧合金结构钢中非金属夹杂物的控制研究[学 (2)在钙铝酸盐生成的“液窗”中,随着钢液中 位论文].北京:北京科技大学,2008:51) [A]含量的增加,可以共存的[S]含量降低,生成 [8]Huang XG.Principle of Ferrous Metallurgy.Beijing:Metallur- gy Industry Press,1997:250 C2A7时可以共存的[S]含量高于生成C3A时的[S] (黄希诂·钢铁治金原理.北京:冶金工业出版社,1997:250) 含量; [9]Cheng E P.Calculate method and empirical formula of melt point (3)钢液温度从1873到1793K,钢液中可以和 in ferrous-based,nickel-based and cobalt-based alloy.Special [A1]共存的[S]快速下降.当[A1]=0.03%时,产物 Steel,1992.13(2):25 (陈恩普.铁基、镍基、钴基合金熔点计算方法和经验公式,特 为C2A7时,钢液温度每下降1℃,钢中可以和铝共 殊钢,1992,13(2):25) 存的[S]平均下降0.00037%;当[A1]=0.03%时, [10]Han Z J.Lin P,Liu L,et al.Thermodynamics of calcium treat- 产物为C3A时,钢液温度每下降1℃,钢中可以和铝 ment for 20CrMnTiHl.Iron Steel.2007.42(9):32 共存的[S]平均下降0.00009%; (韩志军,林平,刘浏,等.20 CrMnTiHl齿轮钢钙处理热力 (4)钢中硫质量分数为20×10-6时,硫化钙在 学.钢铁,2007,42(9):32) 液态钙铝酸盐中的溶解度可以达到0.18%,凝固过 [11]Holappa L.Hamalainen M.Liukkonen M,et al.Thermody- namic examination of inclusion modification and precipitation 程中,CaS会在钙铝酸盐夹杂物表面富集析出 from calcium treatment to solidified steel.Ironmaking steelmak- ig,2003,30(2):111 参考文献 [12]Carey C L.Serge R J.Gregorg K.He Q L//Proceeding 3rd [1]Li YT,DuZ Y.Tao Y Y,et al.Hydrogen induced crack of do- International Conference on Molten Slags and Fluxes,Glas- mestic X70 pipeline steels,Trans China Weld Inst.2004.25 9ow,1988 (5):105 [13]Young R W,Duffy JA,Hassall G J.et al.Use of optical basic- (李云涛,杜则裕,陶勇寅,等.国产X70管线钢及其焊缝的氢 ity concept for determining phosphorus and sulphur slag metal 致裂纹.焊接学报,2004,25(5):105) partitions.Ironmaking Steelmaking.1992.119(3):201 [2]Larsen K.Calcium Modification of Oxide Inclusions//Steelmak- [14]Sun Z Q.Jiang M F,Liang L.et al.Determination of sulfide ing Conference Proceedings,Drotoit.Michigan.1990:497 capacity.sulfur distribution ratio and desulphurization percent in [3]Gao HC.Liu M L,Zhang L M,et al.Case study of submerged ladle furnace refining process.JIron Steel Res.2004.16(3): entry nozzle clogging on CSP Line.Iron Steel.2005.40(11):21 23 (高海潮,刘茂林,张良明,等.CSP连铸浸入式水口结瘤案 (孙中强,姜茂发,梁连科,等。LF精炼过程中顶渣疏容量、 例研究.钢铁,2005,40(11):21) 分配比和脱硫率的确定.钢铁研究学报,2004,16(3):23) [4]Gong J.Thermodynamic analysis of calcium treatment on liquid [15]Ye GZ,Jonsson P.Lund T.Thermodynamics and kinetics of steel.Steelmaking.2003.19(3):56 the modification of Al203 inclusions.ISIJ International,1996, (龚坚.钢液钙处理的热力学分析.炼钢,2003,19(3):56) 36(Suppl):$105 [5]Cicutti C E,Madias J.Control of microinclusions in calcium [16]Lu D.Irons C A.Lu W K.Scaninject VI//6th Int.Conf.on treated aluminum killed steels.Ironmaking Steelmaking:1997 Refining Processes.Lule,Sweden:1993:2394 结论 (1)随着钢液温度的降低‚“液窗”区域逐渐变小 并向下移动‚以[Al]=0∙03%为例‚管线钢中 α[Ca] 在区间为 [1∙9×10-9‚25∙4×10-9] 时钙处理产物 为液态; (2)在钙铝酸盐生成的“液窗”中‚随着钢液中 [Al]含量的增加‚可以共存的 [S ] 含量降低‚生成 C12A7 时可以共存的[S ]含量高于生成 C3A 时的[S ] 含量; (3)钢液温度从1873到1793K‚钢液中可以和 [Al]共存的[S ]快速下降.当[Al]=0∙03%时‚产物 为 C12A7 时‚钢液温度每下降1℃‚钢中可以和铝共 存的[S ]平均下降0∙00037%;当[Al]=0∙03%时‚ 产物为 C3A 时‚钢液温度每下降1℃‚钢中可以和铝 共存的[S ]平均下降0∙00009%; (4)钢中硫质量分数为20×10-6时‚硫化钙在 液态钙铝酸盐中的溶解度可以达到0∙18%‚凝固过 程中‚CaS 会在钙铝酸盐夹杂物表面富集析出. 参 考 文 献 [1] Li Y T‚Du Z Y‚Tao Y Y‚et al.Hydrogen-induced crack of do￾mestic X70 pipeline steels‚T rans China Weld Inst‚2004‚25 (5):105 (李云涛‚杜则裕‚陶勇寅‚等.国产 X70管线钢及其焊缝的氢 致裂纹.焊接学报‚2004‚25(5):105) [2] Larsen K.Calcium Modification of Oxide Inclusions∥ Steelmak￾ing Conference Proceedings‚Drotoit‚Michigan‚1990:497 [3] Gao H C‚Liu M L‚Zhang L M‚et al.Case study of submerged entry nozzle clogging on CSP Line.Iron Steel‚2005‚40(11):21 (高海潮‚刘茂林‚张良明‚等.CSP 连铸浸入式水口结瘤案 例研究.钢铁.2005‚40(11):21) [4] Gong J.Thermodynamic analysis of calcium treatment on liquid steel.Steelmaking‚2003‚19(3):56 (龚坚.钢液钙处理的热力学分析.炼钢‚2003‚19(3):56) [5] Cicutti C E‚Madias J.Control of microinclusions in calcium treated aluminum killed steels.Ironmaking Steelmaking‚1997 (5):155 [6] Korousic B.Fudamental thermodynamic aspect of the CaO-Al2O3- SiO2system.Steel Res‚1991‚19(4):285 [7] Li H B.Research on Control of Non-metal Inclusion in Ultra￾low Structural Alloy Steel [Dissertation ].Beijing:Beijing:Uni￾versity of Science and Technology Beijing‚2008:51 (李海波.超低氧合金结构钢中非金属夹杂物的控制研究 [学 位论文].北京:北京科技大学‚2008:51) [8] Huang X G.Principle of Ferrous Metallurgy.Beijing:Metallur￾gy Industry Press‚1997:250 (黄希诂.钢铁冶金原理.北京:冶金工业出版社‚1997:250) [9] Cheng E P.Calculate method and empirical formula of melt point in ferrous-based‚nicke-l based and cobalt-based alloy. Special Steel‚1992‚13(2):25 (陈恩普.铁基、镍基、钴基合金熔点计算方法和经验公式.特 殊钢‚1992‚13(2):25) [10] Han Z J‚Lin P‚Liu L‚et al.Thermodynamics of calcium treat￾ment for20CrMnTiH1.Iron Steel.2007‚42(9):32 (韩志军‚林平‚刘浏‚等.20CrMnTiH1齿轮钢钙处理热力 学.钢铁‚2007‚42(9):32) [11] Holappa L‚Hämäläinen M‚Liukkonen M‚et al.Thermody￾namic examination of inclusion modification and precipitation from calcium treatment to solidified steel.Ironmaking steelmak￾ing‚2003‚30(2):111 [12] Carey C L‚Serge R J‚Gregorg K‚He Q L∥ Proceeding 3rd International Conference on Molten Slags and Fluxes‚Glas￾gow‚1988 [13] Young R W‚Duffy J A‚Hassall G J‚et al.Use of optical basic￾ity concept for determining phosphorus and sulphur slag metal partitions.Ironmaking Steelmaking‚1992‚119(3):201 [14] Sun Z Q‚Jiang M F‚Liang L‚et al.Determination of sulfide capacity‚sulfur distribution ratio and desulphurization percent in ladle furnace refining process.J Iron Steel Res‚2004‚16(3): 23 (孙中强‚姜茂发‚梁连科‚等.LF 精炼过程中顶渣硫容量、 分配比和脱硫率的确定.钢铁研究学报‚2004‚16(3):23) [15] Ye G Z‚Jönsson P‚Lund T.Thermodynamics and kinetics of the modification of Al2O3inclusions.ISIJ International‚1996‚ 36(Suppl):S105 [16] Lu D‚Irons G A‚Lu W K.Scaninject VI∥6th Int.Conf.on Refining Processes‚Lule‚Sweden‚1993:239 Vol.31Suppl.1 余 健等: 管线钢中典型夹杂物的热力学分析 ·99·
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