刘伟建等：气氛保护电渣重熔过程中氧化物-CaS复合夹杂物的演变 .117 CaO-Al2O3-SiO2-Mg0氧化物夹杂的SiO2被钢 and non-metallic inclusions during electro-slag remelting of a hot- 液中酸溶铝还原而转变生成的.电渣锭中第Ⅲ类 work tool steel.Stee/Res Int,2018,89(10):1800161 CaO-AlzO3-SiO2Mg0夹杂物是在电渣重熔过程 [11]Shi C B,Wang H,Li J.Effects of reoxidation of liquid steel and slag composition on the chemistry evolution of inclusions during 新生的夹杂物. electroslag remelting.Metall Mater Trans B,2018,49(4):1675 (4)自耗电极中的CaS夹杂物是通过分解为 [12]Shi C B,Yu W T,Wang H,et al.Simultaneous modification of 钢液中溶解Ca和S,以及通过与液态CaO-Al,O3- alumina and MgO-Al,O,inclusions by calcium treatment during SiO2-Mg0夹杂物中Al2O3反应的途径在电渣重 electroslag remelting of stainless tool steel.Metall Mater Trans B, 熔过程中被去除的 2017,48(1):146 (5)电渣锭中低熔点氧化物夹杂周围的环状 [13]Shi C B,Chen X C,Guo H J,et al.Assessment of oxygen control CaS是钢液凝固过程中溶解S、酸溶铝Al与氧化 and its effect on inclusion characteristics during electroslag remelting of die steel.Steel Res Int,2012,83(5):472 物夹杂中CaO反应的产物，高熔点氧化物夹杂周 [14]Shi C B,Chen X C,Guo H J,et al.Control of MgO-Al2O;spinel 围环状CaS夹杂物是在钢液凝固过程中溶解 inclusions during protective gas electroslag remelting of die steel. Ca和S偏析后反应新生的夹杂物.复合夹杂物中 Metall Mater Trans B.2013.44(2):378 补丁状CaS的生成是由于液态氧化物夹杂在电渣 [15]Shi C B,Zheng D L,Guo B S,et al.Evolution of oxide-sulfide 重熔钢液冷却过程中硫化物溶解度不断降低而形 complex inclusions and its correlation with steel cleanliness during 成的 electroslag rapid remelting (ESRR)of tool steel.Metall Mater Trans B,2018,49(6):3390 参考文献 [16]Shi C B,Zhang J X,Zheng X,et al.Review on desulfurization of electroslag remelting (ESR).Int J Miner Metall Mater,2020 [1]Shi C B.Deoxidation of electroslag remelting (ESR)-a review [17]Liu Y,Zhang Z,Li GQ,et al.Evolution of desulfurization and ISJL,2020.60(6):1083 characterization of inclusions in dual alloy ingot processed by [2]Fu J,Zhu J.Change in the oxide inclusions during electroslag electroslag remelting.Steel Res Int,2017,88(11):1700058 remelting.Acta Metall Sin,1964,7(3):250 [1]LiSJ,Cheng GG,Miao ZQ,et al.Evolution of oxide Inclusions (傅杰，朱觉.电渣重熔过程中氧化物夹杂的变化.金属学报， in G20CrNi2Mo carburized bearing steel during industrial 1964,7(3):250) electroslag remelting.ISI/Int,2018,58(10):1781 [3]Kay D A R,Pomfret R J.Removal of oxide inclusions during ac [19]Chang L Z.Shi X F,Cong JQ.Study on mechanism of oxygen electroslag remelting.J Iron Steel Inst,1971,209(12):962 increase and countermeasure to control oxygen content during [4]Mitchell A.Oxide inclusion behavior during consumable electrode electroslag remelting process.Ironmaking Steelmaking,2014, remelting.Ironmaking Steelmaking,1974,1(3):172 41(3):182 [5]LiZ B,Zhou W H,Li Y D.Mechanism of removal of non-metallic [20]Ohta H,Suito H.Activities in CaO-SiOz-Al2O3 slags and deoxi- inclusions in the ESR process.Iron Steel,1980,15(1):20 dation equilibria of Si and Al.Metall Mater Trans B,1996,27(6): (李正邦，周文辉，李谊大.电渣重熔去除夹杂的机理.钢铁 943 1980,15(1):20) [21]Park J H.Lee S B.Kim D S,et al.Thermodynamics of titanium [6]Zhou D G,Chen X C,Fu J,et al.Inclusions in electroslag oxide in Cao-SiO,-Al,O:-MgOsatd-CaF,slag equilibrated with remelting and continuous casting bearing steels.J Univ Sci Fe-11mass%Cr melt./SL/Int,2009,49(3):337 Technol Beijing,2000,22(1):26 [22]Park J H,Todoroki H.Control of MgO-Al2O:spinel inclusions in (周德光，陈希春，傅杰，等.电渣重熔与连铸轴承钢中的夹杂物. stainless steels./S///nt,2010,50(10):1333 北京科技大学学报，2000,22(1)：26) [23]Suito H,Inoue R.Thermodynamics on control of inclusions [7]Medina S F,Cores A.Thermodynamic aspects in the composition in ultraclean steels.ISI/Int,1996,36(5):528 manufacturing of microalloyed steels by the electroslag remelting [24]Sigworth G K,Elliott J F.The thermodynamics of liquid dilute process.ISJL,1993,33(12):1244 iron alloys.Mer Sci,1974,8(1):298 [8]Mitchell A,Reyes-Carmona F,Samuelsson E.The deoxidation of [25]Wei J H,Mitchell A.Changes in composition during A.C.ESR-I. low-alloy steel ingots during ESR.Trans Iron Steel InstJpn,1984, theoretical development.Acta Merall Sin,1984,20(5):261 24(7):547 (魏季和，Mitchell A.交流电渣重熔过程中的成分变化L.理论传 [9]Dong Y W,Jiang Z H,Cao Y L,et al.Effect of slag on inclusions 质模型.金属学报，1984,20(5)：261) during electroslag remelting process of die steel.Metall Mater [26]Shi C B.Behaviour and Control Technique of Oxygen and Inclu- TwsB,2014,45(4):1315 sions during Protective Gas Electroslag Remelting Process [10]Schneider R S E,Molnar M,Gelder S,et al.Effect of the slag [Dissertation].Beijing:University of Science and Technology composition and a protective atmosphere on chemical reactions Beijing,2012CaO–Al2O3–SiO2–MgO 氧化物夹杂的 SiO2 被钢 液中酸溶铝还原而转变生成的. 电渣锭中第 III 类 CaO–Al2O3–SiO2–MgO 夹杂物是在电渣重熔过程 新生的夹杂物. （4）自耗电极中的 CaS 夹杂物是通过分解为 钢液中溶解 Ca 和 S，以及通过与液态 CaO–Al2O3– SiO2–MgO 夹杂物中 Al2O3 反应的途径在电渣重 熔过程中被去除的. （5）电渣锭中低熔点氧化物夹杂周围的环状 CaS 是钢液凝固过程中溶解 S、酸溶铝 Al 与氧化 物夹杂中 CaO 反应的产物，高熔点氧化物夹杂周 围 环 状 CaS 夹杂物是在钢液凝固过程中溶 解 Ca 和 S 偏析后反应新生的夹杂物. 复合夹杂物中 补丁状 CaS 的生成是由于液态氧化物夹杂在电渣 重熔钢液冷却过程中硫化物溶解度不断降低而形 成的. 参    考    文    献 Shi C B. Deoxidation of electroslag remelting (ESR) — a review. 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