综述：中间包钢液二次氧化对钢中非金属夹杂物的影响

段生朝, 刘珍童, 康君, 白乘风, 文健, 刘刚, 张立峰

Review: Effect of Reoxidation on the Non-Metallic Inclusion in Molten Steels in Tundish

DUAN Shengchao, LIU Zhentong, KANG Jun, BAI Chengfeng, WEN Jian, LIU Gang, ZHANG Lifeng

表3 钢液二次氧化导致的不同钢种中夹杂物成分转变的研究总结^{[8,28,34,44,60,64,69~81]}

Table 3 Summaries of inclusion transformation caused by molten steel reoxidation^{[8,28,34,44,60,64,69-81]}

Steel composition	Initial inclusion	Inclusion composition after reoxidation of molten steel	Ref.
Al-killed and Ca-treated API-X70 pipeline steel	Liquid calcium-aluminate inclusion	Al₂O₃-rich inclusion	[60]
Al-killed and Ca-treated 42CrMo steel	Liquid CaO-MgO-Al₂O₃	Solid CaO-MgO-Al₂O₃ and MgO-Al₂O₃	[70]
Al-killed Fe-0.2C-0.1Si steel	Liquid CaO-MgO-Al₂O₃	Al₂O₃-rich inclusion	[8,28]
Al-killed molten steel	CaO-CaS (Al₂O₃)	CaO-Al₂O₃ (CaS)	[64]
Al-killed GCr15 bearing steel	CaO-Al₂O₃-MgO-CaS	The increase in CaO and Al₂O₃ contents and decrease in MgO and CaS contents of the inclusion	[71]
Al-killed low alloy steel containing rare earth Ce	Spherical Ce₂O₂S inclusion	Clustered-like CeAlO₃	[69]
Al-killed and Ca-treated AH36 steel	Liquid CaO-Al₂O₃-MgO	CaO-2Al₂O₃ and MgO-Al₂O₃	[72]
Ca-treated carbon-manganese steel	Liquid inclusion + CaS	Semi-solid 60.4Al₂O₃-25.3CaO-7.2 SiO₂-7.1MgO	[73]
Al-killed and Ca-treated stainless steel	CaO-Al₂O₃-SiO₂-MgO	MnO-Al₂O₃-SiO₂-CaO	[74]
GCr15 bearing steel	Liquid calcium-aluminate inclusion	CaO-6Al₂O₃ and Al₂O₃	[75]
Fe-Al-Ti-O melt	Al₂O₃ and Al₂TiO₅	Ti₃O₅ (high oxygen potential) Al-Ti complex oxide (low oxygen potential)	[76]
Al-killed and Ti-alloyed IF steel	Al₂O₃	Al₂O₃-TiO_x	[77]
Ti-added ultra-low carbon steel	Al₂O₃	Liquid Fe_t O-Al₂O₃-TiO_x	[44]
Al-killed stainless steel (20Cr-0.15Al-0.2Ti)	CaO-Al₂O₃-MgO	Solid Al₂O₃-Cr₂O₃-TiO₂	[78]
Si-killed stainless steel (18Cr-8Ni-0.48Si-1.06Mn)	Al₂O₃-SiO₂-CaO-MnO	Al₂O₃-SiO₂-CaO-MnO with high SiO₂-MnO content	[79]
Si-killed spring steel	CaO-SiO₂ and Al₂O₃-SiO₂-CaO	Al₂O₃-SiO₂-MnO and SiO₂-MnO	[80]
Si-killed stainless steel	CaO-SiO₂-MgO-Al₂O₃	Liquid + Mg[Al,Ti]₂O₄ composite inclusions	[81]
Si-killed 316 stainless steel	SiO₂-MnO	SiO₂-rich inclusion	[34]