镁具有净化钢液、细化钢中非金属夹杂物的作用.针对钢液镁处理技术的发展需求,本文采用一阶和二阶相互作用系数,基于吉布斯自由能最小原理计算得到了Mg-Al-O、Mg-Si-O、Mg-Ti-O、Mg-Zr-O的热力学优势区域图,并探讨合金元素含量与脱氧平衡产物间的关系.通过热力学计算,揭示了钢液镁处理在不同脱氧制度下钢中脱氧产物的变化规律,可为镁处理在生产实践中的应用奠定理论基础.
参考文献
| [1] | Ryo YAMAMOTO;Hiroshi FUKAYA;Naoya SATOH .Magnesium Deoxidation Equilibrium of Molten Fe-Cr-Ni Alloy Expressed by Quadratic Formalism and Redlich-Kister Type Polynomial[J].ISIJ International,2011(6):895-900. |
| [2] | Ryousuke TAKATA;Jian YANG;Mamoru KUWABARA .Characteristics of Inclusions Generated during Al-Mg Complex Deoxidation of Molten Steel[J].ISIJ International,2007(10):1379-1386. |
| [3] | Iate Michinori YONEMOTO;Takahiro MIKI;Mitsutaka HINO .Magnesium Deoxidation Equilibrium of Molten Fe-Ni Alloy Expressed by Quadratic Formalism and Redlich-Kister Type Polynomial[J].ISIJ International,2008(6):755-759. |
| [4] | Jie Fu;Yueguang Yu;Anren Wang .Inclusion Modification with Mg Treatment for 35CrNi3MoV Steel[J].Journal of Materials Science & Technology,1998(1):53-56. |
| [5] | Hideki ONO;Keiji NAKAJIMA;Toshio IBUTA .Equilibrium Relationship between the Oxide Compounds in MgO-Al_2O_3-Ti_2O_3 and Molten Iron at 1873 K[J].ISIJ International,2010(12):1955-1958. |
| [6] | Hiroki OHTA;Hideaki SUITO .Calcium and Magnesium Deoxidation in Fe-Ni and Fe-Cr Alloys Equilibrated with CaO-Al_2O_3 and CaO-Al_2O_3-MgO Slags[J].ISIJ International,2003(9):1293-1300. |
| [7] | Todoroki H;Mizuno K .Effect of silica in slag on inclusion compositions in 304 stainless steel, deoxidized with aluminum[J].ISIJ International,2004(8):1350-1357. |
| [8] | Hideki ONO;Toshio IBUTA .Equilibrium Relationships between Oxide Compounds in MgO-Ti_2O_3-Al_2O_3 with Iron at 1 873 K and Variations in Stable Oxides with Temperature[J].ISIJ International,2011(12):2012-2018. |
| [9] | Kenji TAGUCHI;Hideki ONO-NAKAZATO;Daisuke NAKAI .Deoxidation and Desulfurization Equilibria of Liquid Iron by Calcium[J].ISIJ International,2003(11):1705-1709. |
| [10] | Hiroki OHTA;Hideaki SUITO .Activities in CaO-MgO-Al_2O_3 Slags and Deoxidation Equilibria of Al, Mg, and Ca[J].ISIJ International,1996(8):983-990. |
| [11] | Jong-Jin PAK;Jong-Oh JO;Sun-In KIM .Thermodynamics of Titanium and Oxygen Dissolved in Liquid Iron Equilibrated with Titanium Oxides[J].ISIJ International,2007(1):16-24. |
| [12] | Ryo INOUE;Tatsuro ARIYAMA;Hideaki SUITO .Thermodynamics of Zirconium Deoxidation Equilibrium in Liquid Iron by EMF Measurements[J].ISIJ International,2008(9):1175-1181. |
| [13] | W.-Y. CHA;T. NAGASAKA;T. MIKI .Equilibrium between titanium and oxygen in liquid Fe-Ti alloy coexisted with titanium oxides at 1873 K[J].ISIJ International,2006(7):996-1005. |
| [14] | Mitsuhiko OHTA;Nobuo SANO;Kazuki MORITA .Thermodynamic Consideration on the Oxide System Containing MnO and TiO_2 as Deoxidization Products in Steels[J].ISIJ International,2000(Suppl.):87-91. |
| [15] | Kanae SUZUKI;Shiro BAN-YA;Mitsutaka HINO .Deoxidation Equilibrium of Cr-Ni Stainless Steel with Si at the Temperatures from 1823 to 1923 K[J].ISIJ International,2002(2):146-149. |
| [16] | Yoshihiko HIGUCHI;Mitsuhiro NUMATA .Effect of Method of Ca Treatment on Composition and Shape of Non-metallic Inclusions[J].鉄と鋼／Journal of the Iron and Steel Institute of Japan.,1996(8):37-42. |
| [17] | Ishii F.;Ya S.B. .Thermodynamics of the Deoxidation Equilibrium of Aluminum in Liquid Nickel and Nickel-Iron Alloys[J].ISIJ International,1996(1):25-31. |
| [18] | Q.Han D.Zhou .Determination of dissolved sulfur and Mg-S, Mg-O equilibria in molten iron[J].Steel Research,1997(1):9-14. |
| [19] | JIANG Zhou-hua,LI Shuang-jiang,LI Yang.Thermodynamic Calculation of Inclusion Formation in Mg-Al-Si-O System of 430 Stainless Steel Melts[J].钢铁研究学报（英文版）,2011(02):14-17. |
| [20] | A.M. Guo;S.R. Li;J. Guo .Effect of zirconium addition on the impact toughness of the heat affected zone in a high strength low alloy pipeline steel[J].Materials Characterization,2008(2):134-139. |
| [21] | V.B. Trindade;R.S.T. Mello;J.C. Payao .Influence of Zirconium on Microstructure and Toughness of Low-Alloy Steel Weld Metals[J].Journal of Materials Engineering and Performance,2006(3):284-286. |
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