Numerical Simulation of Macrosegregation Impurities in the Solidifying Continuous Casting Steel Billet

Oleksandr Volodimirovich Hress1, O. B. Isayev1, O. O. Chebotaryova2, Kaiming Wu1

Abstract


In this study, new theoretical conceptions have been developed about an impurity segregation mechanism at the time of alloy solidification considering present microvolumes with different chemical compositions during alloy solidification. It has been concluded that this conception allows to establish and optimize technologic parameters that influence the production of the main types of macroheterogeneity. The derived model conceptions have confirmed the final condition of real continuous casting billets by using the advanced analyzing methods.

Keywords


Steel; Solidification; Macrosegregation; Numerical Simulation; Continuous Casting

Full Text:

PDF

References


V.Т. Borisov, The theory of steel ingot mushy zone, Moscow, Metallurgy, 1987, 224 p.

I.N. Golikov, S.B. Maslenkov, Dendrite segregation in steels and alloys, Moscow, Metallurgy, 1977, 224 p.

V.A. Efimov, Steel casting and solidification, Moscow, Metallurgy, 1976, 552 p.

Y. Natsume, K. Ohsasa, Three-dimensional Cellular Automaton Model for the Prediction of

Microsegregation in Solidification Grain Structures, ISIJ International, Vol. 54 (2014), No. 2, pp. 415–421.

D. Jiang, M. Zhu, Center Segregation with Final Electromagnetic Stirring in Billet Continuous Casting Process, Metallurgical and Materials Transactions B, V. 48B, February 2017, pp. 444–455.

D. Jiang, W. Wang, S. Luo, C. Ji, M. Zhu, Mechanism of Macrosegregation Formation in Continuous Casting Slab: A Numerical Simulation Study. Metallurgical and Materials Transactions B, V. 48B, December 2017, pp. 3120–3131.

N.T. Gugcov, Main questions of steel ingot study, Proceedings Steel ingot, Moscow, Metallurgizdat, V.1, 1952, pp. 11–20.

P.A. Dudovcev, Periodicity properties in steel ingot, Moscow, Metallurgizdat, 1949, 67 p.

K. Miyazawa, K. Schwerdtfeger, Macrosegregation in continuously cast steel slabs: preliminary theoretical investigation on the effect of steady state bulging, Arch. Eisenhutten, 1981, 52( 11), pp. 415–422.

A.M. Skrebcov, Convection and solidification steel melt in to ingot and casting, Moscow, Metallurgy, 1993, 144 p.

B.B. Gulyaev, Steel solidification and inhomogeneity, Moscow, Metallurgizdat, 1950, 228 p.

R. Mehrabian, M. Keane, M.C. Flemings, Interdendritic fluid flow and macrosegregation; influence of gravity, Metallurgical and Materials Transactions B, 1970, 1( 5), pp. 1209–1220.

J. Ni, C. Beckermann. A Volume–Averaged Two–Phase Model for Solidification Transport Phenomena, Metall. Trans. B, 1991, 22B, pp. 349–361.

A.M. Screbcov, L.A. Dan, V.V. Kylochkin, New vision to chemical elements concentration periodicity changing on steel ingot radius, Universities news, Ferrous metallurgy (Izvestiya vuzov. Chernaya metallurgia), 1991, # 7, p. 106.

A.M. Screbcov, Impurities periodically distribution on steel ingot radius, Foundry processes (Processy litya), 1994, # 3, pp. 16–23.

A.H. Urazgildeev, S.N. Pronskih, A.A. Alymov, Influence of chemical elements concentrations to segregation velocity at ingots solidification, Universities news, Ferrous metallurgy (Izvestiya vuzov. Chernaya metallurgia), 1981, # 9, pp. 49–52.

E.A. Kazachkov, S.L. Makurov, Big ingots chemical inhomogeneity formation and optimization ingots parameters, Foundry processes (Processy litya), 1996, # 1, pp. 35–44.

E.J. Pickering, Macrosegregation in Steel Ingots: The Applicability of Modelling and Characterisation Techniques, ISIJ International, Vol. 53 (2013), # 6, pp. 935–949.

M.C. Flemings, Our Understanding of Macrosegregation: Past and Present, ISIJ International, Vol. 40 (2000), # 9, pp. 833–841.

M. Miyazaki, T. Murao, K. Isobe, Formation Mechanism and Modeling of Centerline Segregation, Nippon Steel Technical Report, #104, August, 2013.

E.J. Pickering, Macrosegregation in Steel Ingots: The Applicability of Modelling and Characterisation Techniques, ISIJ International, Vol. 53 (2013), # 6, pp. 935–949.

N.M. Belyaev, I.N. Manusov, I.K. Karimov, Using the methods of elementary heat balances to thermal conductivity with difficult boundary conditions decisions, Dnepropetrovsk, Dnepropetrovsk state University, 1985, 128 p.

A.P. Ogurcov, A.V. Hress, Steel continuous casting, Dnepropetrovsk, System technologies, 2002, 675 p.

Sh. Lei, J. Zhang, X. Zhao, K. He, Numerical Simulation of Molten Steel Flow and Inclusions Motion Behavior in the Solidification Processes for Continuous Casting Slab, ISIJ International, Vol. 54 (2014), No. 1, pp. 94–102.

V.T. Sladcoshteev, R.V. Potanin, O.N. Suladze, Continuous casting on radial casters, Moscow, Metallurgy, 1974, 288 p.

V.V. Savchenko, A.M. Kolotov, E.P. Lobanov, Heat work of radial caste for big sections billets casting, Proceedings, Vol. 5, Moscow, Metallurgy, 1978, pp.79–83.

V.V. Sobolev, P.M. Trefilov, Continuous casting solidification thermophysics, Moscow, Metallurgy, 1988, 160 p.

Yu.A. Samoylovich, Using computer for solidification ingot tasks decision, Moscow, Metallurgy, 1988, 182 p.

M.Ya. Medzhibozhskij, P.S. Harlashin, Theoretical basis of steelmaking, Kiev, NMK VO, 1983, 276 p.

E.A. Kazachkov, V.A. Fedorov, The investigation of carbon segregation at big ingots solidificstion, Proceedings VI Conference: Steel ingots problems, Moscow, Metallurgy, 1976, pp. 132–135.

O.S. Logunova, I.M. Devyatov, I.M. Yachikov, Numerical simulation of continuous casting ingots macroscopic parameters, Universities news, Ferrous metallurgy (Izvestiya vuzov. Chernaya metallurgia), 1997, # 2, pp. 49–51.

B.A. Movchan, Microscopic inhomogeneity in casting alloys, Kiev, Gosisdat, 1962, 340 p.

V.M. Scheglov, I.N. Primak, I.M. Stas’, Temperature fields in solidificating steel ingots, Proceedings, International Research Congress: Metals melting, treatment and casting, Kiev, 2006, pp. 17–18.

S.A. Ayvasyan, I.S. Enyukov, L.D. Meshalkin, Applied statistics, Dependences investigations, Reference book, Moscow, Finances and statistics, 1985, 487 p.

V.M. Kitayev, V.N. Guschin, The investigation mushy zone extent at ingots solidification, Proceedings, Ingots and castings structure control, Gor’kij, Gor’kij Politechnic Institute, 1984, pp. 27–34.

V.S. Luchkin, S.A. Vorobej, G.V. Levchenko, Continuous casting billet with different sections quality specificity, Metal and foundry of Ukraine (Metal and litye Ukrainy), 2005, # 5, pp. 30–33.


Refbacks

  • There are currently no refbacks.


Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

Creative Commons License

This site is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.