The role of process control on the steel cleanliness

References

• T. Mizoguchi, Y. Ueshima, M. Sigiyama and K. Mizukami: ‘Influence of unstable non-equilibrium liquid iron oxide on clustering of alumina particles in steel’, ISIJ Int., 2013, 53, 639–647. doi: 10.2355/isijinternational.53.639
   Web of Science ®Google Scholar
• K. Sasai and Y. Mizukami: ‘Mechanism of alumina adhesion to continuous caster nozzle with reoxidation of molten steel’, ISIJ Int., 2001, 41, 1331–1339. doi: 10.2355/isijinternational.41.1331
   Web of Science ®Google Scholar
• K. Sasai: ‘Direct measurement of agglomeration force exerted between alumina particles in molten steel’, Tetsu-to-Hagané, 2015, 101, 275–283. doi: 10.2355/tetsutohagane.101.275
   Web of Science ®Google Scholar
• H. Ooi, M. Sekine and G. Kasai: ‘On the mechanisms of alumina cluster formation in molten iron’, Tetsu-to-Hagané, 1973, 59, 1078–1088. doi: 10.2355/tetsutohagane1955.59.8_1078
   Google Scholar
• A. Karasev and H. Suito: ‘’, Met. Mater. Trans. B, 1999, 30, 249–257. doi: 10.1007/s11663-999-0054-1
   Web of Science ®Google Scholar
• M.-K. Sun, I.-H. Jung and H.-G. Lee: ‘Morphology and chemistry of oxide inclusions after Al and Ti complex deoxidation’, Metal Mater. Int., 2008, 14, 791. doi: 10.3365/met.mat.2008.12.791
   Web of Science ®Google Scholar
• V. Karasev and H. Suito: ‘Characteristics of fine oxide particles produced by Ti/M (M=Mg and Zr) complex deoxidation in Fe–10mass%Ni alloy’, ISIJ Int., 2008, 48, 1507–1516. doi: 10.2355/isijinternational.48.1507
   Web of Science ®Google Scholar
• H. Suito, A. V. Karasev, M. Hamada, R. Inoue and K. Nakajima: ‘Influence of oxide particles and residual elements on microstructure and toughness in the heat-affected zone of Low-carbon steel deoxidized with Ti and Zr’, ISIJ Int., 2011, 51, 1151–1162. doi: 10.2355/isijinternational.51.1151
   Web of Science ®Google Scholar
• A. V. Karasev and H. Suito: ‘Nitride precipitation on particles in Fe–10mass%Ni alloy deoxidized with Ti, M(M=Mg, Zr and Ce) and Ti/M’, ISIJ Int., 2009, 49, 229–238. doi: 10.2355/isijinternational.49.229
   Web of Science ®Google Scholar
• S. A. Decterov, I.-H. Jung, E. Jak, Y.-B. Kang, P. Hayes and A. D. Pelton: Proc. 7th Int. Conf. on Molten slags, fluxes and salts, Café Town, South Africa, 2004, 839.
   Google Scholar
• F. Ruby-Meyer, J. Lehmann and H. Gaye: ‘Thermodynamic analysis of inclusions in Ti-deoxidised steels’, Scand. J. Metall., 2000, 29, 206–212. doi: 10.1034/j.1600-0692.2000.d01-24.x
   Google Scholar
• H. Matsuura, C. Wang, G.-H. Wen and S. Sridhar: ‘The transient stages of inclusion evolution during Al and/or Ti additions to molten iron’, ISIJ Int., 2007, 47, 1265–1274. doi: 10.2355/isijinternational.47.1265
   Web of Science ®Google Scholar
• W. Choi, H. Matsuura and F. Tsukihashi: ‘Changing behavior of non-metallic inclusions in solid iron deoxidized by Al–Ti addition during heating at 1473K’, ISIJ Int., 2011, 51, 1951–1956. doi: 10.2355/isijinternational.51.1951
   Web of Science ®Google Scholar
• O. Wijk: Proc. Scaninject VII, MEFOS, Luleå, Sweden, June 1995, 35.
   Google Scholar
• P. Sjödin, P. G. Jönsson, M. Andreasson and A. Winqvist: ‘Oxidic steel cleanness in high-carbon chromium bearing steel’, Scand. J. Metall., 1997, 26, (1), 41.
   Google Scholar
• E. Fuchs and P. Jönsson: ‘Inclusion characteristics in bearing steel before and after ingot casting’, High Temp. Mater. Processes, 2000, 19, (5), 333–344. doi: 10.1515/HTMP.2000.19.5.333
   Web of Science ®Google Scholar
• J. Cheng, R. Eriksson and P. Jönsson: ‘Determination of macro inclusions during clean steel production’, Ironmak. Steelmak., 2003, 30, 66–72. doi: 10.1179/03019230325009470
   Web of Science ®Google Scholar
• R. Eriksson, P. Jönsson and A. Gustafsson: ‘Determination of inclusion characteristics in low-carbon steel during up-hill Teeming’, Scand. J. Metall., 2004, 33, 160–171. doi: 10.1111/j.1600-0692.2004.00680.x
   Google Scholar
• K. M. Steneholm, A. M. T. Andersson and P. G. Jönsson: ‘Change of inclusion characteristics during vacuum degassing of tool steel’, Steel Res. Int., 2006, 77, (6), 392–399. doi: 10.1002/srin.200606404
   Web of Science ®Google Scholar
• L. Huet, P. Jönsson and F. Reinholdsson: ‘The effect of deoxidation practise on inclusion characteristics in bearing steel production’, Steel Times Int., 1997, 21, (6), 47–50.
   Google Scholar
• J. Björklund, M. Andersson, M. Nzotta and P. Jönsson: ‘The effect of ladle treatment on inclusion composition in tool steel production’, Steel Res. Int., 2008, 79, (4), 261–270. doi: 10.1002/srin.200806350
   Web of Science ®Google Scholar
• T. Sjöqvist, M. Göransson, P. Jönsson and P. Cowx: ‘Influence of ferromanganese on micro-alloyed engineering steel’, Ironmak. Steelmak., 2003, 30, 73–80. doi: 10.1179/030192303225009461
   Web of Science ®Google Scholar
• T. Sjöqvist, S. Jung, P. Jönsson and M. Andreasson: ‘Influence of calcium carbide slag additions on inclusion characteristics in steel’, Ironmak. Steelmak., 2000, 27, (5), 373–380. doi: 10.1179/030192300677688
   Web of Science ®Google Scholar
• M. Andersson, M. Hallberg, L. Jonsson and P. Jönsson: ‘Slag-metal reactions during ladle treatment with focus on desulphurisation’, Ironmak. Steelmak., 2002, 29, (3), 224. doi: 10.1179/030192302225004106
   Web of Science ®Google Scholar
• J. Björklund, M. Andersson and P. Jönsson: ‘Equilibrium between slag, steel and inclusions during ladle treatment: comparison with production data’, Ironmak. Steelmak., 2007, 34, (4), 312–324. doi: 10.1179/174328107X168039
   Web of Science ®Google Scholar
• K. Steneholm, M. Andersson, M. Nzotta and P. Jönsson: ‘Effect of Top slag composition on inclusion characteristics during vacuum degassing of tool steel’, Steel Res. Int., 2007, 78, (7), 522–530. doi: 10.1002/srin.200706243
   Web of Science ®Google Scholar
• M. Söder, P. Jönsson, L. Jonsson and M. Nzotta: ‘An experimental study of number concentration gradients of inclusions during deoxidation using inductive and gas stirring’, Steel Res. Int., 2005, 76, (7), 481–490. doi: 10.1002/srin.200506043
   Web of Science ®Google Scholar
• K. Malmberg, M. Nzotta, A. Karasev and P. G. Jönsson: ‘Optimisation of stirring conditions during vacuum degassing in order to lower the inclusion content in steel’, Ironmak. Steelmak., 2013, 40, (3), 231–237. doi: 10.1179/1743281212Y.0000000037
   Web of Science ®Google Scholar
• K. Malmberg, A. Karasev, M. Nzotta, J. Alexis and P. G. Jönsson: ‘Influence of final stirring treatment on inclusion number in tool steel’, Ironmak. Steelmak., 2013, 40, (6), 407–412. doi: 10.1179/1743281212Y.0000000061
   Web of Science ®Google Scholar
• C. Medioni, P. Jönsson and D. Sichen: ‘Effect of stirring practice on sulphur and nitrogen refining as well as inclusion removal in ladle treatment’, Steel Res. Int., 2014. http://dx.doi.org/10.1002/srin.201400501
   Web of Science ®Google Scholar
• T. Hansen, P. G. Jönsson, S. E. Lundberg and K. Törresvoll: ‘The concept of the liquid sampling and hot rolling method for determination of macro inclusion characteristics in steel’, Steel Res. Int., 2006, 77, (3), 177–185. doi: 10.1002/srin.200606372
   Web of Science ®Google Scholar
• O. T. Ericsson, A. V. Karasev and P. G. Jönsson: ‘Effect of slag protection system and sample geometry on homogeneity of total oxygen content in samples from liquid steel’, Steel Res. Int., 2011, 82, (3), 222–229. doi: 10.1002/srin.201000136
   Web of Science ®Google Scholar
• O. T. Ericsson, M. Lionet, A. V. Karasev, R. Inoue and P. G. Jönsson: ‘Changes in inclusion characteristics during sampling of liquid steel’, Ironmak. Steelmak., 2012, 39, (1), 67–75. doi: 10.1179/1743281211Y.0000000044
   Web of Science ®Google Scholar
• K. Beskow: ‘Formation and chemical development of non-metallic inclusions in ladle treatment of steel’, Doctoral thesis, Stockholm, Sweden, 2003.
   Google Scholar
• N. N. Tripathi: ‘A study on the population and chemical development of non-metallic inclusions in the tool-steel making process’, Doctoral thesis, Stockholm, Sweden, 2004.
   Google Scholar
• Y. J. Kang: ‘Some aspects of non-metallic inclusions during vacuum degassing in ladle treatment: with emphasize on liquid CaO-Al2O3 inclusions’, Doctoral thesis, Stockholm, Sweden, 2007.
   Google Scholar
• J. Björklund: ‘Thermodynamic aspects on inclusion composition and oxygen activity during ladle refining’, Doctoral thesis, Stockholm, Sweden, 2008.
   Google Scholar
• H. Doostmohammadi: ‘A study of slag/metal equilibrium and inclusion characteristics during ladle treatment and after ingot casting’, Doctoral thesis, Stockholm, Sweden, 2009.
   Google Scholar
• K. Malmberg: ‘Some aspects of inclusion control and behavior with focus on secondary metallurgy’, Stockholm, Sweden, 2012.
   Google Scholar
• J. Brandberg: ‘Solubility of hydrogen in slags and its impact on ladle refining’, Licentiate thesis, Stockholm, Sweden, 2006.
   Google Scholar
• K. Steneholm, M. Andersson, A. Tilliander and P. G. Jönsson: ‘Removal of hydrogen, nitrogen and sulphur from tool steel during vacuum degassing’, Ironmak. Steelmak., 2013, 40, (3), 199–205. doi: 10.1179/1743281212Y.0000000029
   Web of Science ®Google Scholar
• J. Wikström, K. Nakajima and P. Jönsson: ‘Application of a model for liquid inclusion separation at a steel- slag interface for laboratory and industrial situations’, Steel Res. Int., 2008, 79, (11), 826–834. doi: 10.1002/srin.200806206
   Web of Science ®Google Scholar
• M. A. T. Andersson, P. G. Jönsson and M. Hallberg: ‘Optimisation of ladle slag composition by application of sulphide capacity model’, Ironmak. Steelmak., 2000, 27, (4), 286–293. doi: 10.1179/030192300677570
   Web of Science ®Google Scholar
• M. A. T. Andersson, P. G. Jönsson and M. M. Nzotta: ‘Application of the sulphide capacity concept on high-basicity ladle slags used in bearing-steel production’, ISIJ Int., 1999, 39, (11), 1140–1149. doi: 10.2355/isijinternational.39.1140
   Web of Science ®Google Scholar
• P. G. Jönsson, L. Jonsson and D. Sichen: ‘Viscosities of LF slags and their impact on ladle refining’, ISIJ Int., 1997, 37, (5), 484–491. doi: 10.2355/isijinternational.37.484
   Web of Science ®Google Scholar
• L. J. Wang, N. N. Viswanathan, L. Muhmood, E. Kapilashrami and S. Seetharaman: ‘Some aspects of interfacial phenomena in steelmaking and refining’, Metall. Meater. Trans B, 2016, 47B, 2107–2113.
   Google Scholar
• S. Basu, S. Seetharaman and A. K. Lahiri: ‘Thermodynamics of phosphorus and sulphur removal during basic oxygen steelmaking’, Steel Res. Int., 2010, 81, (11), 932–939. doi: 10.1002/srin.201000086
   Web of Science ®Google Scholar
• J.-H. Wei, S. J. Zhu and N.-W. Yu: ‘Kinetic model of desulphurisation by powder injection and blowing in RH refining of molten steel’, Ironmak. Steelmak., 2000, 27, (2), 129–137. doi: 10.1179/030192300677435
   Web of Science ®Google Scholar
• A. M. T. Andersson, L. T. I. Jonsson and P. G. Jönsson: ‘A model of reoxidation from the top slag and the effect on sulphur refining during vacuum degassing’, Scand. J. Metall., 2003, 32, 123–136. doi: 10.1034/j.1600-0692.2003.20627.x
   Google Scholar
• J. O. Andersson, T. Helander, L. Höglund, P. F. Shi and B. Sundman: ‘Thermo-Calc and DICTRA, computational tools for materials science’, Calphad, 2002, 26, 273–312. doi: 10.1016/S0364-5916(02)00037-8
   Web of Science ®Google Scholar
• Thermo-Calc Software TCFE8 Steels/Fe-alloys database version 8, (accessed 4 April 2016).
   Google Scholar
• Thermo-Calc Software TCOX5 metal oxide solutions database version 5, (accessed 4 April 2016).
   Google Scholar
• Thermo-Calc Software SLAG2 Fe-containing Slag database version 2.2, (accessed 4 April 2016).
   Google Scholar
• H. Gaye and Welfringer: In 2nd Int. Symp. Metall. Slags Fluxes, Warrendale, PA, Metall. Soc. AIME, 1984, p. 357.
   Google Scholar
• Z. Deng and M. Zhu: ‘Deoxidation mechanism of Al-killed steel during industrial refining process’, ISIJ Int., 2014, 54, 1498–1506. doi: 10.2355/isijinternational.54.1498
   Web of Science ®Google Scholar
• A. Ikesue, H. Yamamoto, H. Shikano and K. Hiragushi: Corrosion mechanism of MgO-C refractories by manganese oxide containing slag, advances in refractories technology. Proc. Int. Forum on Advances in Refractories Technology Cincinnati, 2–4 May 1988, 464–488.
   Google Scholar
• M.-A. Van Ende, M. Guo, P. T. Jones, B. Blanpain and P. Wollants: ‘Degradation of MgO–C refractories by MnO-rich stainless steel slags’, Ceram. Int., 2009, 35, 2203–2212. doi: 10.1016/j.ceramint.2008.12.007
   Web of Science ®Google Scholar
• J. Pierard, D. Sichen, P. Jönsson, S. Seetharaman and T. Landin: ‘Effect of slag on carbon bearing MgO refractories’, Ironmak. Steelmak., 1998, 25, (5), 374–381.
   Web of Science ®Google Scholar
• www.heraeus-electro-nite.com; Celox_application_manual.pdf.
   Google Scholar