EXPERT SYSTEM OF ASSESSMENT OF PHYSICOCHEMICAL AND THERMOPHYSICAL PROPERTIES OF MANGANESE-CONTAINING FERROALLOYS
DOI:
https://doi.org/10.34185/Keywords:
manganese-containing ferroalloys, parameters of interatomic interaction, modeling, forecasting, physical, chemical and thermal properties, steel qualityAbstract
The uniqueness of ferroalloys from the point of view of their influence on the targeted formation of the desired structure and properties of metal melts is a rather scientific question that continues to be in trend for many years. Significant progress in the study of physicochemical and thermophysical characteristics of industrial ferroalloys has been achieved by both domestic and foreign scientists. At the same time, ferroalloys and their research have a number of difficulties caused by their high temperature and, as a result, the difficulties of conducting experiments from the standpoint of technological equipment limitations. It is these factors that significantly affect the availability of sometimes contradictory information in literary sources about the primary properties of ferroalloys and require their clarification. Given the demand for reliable data, the Institute of Ferrous Metallurgy is actively developing the Database System, which is a component of the "Metallurgy" data bank as an information foundation for modeling in smelting and blast furnace production. The purpose of the work is an expert assessment of the complex properties of domestically produced manganese-containing ferroalloys in order to obtain a competitive metal. One of the effective methods of describing the physical and chemical nature of the properties of metal melts and their numerical determination, explaining the processes of interactions between them is the concept of directed chemical bonding, which was founded by E.V. Prikhodko at the Iron and Steel Institute of Z.I. Nekrasov National Academy of Sciences of Ukraine. Based on its postulates, the main physicochemical properties of ferroalloys are considered: melting temperature, density, and thermophysical characteristics (thermal conductivity; heat capacity; heat of fusion; specific electrical resistance; temporary resistance). A statistical analysis of a representative sample of the chemical composition of industrial manganese-containing ferroalloys accumulated in the "Metallurgy" Data Bank was performed and analytical expressions for evaluating their physicochemical and thermophysical properties were proposed at the level of interatomic interaction. It is shown that the analysis of the chemical composition of the ferroalloy, only from the standpoint of compliance with the standards of the chemical composition, is not informative and insufficient for assessing the technological direction of its use. The presented complex of developed analytical expressions for predicting important physicochemical and thermophysical properties with high accuracy (R2≥0.9) will allow to create the principles of effective use of even a not quite functional (technological) ferroalloy in terms of its chemical composition. It is the assessment with a view to ensuring the required level of properties that provides reliable data for making management (rational technological) decisions for the production of competitive metal. The work shows that the use of domestic manganese-containing ferroalloys in the considered ranges of composition is possible according to their purpose, subject to certain conditions, according to an expert assessment based on the proposed models. Additional consideration and assessment of this issue made it possible to state the possibility of using domestic manganese-containing ferroalloys with the specified deviations in chemical composition in the production of mass steel.
References
Togobytska D.M. Data bank "Metallurgy" - an information base for forecasting the properties of physico-chemical systems and their melts // D.M. Togobytska, D.O. Stepanenko, A.I. Belkova, A.P. Petrov, Yu.M. Likhachev. - "Modern problems of metallurgy". – 2021. –
No. 24. – P. 140 – 148.
Togobytskaya D.N. Databases and models for expert evaluation of the efficiency of ferroalloys in steel production / Togobytskaya D.N., Pyptyuk V.P., Petrov A.F., Grekov S.V., Snygura I.R., Lykhachev Yu.M. L.A. Golovko // Fundamental and applied problems of ferrous
metallurgy. 2017. – No. 31. – P. 150 – 165.
Piptiuk V.P. Prospects for the generation of new generation ferroalloys for steel alloying and microalloying / V.P. Piptiuk, D.M. Togobytska, I.M. Logozynskyi, B.A. Levin, O.P. Petrov, S.V. Grekov, I. Snigura. R. // – System technologies. Regional interuniversity collection of scientific works. – Issue 4 (117). - Dnipro, 2018. - P. 52 - 60.
A. Kagawa, T. Okamoto. Influence of alloying elements on temperature and composition for peritectic reaction in plain carbon steels. Materials Science and Technology. October 1986. Vol. 2. P. 997 – 1008.
Howe A. A. Estimation of liquidus temperatures for steels / A/ A/ Howe // Ironmaking and Steelmaking/ - 1988. – V. 15. - № 3. – P. 134 – 142.
G. ALLAN: «Castability, solidification mode and residual ferrite distribution in highly alloyed stainless steels», ECSC research project, EUR13941, European Communities,
Luxembourg 1997.
KALENGA WA KALENGA, M. (2021). The challenges in the High Carbon Ferromanganese industry and prospects. METAL Conference Proeedings. https://doi.org/10.37904/metal.2021.4087
Wang, Weisheng et al. “Effect of ferromanganese additions on non-metallic inclusion characteristics in TRIP steel.” Journal of Iron and Steel Research
International 29 (2022): 1464 - 1473. https://doi.org/10.1007/s42243-022-00768-6
Y. Bi, A. Karasev & P. G. Jönsson (2014) Investigations of inclusions in ferrochromium alloys, Ironmaking & Steelmaking, 41:10, 756-762, DOI: 10.1179/1743281214Y.0000000192
Kim, S. J., Shibata, H., Kitamura, S. Y., & Yamaguchi, K. (2020). Novel technology to produce ferromanganese alloy from Steelmaktng slag. In Proceedings of INFACON XIII - 13th International Ferroalloys Congress: Efficient Technologies in Ferroalloy
Industry (pp. 655-662).
M. M. Pande, M. Guo, X. Guo, D. Geysen, S. Devisscher, B. Blanpain & P Wollants (2010) Ferroalloy quality and steel cleanliness, Ironmaking & Steelmaking,37:7, 502-511,
DOI: 10.1179/030192310X12700328925787
Prikhodko E.V. Effectiveness of complex alloying of steels and alloys. - K.: Naukova
dumka, 1995. - 292p.
Togobitska D. and Belkova A. New approach to evaluating the thermodynamic consistency of melts in the "Metal-Slag" system based on interatomic interaction parameters // Lithuanian Journal of Physics. Vol.64, No.1, pp.58-71 (2024). https://doi.org/10.3952/physics.2024.64.1.6
Prikhodko E.V. Metallochemistry of multicomponent systems. - M.:
Metallurgy. - 1995. - 320 p.
Babachenko A.I. Optimizing the chemical composition of steel for railway wheels, which provides stabilization of mechanical and increased operational properties // Babachenko A.Y,. Togobytskaya D.N., Kozachek A.S., Kononenko A.A., Knysh A.V., Snіgura I.R. - Metallurgical and mining industry. – 2016. – No. 2. – P. 67 – 73.
Togobitskaya D.N. Prediction of Ferroalloy Properties for Expert Evaluation of the Efficiency of their Use During Addition to Steel in a Ladle Furnace Unit / Togobitskaya D.N., Piptyuk V.P., Petrov A.F., Grekov E.V., Mirgorodskaya A.S. //Metallurgist. – 2019. Vol 62.
No (11-12). pp. 1115-1122.
Piptiuk V.P. Experimental study of improving the manufacturability of ferrosilicon briquettes for steel production /V.P. Piptyuk, D.M. Togobytska, K.V. Bayul, I.M. Logozynskyi, B.A. Levin, O.P. Petrov, S.V. Grekov, G.O. Andrievsky //Modern problems of metallurgy. Scientific news. - Dnipro. - 2018. - No. 21. - Issue 1. – P.50-55.
Togobytskaya D.N. Forecasting of the properties of ferroalloys for expert assessment of the effectiveness of their use in finishing steel at UCP/ Togobytskaya D.N., Pyptyuk V.P., Petrov A.F., Grekov S.V., Myrhorodskaya A.S. // Metallurgist. 2018. - No. 11. - P. 27 - 32.
Kazachkov I.P. Factors determining the dissolution rate of alloys in liquid steel / I.P. Kazachkov, I.B. Parimonchik // Metallurgy and coke chemistry. -1976. -49. -WITH. 56-59.
Lozovaya E.Yu. Study of the influence of technological factors on the melting time of siliceous ferroalloys in liquid metal. / Lozovaya E.Yu., Zhuchkov V.Y., Nekrasov A.V. //
Melts. -2001. - No. 3. - P.11-17.
Gasik M.I. Physical chemistry and technology of electroferroalloys / M.I. Gasik, N.P. Lyakishev. – Dnepropetrovsk: State Research and Production Enterprise
“System Technologies”. – 2005. 448 p.
Grishchenko S.G. Ferroalloy industry of the world and Ukraine in 2014-2015. / S.G. Grishchenko, V.S. Kutsin, P.A. Kravchenko, S.L. Kudryavtsev // Current problems of metallurgy. 2016. − T.19. − B.1. − P. 279 − 285.
Piptyuk V.P., Stepanenko D.O., Grekov S.V., Khodotova N.Ye. Assessment of the viability of vicorization based on the direct assessment of manganese ferroalloys of ham production with additives in the chemical warehouse. All-Ukrainian scientific and technical conference “SCIENCE AND METALURGY”. - 2022. - P.19 - 20.
D.M. Togobitska, I.R. Snigura, V.P. Piptyuk, S.V. Grekov A new approach to the current problem of direct forming of end melts when steel is finished at the "bucket-furnace" installation // "Fundamental and applied problems of ferrous metallurgy." – 2021. – VIP. 35. – pp. 296 – 309. (In Ukrainian).
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