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To 75th anniversary of Sergey Zhulyev, founder of the scientific school of materials technology in Volgograd state technical university
Название Experimental and computational study of the temperature field in a bloom heated for plastic deformation using physical modeling
DOI 10.17580/chm.2023.10.12
Автор O. B. Kryuchkov, P. I. Malenko, L. G. Saranin, A. E. Boldyrev
Информация об авторе

Volgograd State Technical University, Volgograd, Russia

O. B. Kryuchkov, Cand. Eng., Associate Prof., Dept. of Materials Technology, e-mail: bardb@mail.ru


Tula State University, Tula, Russia
P. I. Malenko, Cand. Eng., Associate Prof., Dept. of Mechanical Engineering and Materials Science, e-mail: malenko@tsu.tula.ru
L. G. Saranin, Postgraduate Student, Dept. of Mechanical Engineering and Materials Science
A. E. Boldyrev, Master's Student, Dept. of Mechanical Engineering and Materials Science


When heating billets stacked in several layers in a chamber furnace, there is a danger of uneven heating, which increases the duration of exposure. As a rule, the actual temperature of the heated metal is difficult to control, and the heating mode is carried out using furnace thermocouples, which often do not show the correct picture of the process.Thus, knowledge of the temperature distribution over the cross-section of the heated blanks will contribute to obtaining a suitable high–quality billet, help optimize the temperature regime, and ultimately increase the productivity of the furnace, reduce fuel and electricity consumption. In this paper, a study of the temperature field in a single 15.5-ton bloom made of steel 35 heated in a chamber electric furnace was carried out using physical modelingTo calculate the temperature and time scales of modeling, methods were used to determine the coefficient of thermal conductivity and thermal conductivity, and the density of silicate bricks was also calculated. To determine the thermophysical parameters of heating the sample and model, as well as the coefficients of heat transfer by radiation and convection, the MathConnex mathematical package (part of MathCad Pro) was used. As a result of the work carried out, the model heating mode was experimentally obtained and the data obtained were recalculated to the sample, as a result of which it was found that in the elastic heating region the actual temperature drop along the bloom cross section was 165.79 °C, which is less than acceptable; the temperature drop in the sample at the end of heating before plastic deformation was 53.49 °C. Data on the change in the temperature drop over the cross-section of the model over time are obtained.

Ключевые слова Bloom heating under metal pressure treatment, physical modeling, temperature field, similarity criteria, geometric, temperature, time scale modeling
Библиографический список

1. Ulanovskiy A. A., Taake M., Belenkiy A. M., Bursin A. N., Chibizova S. I. Using a Phoenix TM autonomous automated system for monitoring temperature field of metal to be heated in metallurgical furnaces. Chernye Metally. 2019. No. 9. pp. 54–60.
2. Belenkiy A. M., Dubinskiy M. Yu., Kalimulina S. I. Industrial experiment is the basis for energy saving policy in metallurgical heat engineering. Metallurg. 2010. No. 5. pp. 26–29.
3. Plester D., Taake M. Ten practical tips for ensuring accurate data from reheat profiling. Energy saving technologies in industry. Furnace units. Ecology (October 15–20, 2012, Moscow). Proceedings of the VI International Scientific and Practical Conference. Moscow : MISiS, 2012. pp. 384–391.
4. Marschall Н. U., Jandl C. Design evaluation of BOF-linings with the aid of thermomеchanical simulation. Proceedings of the Iron & Steel Technology Conference: 2–5 May 2011, Indianapolis, Indiana, U.S.A. 2011. Vol. 1. pp. 1223–1230.
5. El Fakir O., Wang L., Balint D., Dear J. P. et al. Numerical study of the solution heat treatment, forming, and in-die quenching (HFQ) process on AA5754. International Journal of Machine Tools and Manufacture. 2014. Vol. 87. pp. 39–48.
6. Su B., Han Z., Zhao Y., Shen B. et al. Numerical simulation of microstructure evolution of heavy steel casting in casting and heat treatment processes. ISIJ International. 2014. Vol. 54, Iss. 2. pp. 408–414.
7. Zhou S., Song B., Xue P., Cai C. et al. Numerical simulation and experimental investigation on densification, shape deformation, and stress distribution of Ti6Al4V compacts during hot isostatic pressing. The International Journal of Advanced Manufacturing Technology. 2017. Vol. 88, Iss. 1–4. pp. 19–31.
8. Shivaram P. K. CFD modeling to simulate gas stirring process using bottom plugs in a steel ladle. AISTech 2015 Proceedings: The Iron and Steel Technology Conference and Exposition, Cleveland, Ohio, 4–7 May, 2015. – Warrendale (Pa). 2015. Vol. 2. pp. 2277–2286.
9. Ginkul S. I., Tuyakhov A. I., Sibirtseva Yu. S. Mathematical modeling of the temperature mode of heating furnaces of rolling mills with simultaneous heating of metal of various assortments. Sbornik nauchnykh trudov DonNTU-2012. Seriya: Metallurgiya. 2012. Iss. 1(14)–2(15). pp. 178–185.
10. Sosedkova M. A., Grigorenko A. S., Radionova L. V. Mathematical model for calculating metal temperature in a hot sheet rolling mill. Vestnik Magnitogorskogo gosudarstvennogo tekhnicheskogo universiteta imeni G. I. Nosova. 2020. Vol. 18. No. 4. pp. 24–31.
11. Gornostaeva T. N., Gornostaev O. M. Mathematical and computer modeling. Tutorial. Moscow : Mir nauki, 2019. 123 p.
12. Novoseltsev V. N. Advantages and disadvantages of mathematical modeling. Fundamentalnye issledovaniya. 2004. No. 6. pp. 121–122.
13. Levykina A. G., Gorbunov K. S., Pozdnyakova A. I., Solovyov V. N. Study of the thermal state of metal using physical and mathematical modeling methods. Vestnik Magnitogorskogo gosudarstvennogo tekhnicheskogo universiteta imeni G. I. Nosova. 2021. Vol. 19. No. 3. pp. 102–108.
14. Zolotukhin N. M. Heating and cooling of metal. Moscow : Mashinostroenie, 1973. 192 p.
15. Kryuchkov O. B., Gabelchenko N. I., Malenko P. I., Saranin L. G. Usage of the MathConnex mathematical package for thermotechnical calculation of heating furnaces. Chernye Metally. 2019. No. 12. pp. 52–60.
16. Kryuchkov O. B., Volchkov V. M., Krokhalev A. V. Modeling and thermal engineering calculations of processes in heating and thermal furnaces: textbook. Part 2: Usage of the computer technology to calculate the heating time of metal products. Volgograd : VolGTU, 2017. 184 p.
17. Babichev A. P. et al. Physical quantities: reference book. Moscow : Energoatomizdat, 1991. 1232 p.
18. Sokolov A. K. Modeling and optimization of metal heating modes in industrial furnaces: Dissertation ... of Candidate of Engineering Sciences. Ivanovo, 1973. 215 p.
19. Krivandin V. A., Markov B. L. Metallurgical furnaces. Moscow : Metallurgiya. 1977. 464 p.
20. Mastryukov B. S. Theory, design and calculations of metallurgical furnaces. In 2 volumes. Vol. 2. Calculations of metallurgical furnaces. Moscow : Metallurgiya. 1986. 376 p.

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