Особливості перерозподілу конвективних потоків в процесі заливки і формування крупного зливка

• Datum: 2023
• Hauptverfasser: Тарасевич, М. І., Нарівський, А. В., Смірнов, О. М., Тарасевич, І. М., Корнієць, І. В.
• Format: Artikel
• Sprache: Ukrainian
• Veröffentlicht: National Academy of Sciences of Ukraine, Physical-Technological Institute of Metals and Alloys of NAS of Ukraine 2023
• Schlagworte: великий зливок; математичне та комп’ютерне моделювання; конвективні потоки; виливниця; сепарація
• Online Zugang: https://plit-periodical.org.ua/index.php/plit/article/view/peculiarities-flows-redistribution-during-filling-and-formation-
• Назва журналу: Casting Processes

Physico-Technological Institute of Metals and Alloys of the NAS of Ukraine (Kyiv, Ukraine) Received 20.01.2022 UDK 669.14:62-412:621.746.5 There is executed the investigation of convective flows redistribution during the liquid metal pouring into mold on the base of mathematical and computer simulation in this work. It is shown that during the ingot pouring with 114 kg/s mass velocity pouring the liquid metal overheat over liquidus iso therm is removed and the separation of metal layers cooled during the mold filling takes place. This phenomenon can influence on the appearance of chemical and physical heterogeneity in ingots during their formation.   References 1 Smyrnov A. N., Makurov S. L., Safonov V. M., Tsuprun A. Yu. (2009). Krupnыi slytok. [Large ingot]. Donetsk natsyonalnyi tekhn. University. Donetsk: «Veber». P. 279. [in Russian].2 Yefimov V. A., Legenchuk V. I., Buklan B. A. (1982). Izucheniye rosta kristallov i formirovaniye fizicheskoy i khimicheskoy neodnorodnosti stal'nogo slitka. Fiziko-khimicheskiye vozdeystviya na kristallizatsiyu stali (sb. nauchnykh trudov). [Study of crystal growth and the formationof physical and chemical inhomogeneity of a steel ingot. Physical and chemical effects on the crystallization of steel (collection of scientific papers).] Kyiv: IPL of the NAN Ukraine. P. 3–10. [in Russian].3 Humaniuk S. B., Rutskyi D. V., Ziuban N. A., Puzykov A. Ya., Koftunov E. R. (2019). Issledovanye kynetyky zatverdevanyia slytkov na osnove fyzycheskoho modelyrovanyia razlyvky y krystallyzatsyy rasplava. [Study of the kinetics of solidification of ingots basedon physical modeling of casting and melt crystallization]. Chernaia metallurhyia. Bulletin of scientific, technical and economic information. V. 75. No 7. P. 818–827. [in Russian].4 Broitman O. A., Monastirskyi A. V., Malhynov A. N., Makaricheva E. V., Sapaev D. Yu. (2011). Kompiuternoe modelyrovanye protsessov formyrovanyia krupnыkh stalnыkh kuznechnыkh slytkov. [Computer simulation of the formation of large steel forging ingots]. LyteishchykRossii. 2011. No 190. [in Russian].