On the stability of aluminum oxide in carbon steel melts
https://doi.org/10.21122/1683-6065-2023-3-24-27
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Abstract
It is shown that hydrogen atoms in carbon steel melts are surface‑active elements for aluminum oxide microcrystals. Adsorbed hydrogen atoms reduce the interfacial surface energy and increase the resistance of small aluminum oxide microcrystals to coagulation. To reduce their stability in liquid carbon steels, it is necessary to reduce the concentration of dissolved hydrogen in them. Active modifiers reduce the concentration of adsorbed hydrogen. This enhances the process of coagulation of small microcrystals of aluminum oxide into larger particles that can quickly float in the melt.
About the Authors
E. I. Marukovich
Association of Foundrymen and Metallurgists of Belarus
Belarus
Minsk, Belarus, 24, Ya. Kolas str.
Belarus
Minsk, Belarus, 24, Ya. Kolas str.
V. Y. Stetsenko
Association of Foundrymen and Metallurgists of Belarus
Belarus
Minsk, Belarus, 24, Ya. Kolas str.
Belarus
Minsk, Belarus, 24, Ya. Kolas str.
A. V. Stetsenko
Belarusian‑Russian University
Belarus
Mogilev, Belarus, 43, Mira ave.
Belarus
Mogilev, Belarus, 43, Mira ave.
References
1. Golubcov V.A., Lunev V. V. Modificirovanie stali dlya otlivok i slitkov [Steel modification for castings and ingots]. Chelyabinsk - Zaporozhye, ZNTU Publ., 2009, 356 p.
2. Marukovich E. I., Stetsenko V. Yu. Nanostrukturnaya teoriya metallicheskih rasplavov [Nanostructured metal melt theory]. Lit’e i metallurgiya = Foundry production and metallurgy, 2020, no. 3, pp. 7-9.
3. Marukovich E. I., Stetsenko V. Yu., Stetsenko A. V. Vliyanie vodoroda na kristallizaciyu pervichnyh faz litejnyh splavov [The effect of hydrogen on the crystallization of primary phases of foundry alloys]. Litejnoe proizvodstvo = Foundry production, 2022, no. 1, pp. 3-6.
4. Marukovich E. I., Stetsenko V. Yu., Stetsenko A. V. Nanostrukturnaya kristallizaciya litejnyh splavov [Nanostructured crystallization of casting alloys]. Lit’e i metallurgiya = Foundry production and metallurgy, 2022, no. 3, pp. 13-19.
5. Svojstva elementov [Properties of elements]. Moscow, Metallurgiya Publ., 1976, 660 p.
6. Konstanty vzaimodejstviya metallov s gazami: spravochnik [Metal‑Gas Interaction Constants: Reference]. Moscow, Metallurgiya Publ., 1987, 368 p.
7. Fiziko‑himicheskie svojstva okislov [Physico‑chemical properties of oxides]. Moscow, Metallurgiya Publ., 1987, 472 p.
8. Kurdyumov A. V., Belov V. D., Pikunov M. V. et al. Proizvodstvo otlivok iz splavov cvetnyh metallov [Production of castings from non‑ferrous metal alloys]. Moscow, Izd. Dom MISiS Publ., 2011, 615 p.
Review
For citations:
Marukovich E.I., Stetsenko V.Y., Stetsenko A.V. On the stability of aluminum oxide in carbon steel melts. Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY). 2023;(3):24-27. (In Russ.) https://doi.org/10.21122/1683-6065-2023-3-24-27
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ISSN 1683-6065 (Print)
ISSN 2414-0406 (Online)
ISSN 2414-0406 (Online)
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