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ZÁDĚRA, A. DULAVA, M. PERNICA, V. KAŇA, V.
Originální název
Oxygen activity in melts of Fe-C-Cr-Ni based alloys
Typ
článek v časopise ve Web of Science, Jimp
Jazyk
angličtina
Originální abstrakt
Oxygen is an element that is first purposely brought into the steel melt to remove some unwanted elements or to reduce their concentration (oxidation). In the made cast steel there is on the contrary necessary to reduce the oxygen content with the use of deoxidation to such a level in order to avoid a reaction with carbon with the formation of CO bubbles. Concentration of oxygen in steel before casting is given, in particular, by the manner of metallurgical processing and the used deoxidation process. Oxygen is found in molten steels both as chemically bound in the form of oxides and in the form of oxygen dissolved in the solution – the melt.Chemical composition of the melt strongly influences the activity of oxygen dissolved in the melt and further on the composition of oxidic inclusions forming in the melt during the reaction with oxygen. In the Fe-C-Cr-Ni based alloys in the reaction with oxygen greatly participates also chrome, whose products are often in solid state and they are the cause of forming such defects as e.g. oxidic films.
Klíčová slova
oxygen activity, polycomponent solution, thermodynamic equilibrium, activity coefficient
Autoři
ZÁDĚRA, A.; DULAVA, M.; PERNICA, V.; KAŇA, V.
Vydáno
25. 10. 2016
Nakladatel
Polish Academy of Sciences
Místo
GLIWICE, POLAND
ISSN
1897-3310
Periodikum
Archives of foundry engineering
Ročník
16
Číslo
4
Stát
Polská republika
Strany od
181
Strany do
186
Strany počet
6
URL
https://journals.pan.pl/Content/101950/PDF/afe-2016-0106.pdf
BibTex
@article{BUT155348, author="Antonín {Záděra} and Martin {Dulava} and Vítězslav {Pernica} and Václav {Kaňa}", title="Oxygen activity in melts of Fe-C-Cr-Ni based alloys", journal="Archives of foundry engineering", year="2016", volume="16", number="4", pages="181--186", doi="10.1515/afe-2016-0106", issn="1897-3310", url="https://journals.pan.pl/Content/101950/PDF/afe-2016-0106.pdf" }