Features of silicon behavior when introduced into oxidized copper melt
https://doi.org/10.17073/0021-3438-2016-4-42-46
Abstract
The paper examines the features of silicon behavior (neat – Kr0 grade, alloy – Cu–50 % Si) when introduced into oxidized copper melt. The minimum value of oxygen content in copper was found. With this value silicon introduction leads not to deoxidation of the entire volume with silicon oxide formation, but only to surface deoxidation at the «silicon/oxidized molten copper» interface with the formation of liquid Cu–Si alloy immiscible with the main melt and shaped as a ball with a total weight of 5–10 % of the whole melt. The mechanism of such ball appearance was described. It was found that the ball formation rate is affected by the amount of oxygen in molten copper. The results obtained are valuable from a practical perspective and may be used in copper alloy production.
About the Authors
S. P. Gerasimov
National University of Science and Technology «MISIS»
Russian Federation
Russian Federation
Cand. Sci. (Eng.), Prof., Department of foundry technologies and art processing of materials,
119049, Moscow, Leninsky pr-t, 4
A. A. Mukhamedova
National University of Science and Technology «MISIS»
Russian Federation
Cand. Sci., Engineer of the Department of foundry technologies and art processing of materials
Russian Federation
Cand. Sci., Engineer of the Department of foundry technologies and art processing of materials
A. Yu. Titov
National University of Science and Technology «MISIS»
Russian Federation
Post-Graduate Student of the Department of foundry technologies and art processing of materials
Russian Federation
Post-Graduate Student of the Department of foundry technologies and art processing of materials
V. A. Palachev
National University of Science and Technology «MISIS»
Russian Federation
Cand. Sci., Associate Professor of the Department of foundry technologies and art processing of materials
Russian Federation
Cand. Sci., Associate Professor of the Department of foundry technologies and art processing of materials
A. N. Konovalov
National University of Science and Technology «MISIS»
Russian Federation
Cand. Sci. (Eng.), Associate Professor of the Department of foundry technologies and art processing of materials
Russian Federation
Cand. Sci. (Eng.), Associate Professor of the Department of foundry technologies and art processing of materials
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Review
For citations:
Gerasimov S.P., Mukhamedova A.A., Titov A.Yu., Palachev V.A., Konovalov A.N. Features of silicon behavior when introduced into oxidized copper melt. Izvestiya. Non-Ferrous Metallurgy. 2016;(4):42-46. (In Russ.) https://doi.org/10.17073/0021-3438-2016-4-42-46
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