Investigation of Melting Behavior and Viscosity of Slags from Secondary Ferromanganese Production
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Furnace Tapping, 2022. Hrsg. / Joalet D. Steenkamp; Dean Gregurek; Quinn G. Reynolds; Gerardo Alvear Flores; Hugo Joubert; Phillip J. Mackey. 2022. S. 311-324 (Minerals, Metals and Materials Series).
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TY - GEN
T1 - Investigation of Melting Behavior and Viscosity of Slags from Secondary Ferromanganese Production
AU - Scheiblehner, David
AU - Sagadin, Christoph
AU - Luidold, Stefan
AU - Antrekowitsch, Helmut
AU - Offenthaler, Dieter
N1 - Publisher Copyright: © 2022, The Minerals, Metals & Materials Society.
PY - 2022/2/3
Y1 - 2022/2/3
N2 - Viscosity and melting behavior are two of the most important properties of industrial slags as they directly impact the yield of metallurgical processes. Too high fluidity may cause losses during tapping or infiltration of refractory while too viscous liquids can lead to problems regarding the smelting of charged material or metal inclusions. This paper comprises the determination of melting behavior and viscosity of slags as functions of their composition. Therefore, 19 mixtures of different oxides have been prepared and melted by means of an induction furnace. An analysis of the resulting slags in a hot stage microscope and the computation of the corresponding viscosities allow an evaluation of the most important parameters. Significant variations of viscosity and characteristic temperatures can be measured as functions of the content of manganese oxide and the ratio between calcium oxide and silicon dioxide, respectively, besides a strong temperature dependency and a major influence of network-forming oxides.
AB - Viscosity and melting behavior are two of the most important properties of industrial slags as they directly impact the yield of metallurgical processes. Too high fluidity may cause losses during tapping or infiltration of refractory while too viscous liquids can lead to problems regarding the smelting of charged material or metal inclusions. This paper comprises the determination of melting behavior and viscosity of slags as functions of their composition. Therefore, 19 mixtures of different oxides have been prepared and melted by means of an induction furnace. An analysis of the resulting slags in a hot stage microscope and the computation of the corresponding viscosities allow an evaluation of the most important parameters. Significant variations of viscosity and characteristic temperatures can be measured as functions of the content of manganese oxide and the ratio between calcium oxide and silicon dioxide, respectively, besides a strong temperature dependency and a major influence of network-forming oxides.
KW - Melting behavior
KW - Pyrometallurgy
KW - Slags
KW - Viscosity
UR - http://www.scopus.com/inward/record.url?scp=85125272025&partnerID=8YFLogxK
U2 - 10.1007/978-3-030-92544-4_23
DO - 10.1007/978-3-030-92544-4_23
M3 - Conference contribution
AN - SCOPUS:85125272025
SN - 9783030925437
T3 - Minerals, Metals and Materials Series
SP - 311
EP - 324
BT - Furnace Tapping, 2022
A2 - Steenkamp, Joalet D.
A2 - Gregurek, Dean
A2 - Reynolds, Quinn G.
A2 - Alvear Flores, Gerardo
A2 - Joubert, Hugo
A2 - Mackey, Phillip J.
T2 - Furnace Tapping held at the TMS Annual Meeting and Exhibition, 2022
Y2 - 27 February 2022 through 3 March 2022
ER -
