Significance of an inclined plane test for mould slag assessment

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Standard

Significance of an inclined plane test for mould slag assessment. / Marschall, Irmtraud; Harmuth, Harald; Kircher, Volkmar.

Proceedings of the 10th European Conference on Continuous Casting. Mailand : Associazione Italiana di Metallurgia, 2021. CC_017.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Harvard

Marschall, I, Harmuth, H & Kircher, V 2021, Significance of an inclined plane test for mould slag assessment. in Proceedings of the 10th European Conference on Continuous Casting., CC_017, Associazione Italiana di Metallurgia, Mailand, 10th European Conference on Continuous Casting (ECCC 2021), Bari, Italy, 20/10/21.

APA

Marschall, I., Harmuth, H., & Kircher, V. (2021). Significance of an inclined plane test for mould slag assessment. In Proceedings of the 10th European Conference on Continuous Casting [CC_017] Associazione Italiana di Metallurgia.

Vancouver

Marschall I, Harmuth H, Kircher V. Significance of an inclined plane test for mould slag assessment. In Proceedings of the 10th European Conference on Continuous Casting. Mailand: Associazione Italiana di Metallurgia. 2021. CC_017

Author

Marschall, Irmtraud ; Harmuth, Harald ; Kircher, Volkmar. / Significance of an inclined plane test for mould slag assessment. Proceedings of the 10th European Conference on Continuous Casting. Mailand : Associazione Italiana di Metallurgia, 2021.

Bibtex - Download

@inproceedings{3ef3f4c9330b4814b4ed46c1e4f91c63,
title = "Significance of an inclined plane test for mould slag assessment",
abstract = "The viscosity of mould slags is one key parameter in the continuous casting process of steel. Its measurement using a viscometer is costly and time and consuming. Therefore, beside viscosity modelling, an inclined plane test to determine viscosity was proposed by several authors. The task of this study was to find out, whether this method is suitable for quality control of mould slags, or not. Therefore, an inclined plane test device (IPT) was constructed and operated. At the same time, the slags were investigated by a viscometer. In total, 80 different slag compositions were investigated. Several options to represent the viscosity as a function of the ribbon length have been studied, and a suitable relation is proposed. It serves for detailed statistical studies to assess the error of IPT. While the relation between viscosity and length shows a satisfactory degree of determination (e.g.>0.97) in this study, this still does not ensure sufficient accuracy of individual applications of IPT. As the slag undergoes cooling during the test, also the viscosity change in dependence of the temperature contributes to the result, not only the viscosity of the initial impact temperature. This raises the unexplained variance of the result.",
keywords = "Mould Slag, mould flux, Viscosity, Inclined Plane Test (IPT)",
author = "Irmtraud Marschall and Harald Harmuth and Volkmar Kircher",
year = "2021",
month = oct,
day = "20",
language = "English",
booktitle = "Proceedings of the 10th European Conference on Continuous Casting",
publisher = "Associazione Italiana di Metallurgia",
address = "Italy",
note = "null ; Conference date: 20-10-2021 Through 22-10-2021",

}

RIS (suitable for import to EndNote) - Download

TY - GEN

T1 - Significance of an inclined plane test for mould slag assessment

AU - Marschall, Irmtraud

AU - Harmuth, Harald

AU - Kircher, Volkmar

PY - 2021/10/20

Y1 - 2021/10/20

N2 - The viscosity of mould slags is one key parameter in the continuous casting process of steel. Its measurement using a viscometer is costly and time and consuming. Therefore, beside viscosity modelling, an inclined plane test to determine viscosity was proposed by several authors. The task of this study was to find out, whether this method is suitable for quality control of mould slags, or not. Therefore, an inclined plane test device (IPT) was constructed and operated. At the same time, the slags were investigated by a viscometer. In total, 80 different slag compositions were investigated. Several options to represent the viscosity as a function of the ribbon length have been studied, and a suitable relation is proposed. It serves for detailed statistical studies to assess the error of IPT. While the relation between viscosity and length shows a satisfactory degree of determination (e.g.>0.97) in this study, this still does not ensure sufficient accuracy of individual applications of IPT. As the slag undergoes cooling during the test, also the viscosity change in dependence of the temperature contributes to the result, not only the viscosity of the initial impact temperature. This raises the unexplained variance of the result.

AB - The viscosity of mould slags is one key parameter in the continuous casting process of steel. Its measurement using a viscometer is costly and time and consuming. Therefore, beside viscosity modelling, an inclined plane test to determine viscosity was proposed by several authors. The task of this study was to find out, whether this method is suitable for quality control of mould slags, or not. Therefore, an inclined plane test device (IPT) was constructed and operated. At the same time, the slags were investigated by a viscometer. In total, 80 different slag compositions were investigated. Several options to represent the viscosity as a function of the ribbon length have been studied, and a suitable relation is proposed. It serves for detailed statistical studies to assess the error of IPT. While the relation between viscosity and length shows a satisfactory degree of determination (e.g.>0.97) in this study, this still does not ensure sufficient accuracy of individual applications of IPT. As the slag undergoes cooling during the test, also the viscosity change in dependence of the temperature contributes to the result, not only the viscosity of the initial impact temperature. This raises the unexplained variance of the result.

KW - Mould Slag

KW - mould flux

KW - Viscosity

KW - Inclined Plane Test (IPT)

M3 - Conference contribution

BT - Proceedings of the 10th European Conference on Continuous Casting

PB - Associazione Italiana di Metallurgia

CY - Mailand

Y2 - 20 October 2021 through 22 October 2021

ER -