A new method for apparent thermal conductivity measurement of mould flux

Mu Li; Rie Endo; Li Ju Wang; Masahiro Susa

doi:10.1007/978-3-319-48769-4_50

A new method for apparent thermal conductivity measurement of mould flux

Mu Li, Rie Endo, Li Ju Wang, Masahiro Susa

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

A new quasi-steady state hot plate method has been proposed to measure heat flux across a sheet sample such as mould flux film, finally to determine its apparent thermal conductivity via Fourier’s equation. The heat flux across the sheet sample is derived from the volume change caused by melting of ice utilizing a modified Bunsen Ice Calorimeter. This measurement method was applied to Ni-base super alloy (Inconel 600), alumina and PTFE (Teflon) with known thermal conductivity values to confirm the reliability of this new method. The experimental thermal conductivity values obtained were in good agreement with the respective reported values. Measurements were also conducted on sheet silica glasses which sized 20×20×0.5 mm³ and 20×20×1.0 mm³, and produced a value of 1.34 ± 0.03 Wm^-1K^-1 at 293 K – 303 K under a temperature gradient of 20 Kmm^-1, which value is reasonable compared with the reported one. In addition, a process simulation has been applied to confirm the applicability of the present method to mould flux used in continuous casting under a steep temperature gradient at high temperature.

Original language	English
Title of host publication	Advances in Molten Slags, Fluxes, and Salts
Subtitle of host publication	Proceedings of the 10th International Conference on Molten Slags, Fluxes and Salts 2016
Editors	Ramana G. Reddy, Pinakin Chaubal, P. Chris Pistorius, Uday Pal
Publisher	Springer International Publishing AG
Pages	477-484
Number of pages	8
ISBN (Print)	9783319486253
DOIs	https://doi.org/10.1007/978-3-319-48769-4_50
Publication status	Published - 2017
Externally published	Yes
Event	10th International Conference on Molten Slags, Fluxes and Salts, MOLTEN 2016 - Seattle, United States Duration: 2016 May 22 → 2016 May 25

Publication series

Name	Advances in Molten Slags, Fluxes, and Salts: Proceedings of the 10th International Conference on Molten Slags, Fluxes and Salts 2016

Conference

Conference	10th International Conference on Molten Slags, Fluxes and Salts, MOLTEN 2016
Country/Territory	United States
City	Seattle
Period	16/5/22 → 16/5/25

Keywords

Mould flux
Quasi-steady state hot plate method
Silica glass
Thermal conductivity

ASJC Scopus subject areas

Mechanical Engineering
Mechanics of Materials
Materials Chemistry
Metals and Alloys

Access to Document

10.1007/978-3-319-48769-4_50

Cite this

Li, M., Endo, R., Wang, L. J., & Susa, M. (2017). A new method for apparent thermal conductivity measurement of mould flux. In R. G. Reddy, P. Chaubal, P. C. Pistorius, & U. Pal (Eds.), Advances in Molten Slags, Fluxes, and Salts: Proceedings of the 10th International Conference on Molten Slags, Fluxes and Salts 2016 (pp. 477-484). (Advances in Molten Slags, Fluxes, and Salts: Proceedings of the 10th International Conference on Molten Slags, Fluxes and Salts 2016). Springer International Publishing AG. https://doi.org/10.1007/978-3-319-48769-4_50

A new method for apparent thermal conductivity measurement of mould flux. / Li, Mu; Endo, Rie; Wang, Li Ju et al.

Advances in Molten Slags, Fluxes, and Salts: Proceedings of the 10th International Conference on Molten Slags, Fluxes and Salts 2016. ed. / Ramana G. Reddy; Pinakin Chaubal; P. Chris Pistorius; Uday Pal. Springer International Publishing AG, 2017. p. 477-484 (Advances in Molten Slags, Fluxes, and Salts: Proceedings of the 10th International Conference on Molten Slags, Fluxes and Salts 2016).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Li, M, Endo, R, Wang, LJ & Susa, M 2017, A new method for apparent thermal conductivity measurement of mould flux. in RG Reddy, P Chaubal, PC Pistorius & U Pal (eds), Advances in Molten Slags, Fluxes, and Salts: Proceedings of the 10th International Conference on Molten Slags, Fluxes and Salts 2016. Advances in Molten Slags, Fluxes, and Salts: Proceedings of the 10th International Conference on Molten Slags, Fluxes and Salts 2016, Springer International Publishing AG, pp. 477-484, 10th International Conference on Molten Slags, Fluxes and Salts, MOLTEN 2016, Seattle, United States, 16/5/22. https://doi.org/10.1007/978-3-319-48769-4_50

Li M, Endo R, Wang LJ, Susa M. A new method for apparent thermal conductivity measurement of mould flux. In Reddy RG, Chaubal P, Pistorius PC, Pal U, editors, Advances in Molten Slags, Fluxes, and Salts: Proceedings of the 10th International Conference on Molten Slags, Fluxes and Salts 2016. Springer International Publishing AG. 2017. p. 477-484. (Advances in Molten Slags, Fluxes, and Salts: Proceedings of the 10th International Conference on Molten Slags, Fluxes and Salts 2016). doi: 10.1007/978-3-319-48769-4_50

Li, Mu ; Endo, Rie ; Wang, Li Ju et al. / A new method for apparent thermal conductivity measurement of mould flux. Advances in Molten Slags, Fluxes, and Salts: Proceedings of the 10th International Conference on Molten Slags, Fluxes and Salts 2016. editor / Ramana G. Reddy ; Pinakin Chaubal ; P. Chris Pistorius ; Uday Pal. Springer International Publishing AG, 2017. pp. 477-484 (Advances in Molten Slags, Fluxes, and Salts: Proceedings of the 10th International Conference on Molten Slags, Fluxes and Salts 2016).

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abstract = "A new quasi-steady state hot plate method has been proposed to measure heat flux across a sheet sample such as mould flux film, finally to determine its apparent thermal conductivity via Fourier{\textquoteright}s equation. The heat flux across the sheet sample is derived from the volume change caused by melting of ice utilizing a modified Bunsen Ice Calorimeter. This measurement method was applied to Ni-base super alloy (Inconel 600), alumina and PTFE (Teflon) with known thermal conductivity values to confirm the reliability of this new method. The experimental thermal conductivity values obtained were in good agreement with the respective reported values. Measurements were also conducted on sheet silica glasses which sized 20×20×0.5 mm3 and 20×20×1.0 mm3, and produced a value of 1.34 ± 0.03 Wm-1K-1 at 293 K – 303 K under a temperature gradient of 20 Kmm-1, which value is reasonable compared with the reported one. In addition, a process simulation has been applied to confirm the applicability of the present method to mould flux used in continuous casting under a steep temperature gradient at high temperature.",

keywords = "Mould flux, Quasi-steady state hot plate method, Silica glass, Thermal conductivity",

author = "Mu Li and Rie Endo and Wang, {Li Ju} and Masahiro Susa",

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AB - A new quasi-steady state hot plate method has been proposed to measure heat flux across a sheet sample such as mould flux film, finally to determine its apparent thermal conductivity via Fourier’s equation. The heat flux across the sheet sample is derived from the volume change caused by melting of ice utilizing a modified Bunsen Ice Calorimeter. This measurement method was applied to Ni-base super alloy (Inconel 600), alumina and PTFE (Teflon) with known thermal conductivity values to confirm the reliability of this new method. The experimental thermal conductivity values obtained were in good agreement with the respective reported values. Measurements were also conducted on sheet silica glasses which sized 20×20×0.5 mm3 and 20×20×1.0 mm3, and produced a value of 1.34 ± 0.03 Wm-1K-1 at 293 K – 303 K under a temperature gradient of 20 Kmm-1, which value is reasonable compared with the reported one. In addition, a process simulation has been applied to confirm the applicability of the present method to mould flux used in continuous casting under a steep temperature gradient at high temperature.

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A new method for apparent thermal conductivity measurement of mould flux

Abstract

Publication series

Conference

Keywords

ASJC Scopus subject areas

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