Influence of Electromagnetic Stirring on the Amount of Equiaxed Solidification during Continuous Casting

Publikationen: Thesis / Studienabschlussarbeiten und HabilitationsschriftenDiplomarbeit

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Influence of Electromagnetic Stirring on the Amount of Equiaxed Solidification during Continuous Casting. / Michelic, Sebastian Christoph.
2006.

Publikationen: Thesis / Studienabschlussarbeiten und HabilitationsschriftenDiplomarbeit

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@phdthesis{0117de3e5a7a41bdb7047899a9a9170b,
title = "Influence of Electromagnetic Stirring on the Amount of Equiaxed Solidification during Continuous Casting",
abstract = "The formation of centre segregations during the continuous casting of high carbon steels detrimentally affects the product quality. An increasing fraction of equiaxed solidification has proven most advantageous for a minimisation of these segregations. This can be attained by either decreasing the steel superheat or by the application of mould electromagnetic stirring. In this thesis different approaches for a modelling of the equiaxed solidification are assessed. Hereby the mechanism of dendrite fragmentation is considered on the one hand, and heterogenous nucleation on the other. On the basis of these approaches, a model for a prognosis of the fraction of equiaxed solidification is implemented into an existing solidification model. With the use of parallelly conducted plant trials at a continuous casting plant, first estimates of the significance of such a model are made.",
keywords = "Stranggie{\ss}en elektromagnetisches R{\"u}hren Modellierung, Continuous Casting Electromagnetic Stirring Modelling",
author = "Michelic, {Sebastian Christoph}",
note = "embargoed until null",
year = "2006",
language = "English",
type = "Diploma Thesis",

}

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TY - THES

T1 - Influence of Electromagnetic Stirring on the Amount of Equiaxed Solidification during Continuous Casting

AU - Michelic, Sebastian Christoph

N1 - embargoed until null

PY - 2006

Y1 - 2006

N2 - The formation of centre segregations during the continuous casting of high carbon steels detrimentally affects the product quality. An increasing fraction of equiaxed solidification has proven most advantageous for a minimisation of these segregations. This can be attained by either decreasing the steel superheat or by the application of mould electromagnetic stirring. In this thesis different approaches for a modelling of the equiaxed solidification are assessed. Hereby the mechanism of dendrite fragmentation is considered on the one hand, and heterogenous nucleation on the other. On the basis of these approaches, a model for a prognosis of the fraction of equiaxed solidification is implemented into an existing solidification model. With the use of parallelly conducted plant trials at a continuous casting plant, first estimates of the significance of such a model are made.

AB - The formation of centre segregations during the continuous casting of high carbon steels detrimentally affects the product quality. An increasing fraction of equiaxed solidification has proven most advantageous for a minimisation of these segregations. This can be attained by either decreasing the steel superheat or by the application of mould electromagnetic stirring. In this thesis different approaches for a modelling of the equiaxed solidification are assessed. Hereby the mechanism of dendrite fragmentation is considered on the one hand, and heterogenous nucleation on the other. On the basis of these approaches, a model for a prognosis of the fraction of equiaxed solidification is implemented into an existing solidification model. With the use of parallelly conducted plant trials at a continuous casting plant, first estimates of the significance of such a model are made.

KW - Stranggießen elektromagnetisches Rühren Modellierung

KW - Continuous Casting Electromagnetic Stirring Modelling

M3 - Diploma Thesis

ER -