Development of a Dross Build-Up Growth Process Model for Hot-Dip Galvanizing Considering Surface Reaction Kinetics

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Development of a Dross Build-Up Growth Process Model for Hot-Dip Galvanizing Considering Surface Reaction Kinetics. / Reiss, Georg; Eßl, Werner; Trasca, Raluca Andreea et al.
In: Metallurgical and materials transactions. B, Process metallurgy and materials processing science, Vol. 55.2024, No. February, 02.2024, p. 53-63.

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@article{d992960b653d44359f62258cf5af7373,
title = "Development of a Dross Build-Up Growth Process Model for Hot-Dip Galvanizing Considering Surface Reaction Kinetics",
abstract = "The minimization of unwanted dross build-up formation on the sink rolls in continuous hot-dipgalvanizing lines is a key goal of the industry. In this study, the CFD multi-physics modeling ofthe surface reaction kinetics for dross build-up growth and the coupling to the mass transfer isthe basis for the evaluation of relevant process parameters. The results of a virtual Design ofExperiments were processed by neural network approaches, as well as linear regressionmodeling to build a surrogate process model. It was found that the bath Al concentration hasthe highest effect (> 80 pct) on the dross build-up rate on the sink rolls. Operating the zinc bathat higher Al concentrations decreases the dross build-up reaction rate. Furthermore, it wasfound by the CFD multi-physics model that the local dross build-up rate increases toward theedges of the roll grooves which might lead to the occurrence of strip surface defects.",
keywords = "Dross Build-Up, Grwoth Process Model, Hot-Dip Galvanizing",
author = "Georg Reiss and Werner E{\ss}l and Trasca, {Raluca Andreea} and Claudia Mugrauer and Mihaela Stefan-Kharicha and Abdellah Kharicha and Eva Gerold and Frank Goodwin",
note = "Publisher Copyright: {\textcopyright} 2023, The Minerals, Metals & Materials Society and ASM International.",
year = "2024",
month = feb,
doi = "10.1007/s11663-023-02921-2",
language = "English",
volume = "55.2024",
pages = "53--63",
journal = "Metallurgical and materials transactions. B, Process metallurgy and materials processing science",
issn = "1073-5615",
publisher = "Elsevier",
number = "February",

}

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TY - JOUR

T1 - Development of a Dross Build-Up Growth Process Model for Hot-Dip Galvanizing Considering Surface Reaction Kinetics

AU - Reiss, Georg

AU - Eßl, Werner

AU - Trasca, Raluca Andreea

AU - Mugrauer, Claudia

AU - Stefan-Kharicha, Mihaela

AU - Kharicha, Abdellah

AU - Gerold, Eva

AU - Goodwin, Frank

N1 - Publisher Copyright: © 2023, The Minerals, Metals & Materials Society and ASM International.

PY - 2024/2

Y1 - 2024/2

N2 - The minimization of unwanted dross build-up formation on the sink rolls in continuous hot-dipgalvanizing lines is a key goal of the industry. In this study, the CFD multi-physics modeling ofthe surface reaction kinetics for dross build-up growth and the coupling to the mass transfer isthe basis for the evaluation of relevant process parameters. The results of a virtual Design ofExperiments were processed by neural network approaches, as well as linear regressionmodeling to build a surrogate process model. It was found that the bath Al concentration hasthe highest effect (> 80 pct) on the dross build-up rate on the sink rolls. Operating the zinc bathat higher Al concentrations decreases the dross build-up reaction rate. Furthermore, it wasfound by the CFD multi-physics model that the local dross build-up rate increases toward theedges of the roll grooves which might lead to the occurrence of strip surface defects.

AB - The minimization of unwanted dross build-up formation on the sink rolls in continuous hot-dipgalvanizing lines is a key goal of the industry. In this study, the CFD multi-physics modeling ofthe surface reaction kinetics for dross build-up growth and the coupling to the mass transfer isthe basis for the evaluation of relevant process parameters. The results of a virtual Design ofExperiments were processed by neural network approaches, as well as linear regressionmodeling to build a surrogate process model. It was found that the bath Al concentration hasthe highest effect (> 80 pct) on the dross build-up rate on the sink rolls. Operating the zinc bathat higher Al concentrations decreases the dross build-up reaction rate. Furthermore, it wasfound by the CFD multi-physics model that the local dross build-up rate increases toward theedges of the roll grooves which might lead to the occurrence of strip surface defects.

KW - Dross Build-Up

KW - Grwoth Process Model

KW - Hot-Dip Galvanizing

UR - http://www.scopus.com/inward/record.url?scp=85174743478&partnerID=8YFLogxK

U2 - 10.1007/s11663-023-02921-2

DO - 10.1007/s11663-023-02921-2

M3 - Article

VL - 55.2024

SP - 53

EP - 63

JO - Metallurgical and materials transactions. B, Process metallurgy and materials processing science

JF - Metallurgical and materials transactions. B, Process metallurgy and materials processing science

SN - 1073-5615

IS - February

ER -