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Study of the scale behaviour in the finishing mill toimprove the strip surface quality

Published online by Cambridge University Press:  05 November 2009

D. Espinosa ,
G. Lannoo ,
J. Malbrancke ,
G. Moreas  and
M. Picard
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Abstract

The cracking behaviour of the oxide layer formed duringhot rolling has been studied together with differentcombinations of process parameters in order to find theirsingle influence on the surface quality and formation ofoxide defects. Several trials have been performed on theCRM pilot line to study in detail the impact of strip reduction,strip temperature, entry scale thickness, roll degradation,lubrication, skin cooling, chemical composition andhumidity on the scale behaviour. In general the degree ofdeformation, entry scale thickness and rolling temperaturesare the more important parameters and the importancedecreases in that order.

Type
Research Article
Information
Metallurgical Research & Technology , Volume 106 , Issue 11: Coke MakingContinuous CastingHot RollingNon Destructive Testing , November 2009 , pp. 518 - 528
Copyright
© La Revue de Métallurgie, 2009

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