A STUDY ON THE SURFACE ROUGHNESS OF GALVANNEALED LOW CARBON Al-KILLED AND Ti-Nb STABILIZED INTERSTITIAL FREE STEELS
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Date
2021
Journal Title
Journal ISSN
Volume Title
Publisher
Polska Akad Nauk, Polish Acad Sciences, Inst Metall & Mater Sci Pas
Access Rights
info:eu-repo/semantics/closedAccess
Abstract
In this study, the surface roughness of galvannealed low carbon Al-killed and Ti-Nb stabilized interstitial free steels was investigated using the industrial galvannealing process parameters. The iron content of the coatings was also analysed to establish a relationship with the surface roughness and coating composition. The surface roughness displayed an exponential behaviour with increasing of annealing time at each annealing temperature in both steel coatings, which was in an increasing order in the galvannealed low carbon Al-killed steel coating, whereas it was a reverse order in the galvannealed Ti-Nb stabilized interstitial free steel coating. The craters were observed on the galvannealed coatings resulting in high surface roughness. Increasing the iron content of the coatings leads to a reduction in the surface roughness with delta(1k) phase.
Description
Keywords
Galvannealing, galvannealed steel, hot-dip galvanizing, Fe-Zn phases, surface roughness, Evolution, Layers
Journal or Series
Archives Of Metallurgy And Materials
WoS Q Value
Q4
Scopus Q Value
Q4
Volume
66
Issue
3
