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Erschienen in: Metallurgical and Materials Transactions B 4/2014

01.08.2014

Detection of Non-metallic Inclusions in Steel Continuous Casting Billets

verfasst von: Ying Ren, Yufeng Wang, Shusen Li, Lifeng Zhang, Xiangjun Zuo, Simon N. Lekakh, Kent Peaslee

Erschienen in: Metallurgical and Materials Transactions B | Ausgabe 4/2014

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Abstract

This work applied automated particle analysis to study non-metallic inclusions in steel. Compared with traditional methods, the approach has the advantage of capturing the morphology, measuring the size, recording the original positions, and identifying the composition of inclusions on a selected area in a short time. The morphology and composition of typical inclusions were analyzed using partial acid extraction and discussed through thermodynamic calculation. Steel samples were collected from the entire cross section of billets cast during times of steady state and ladle change. The spatial distribution of inclusions agreed well with the measurement of the total oxygen. The spatial distribution of inclusions was plotted to represent the entrapment positions of inclusions on the casting strand and their concentration on the cross section of the billet. Also, regarding the different size and type of inclusions, the spatial distribution of classified inclusions was explored such as the distribution of sulfide, oxide, and high sodium and potassium content inclusions. The sufficient information could be used to identify the source of inclusions and guide the steel refining process.

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Metadaten
Titel
Detection of Non-metallic Inclusions in Steel Continuous Casting Billets
verfasst von
Ying Ren
Yufeng Wang
Shusen Li
Lifeng Zhang
Xiangjun Zuo
Simon N. Lekakh
Kent Peaslee
Publikationsdatum
01.08.2014
Verlag
Springer US
Erschienen in
Metallurgical and Materials Transactions B / Ausgabe 4/2014
Print ISSN: 1073-5615
Elektronische ISSN: 1543-1916
DOI
https://doi.org/10.1007/s11663-014-0042-y

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