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Metallurgist
Erschienen in: Metallurgist 1-2/2011

01.05.2011

Development of a theory of the strength of continuous-cast semifinished products made of peritectic low-alloy steel

verfasst von: Yu. A. Samoilovich

Erschienen in: Metallurgist | Ausgabe 1-2/2011

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Abstract

A mathematical model is presented to describe the thermal stress state of the solidifying skin of the ingot during the continuous casting of peritectic low-carbon steel. A theoretical analysis performed with the use of the proposed model revealed that the magnitude of the tensile stresses in the ingot skin is significantly affected by the increased amount of shrinkage which occurs due to the δ→γ phase transformation. This effect is particularly strong during the intensive heat exchange that takes place near the top edge of the mold. The calculated thermal stresses in the skin are 1.5–2 times greater than the ultimate strength of the steel at temperatures close to the alloy’s solidus, which accounts for the high probability of rupture of the skin.
Vorheriger Artikel Modernization of the secondary cooling system of a continuous slab caster at ural steel
Nächster Artikel New types of unfavorable nonmetallic inclusions based on MgO–Al2O3 and metallurgical factors governing their content in metal. Part 1. Reasons and mechanisms for formation in steel of nonmetallic inclusions based on alumina magnesia spinel

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Metadaten
Titel
Development of a theory of the strength of continuous-cast semifinished products made of peritectic low-alloy steel
verfasst von
Yu. A. Samoilovich
Publikationsdatum
01.05.2011
Verlag
Springer US
Erschienen in
Metallurgist / Ausgabe 1-2/2011
Print ISSN: 0026-0894
Elektronische ISSN: 1573-8892
DOI
https://doi.org/10.1007/s11015-011-9397-3

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