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Erschienen in: Metallurgist 1-2/2018

21.06.2018

Formation of Transverse Surface Cracks During Peritectic Steel Continuous Casting

verfasst von: A. V. Fedosov, A. M. Skrebtsov, D. V. Pashchuk

Erschienen in: Metallurgist | Ausgabe 1-2/2018

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Abstract

Various mechanisms of transverse crack formation within the surface of continuously-cast billets in the pouring temperature range are analyzed. It is shown that low mechanical properties of peritectic steels in the high-temperature region are due to the high temperature for completion of the δ→γ transformation (Tγ). The effect is considered individually of grain size on metal mechanical properties. Conditions are analyzed for the formation of coarse grains during continuous casting of peritectic steels. It is shown that in the low-temperature region key effects are stress concentration conditions at grain boundaries and intergranular bond forces. On the basis of this analysis, a series of recommendations is proposed for reducing the probability of forming surface cracks in billets.

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Metadaten
Titel
Formation of Transverse Surface Cracks During Peritectic Steel Continuous Casting
verfasst von
A. V. Fedosov
A. M. Skrebtsov
D. V. Pashchuk
Publikationsdatum
21.06.2018
Verlag
Springer US
Erschienen in
Metallurgist / Ausgabe 1-2/2018
Print ISSN: 0026-0894
Elektronische ISSN: 1573-8892
DOI
https://doi.org/10.1007/s11015-018-0623-0

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