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Metallurgist
Published in: Metallurgist 1-2/2018

21-06-2018

Formation of Transverse Surface Cracks During Peritectic Steel Continuous Casting

Authors: A. V. Fedosov, A. M. Skrebtsov, D. V. Pashchuk

Published in: Metallurgist | Issue 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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Metadata
Title
Formation of Transverse Surface Cracks During Peritectic Steel Continuous Casting
Authors
A. V. Fedosov
A. M. Skrebtsov
D. V. Pashchuk
Publication date
21-06-2018
Publisher
Springer US
Published in
Metallurgist / Issue 1-2/2018
Print ISSN: 0026-0894
Electronic ISSN: 1573-8892
DOI
https://doi.org/10.1007/s11015-018-0623-0

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