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MICROALLOYED PIPE LINE STEEL FRACTURE ANALYSIS DURING CONTINUOUS CASTING PROCESS

1 MISHIN Vasiliy
Co-authors:
1 GLUKHOV Pavel 1 MATVEEV Mikhail 1 BEZOBRAZOV Yuri 2 SHIRYAYKHIN A.
Institutions:
1 Saint Petersburg State Polytechnical University, Saint Petersburg, Russian Federation, glukhovpavel@gmail.com
2 JSC «Severstal», Cherepovets, Vologda region, Russian Federation
Conference:
23rd International Conference on Metallurgy and Materials, Hotel Voronez I, Brno, Czech Republic, EU, May 21 - 23, 2014
Proceedings:
Proceedings 23rd International Conference on Metallurgy and Materials
Pages:
192-198
ISBN:
978-80-87294-52-9
ISSN:
2694-9296
Published:
18th June 2014
Proceedings of the conference were published in Web of Science and Scopus.
Metrics:
394 views / 223 downloads
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Abstract

Cracking problem in slab during continuous casting using finite element method in Deform computer program was solved. The computer model of continuous casting machine (CCM) includes: crystallizer, rollers, secondary cooling section. The rheological properties of investigated steel required for model were received on Gleeble-3800. The thermal stresses in the slab, the strains and stresses during solid crust buckling due to ferrostatic pressure between CCM rollers, strains and stresses in the extension zone were determined. Analysis was carried out using maximum stress fracture criteria, the built-in Deform program. Temperature dependence of fracture criterion limits values obtained by physical simulation of crystallization and slab cooling for different operation modes of CCM on Gleeble-3800.

Keywords: Fracture criteria, continuous casting, physical simulation, finite element method

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