Experimental und Numerical Investigations on Hot Tearing during Continuous Casting

Gregor Arth; Sergiu Ilie; Robert Pierer; Christian Bernhard

doi:10.1007/s00501-015-0345-6

Experimental und Numerical Investigations on Hot Tearing during Continuous Casting

Gregor Arth
, Sergiu Ilie
, Robert Pierer
, Christian Bernhard

Chair of Ferrous Metallurgy (220)

voestalpine Stahl Linz GmbH
Inteco Melting and Casting Technologies GmbH

Research output: Contribution to journal › Article › Research

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Abstract

This paper focuses on hot tearing in continuous casting of steel and the experimental as well as numerical prediction of the hot tearing susceptibility. As a preliminary point, the current understanding of the appearance of this kind of defects and the resultant requirements for numerical und experimental hot tearing simulation will be briefly summarized. The next section describes the experimental determination of critical strain values by means of the proven SSCT (Submerged Split Chill Tensile) test and their implementation into a 1D-FV-solidification model (one-dimensional-finite-volume) developed in-house. Exemplarily, the model will be applied to the casting of two medium carbon steel grades on a slab casting machine.

Original language	English
Pages (from-to)	103-108
Number of pages	6
Journal	Berg- und hüttenmännische Monatshefte : BHM
Volume	2015
Issue number	Band 160, Heft 3
DOIs	https://doi.org/10.1007/s00501-015-0345-6
Publication status	Published - Mar 2015

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10.1007/s00501-015-0345-6

Experimental und numerical investigations on cooling efficiency in the secondary cooling zone during continuous casting of steel

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AB - This paper focuses on hot tearing in continuous casting of steel and the experimental as well as numerical prediction of the hot tearing susceptibility. As a preliminary point, the current understanding of the appearance of this kind of defects and the resultant requirements for numerical und experimental hot tearing simulation will be briefly summarized. The next section describes the experimental determination of critical strain values by means of the proven SSCT (Submerged Split Chill Tensile) test and their implementation into a 1D-FV-solidification model (one-dimensional-finite-volume) developed in-house. Exemplarily, the model will be applied to the casting of two medium carbon steel grades on a slab casting machine.

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