Online Modelling of Heat Transfer, Solidification and Microstructure in Continuous Casting of Steel

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2019-06-17
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en
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IOP Conference Series: Materials Science and Engineering, Volume 529, issue 1
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Advanced numerical simulation models for continuous casting of steel were developed in Finland by Casim Consulting and Aalto University in cooperation with the University of Oulu and the steel industry. The aim was to develop models that are scientifically rigorous, but also computationally fast enough to be used in online applications. The models developed are a transient three-dimensional heat transfer model, CastManager, and a solidification and microstructure model, IDS. The computing time of these models are short, and they are integrated together in one online concept. This concept is installed in the automation systems of four slab casters in Finland. Testing and validation work is in progress. The system simulates the important heat transfer, solidification and microstructural phenomena in continuous casting online. The future aim is that this information will be used for online quality control and for optimizing the process conditions to avoid formation of defects. Many quality indices have already been developed. A steady state version of the CastManager tool has also been developed, called Tempsimu.
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Louhenkilpi, S, Miettinen, J, Laine, J, Vesanen, R, Rentola, I, Moilanen, J, Visuri, V V, Heikkinen, E P & Jokilaakso, A 2019, ' Online Modelling of Heat Transfer, Solidification and Microstructure in Continuous Casting of Steel ', IOP Conference Series: Materials Science and Engineering, vol. 529, no. 1, 012051 . https://doi.org/10.1088/1757-899X/529/1/012051