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Open AccessArticle

Identification of the Flow Properties of a 0.54% Carbon Steel during Continuous Cooling

1
Institute of Mechanics, Otto von Guericke University Magdeburg, 39106 Magdeburg, Germany
2
Sampro GmbH, 39110 Magdeburg, Germany
3
Institute of Materials and Joining Technology, Otto von Guericke University Magdeburg, 39106 Magdeburg, Germany
*
Author to whom correspondence should be addressed.
Metals 2020, 10(1), 104; https://doi.org/10.3390/met10010104
Received: 16 December 2019 / Revised: 3 January 2020 / Accepted: 4 January 2020 / Published: 9 January 2020
(This article belongs to the Special Issue Numerical Modelling and Simulation of Metal Processing)
The determinination of material properties is an essential step in the simulation of manufacturing processes. For hot deformation processes, consistently assessed Carreau fluid constitutive model derived in prior works by Schmicker et al. might be used, in which the flow stress is described as a function of the current temperature and the current strain rate. The following paper aims to extend the prior mentioned model by making a distinction, whether the material is being heated or cooled, enhancing the model capabilities to predict deformations within the cooling process. The experimental identifaction of the material parameters is demonstrated for a structural carbon steel with 0.54% carbon content. An approach to derive the flow properties during cooling from the same samples used at heating is presented, which massively reduces the experimental effort in future applications. View Full-Text
Keywords: flow stress; hot deformation; carbon steel; continuous cooling; phase transformations flow stress; hot deformation; carbon steel; continuous cooling; phase transformations
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MDPI and ACS Style

Rößler, C.; Schmicker, D.; Sherepenko, O.; Halle, T.; Körner, M.; Jüttner, S.; Woschke, E. Identification of the Flow Properties of a 0.54% Carbon Steel during Continuous Cooling. Metals 2020, 10, 104.

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