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Solidification path and phase transformation in super-austenitic stainless steel UNS S31254

Marin, Raphaël and Combeau, Hervé and Zollinger, Julien and Dehmas, Moukrane and Rouat, Bernard and Lamontagne, Aude and Cardinaux, David and Lhenry-Robert, Lucile Solidification path and phase transformation in super-austenitic stainless steel UNS S31254. (2019) IOP Conference Series: Materials Science and Engineering, 529. 012008. ISSN 1757-899X

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Official URL: https://doi.org/10.1088/1757-899X/529/1/012008

Abstract

The solidification path and the σ-phase precipitation mechanism of UNS S31254 alloy were studied on the basis of directional solidified experiments accompanied by scanning electron microscopy observations and energy dispersive X-ray a nalysis. The resulting temperatures of solidification paths and phase transformation were compared with Gulliver-Scheil and equilibrium calculations predicted using ThermoCalc© software. It was confirmed that the experimental solidification path was in agreement with the thermodynamic calculations. The complementarity of the results have made it possible to propose a solidification path and a σ-phase precipitation mechanism for the UNS31254 steel.

Item Type:Article
Additional Information:Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
HAL Id:hal-03195753
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
Other partners > ArcelorMittal (LUXEMBOURG)
Other partners > Université de Lorraine (FRANCE)
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Deposited On:06 Apr 2021 15:25

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