Phase transformations in Fe–Cr–Mn alloys for magnetocaloric applications
| Autor: | S. Miraglia, Sophie Tencé, C. Mayer, Xueying Hai |
|---|---|
| Přispěvatelé: | Matériaux, Rayonnements, Structure (MRS), Institut Néel (NEEL), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019])-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Erasteel SAS, Institut de Chimie de la Matière Condensée de Bordeaux (ICMCB), Université de Bordeaux (UB)-Institut Polytechnique de Bordeaux-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), This work was supported by the CIFRE Project No.2013/0827. |
| Rok vydání: | 2019 |
| Předmět: |
Diffraction
Phase transition Materials science Magnetometer Magnetocaloric effect Thermodynamics chemistry.chemical_element 02 engineering and technology engineering.material 010402 general chemistry 01 natural sciences law.invention Inorganic Chemistry law Phase (matter) Materials Chemistry Magnetic refrigeration Physical and Theoretical Chemistry Austenitic stainless steel Austenitic steels Transition temperature [CHIM.MATE]Chemical Sciences/Material chemistry 021001 nanoscience & nanotechnology Condensed Matter Physics 0104 chemical sciences Electronic Optical and Magnetic Materials chemistry Ceramics and Composites engineering 0210 nano-technology Carbon |
| Zdroj: | Journal of Solid State Chemistry Journal of Solid State Chemistry, Elsevier, 2019, 277, pp.680-685. ⟨10.1016/j.jssc.2019.07.035⟩ |
| ISSN: | 0022-4596 1095-726X |
| DOI: | 10.1016/j.jssc.2019.07.035 |
| Popis: | International audience; The sequence of phase transformations in a Fe–Cr–Mn alloy (known as an austenitic stainless steel) are investigated in order to explore the potential of this rare earth-free material for magnetocaloric applications at high temperature. In the lack of high temperature X-ray diffraction the magnetic response and transition temperatures of alloys have been determined by using a Faraday’s Balance apparatus and an extraction vector magnetometer. These characterizations have been complemented by DCS and DTA measurements as well as thermodynamic calculations using Thermocalc. The retained nominal composition is Fe0.59Cr0.16Mn0.25 (referred to as FeCrMn 15/25) shows the targeted reversible transformation. Carbon addition is shown to shift the transition temperature to lower values. The effect of carbon addition on the phase transition and on the magnetocaloric response is discussed. A comparison is made with the chromium-poor Fe–Cr–Ni system. |
| Databáze: | OpenAIRE |
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