Theory-guided design of novel Fe-Al-based superalloys

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Authors

FRIÁK Martin DAVID Holec JIRÁSKOVÁ Yvonna PALM Martin STEIN Frank JANIČKOVIČ Dušan PIZŮROVÁ Naďa DYMÁČEK Petr DOBEŠ Ferdinand ŠESTÁK Petr FIKAR Jan ŠREMR Jiří NECHVÁTAL Luděk OWEISOVÁ Sabina HOMOLA Vojtěch TITOV Andrii SLÁVIK Anton MIHÁLIKOVÁ Ivana PAVLŮ Jana BURŠÍKOVÁ Vilma NEUGEBAUER Joerg BOUTUR Damien LAPUSTA Yuri ŠOB Mojmír

Year of publication 2017
Type Article in Proceedings
Conference Proceedings Intermetallics 2017
MU Faculty or unit

Faculty of Science

Citation
Web http://www.intermetallics-conference.de/index.php?id=13705
Field Solid matter physics and magnetism
Keywords superalloys; ab initio; materials design; Fe-Al
Description Our modern industrialized society increasingly requires new structural materials for high-temperature applications in automotive and energy-producing industrial sectors. Iron-aluminides are known to possess excellent oxidation and sulfidation resistance as well as sufficient strength at elevated temperatures. New Fe-Al-based materials will have to meet multiple casting, processing and operational criteria including high-temperature creep strength, oxidation resistance and room-temperature ductility. Such desirable combination of materials properties can be achieved in multi-phase multi-component superalloys with a specific type of microstructure (the matrix contains coherent particles of a secondary phase - a superalloy microstructure). In order to design new Fe-Al-based superalloys, we employ a state-ofthe-art theory-guided materials design concept to identify suitable combinations of solutes.
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