Microstructural Evolution and Mechanical Properties of Fe-Containing High and Medium Entropy Alloys: Recent Advances and Future Prospects

Since the first report on high entropy alloys (HEAs) in the year 2004, HEA systems have opened up new avenues in the development of novel materials, where the formation of simple structures could be realized in the multi-principal element alloys. Due to their concentrated alloying concepts, these al...

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Published in:Transactions of the Indian Institute of Metals 2024-10, Vol.77 (10), p.3003-3012
Main Authors: Shivam, Vikas, Kar, Shubhada, Mandal, Gopi K., Srivastava, V. C., Mukhopadhyay, N. K.
Format: Article
Language:English
Subjects:
Alloying elements
Chemistry and Materials Science
Corrosion and Coatings
Entropy
High entropy alloys
Iron
Materials Science
Mechanical properties
Medium entropy alloys
Metallic Materials
Original Article
Tribology
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Summary:Since the first report on high entropy alloys (HEAs) in the year 2004, HEA systems have opened up new avenues in the development of novel materials, where the formation of simple structures could be realized in the multi-principal element alloys. Due to their concentrated alloying concepts, these alloys have shown many exciting properties compared to conventional ones. Despite the promise of HEAs, the research community is still struggling to utilize the concept to design processes and to develop superior alloys. The biggest challenge is the paucity of data and the vast possibility of alloys from where one needs to find the best. These challenges pertain to composition screening of the alloys for specific applications, alloy processing, thermodynamic database and overall cost. In the present work, we have discussed the status and the challenges related to fundamental issues and prospects of Fe-containing high and medium entropy alloys to meet industrial requirements. The results of the selected Fe-containing medium entropy alloys will be discussed with their microstructural evolution and promising mechanical properties.
ISSN:0972-2815
0975-1645
DOI:10.1007/s12666-023-03194-8