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High entropy alloys: Key issues under passionate debate

Biswas, K., Yeh, J-W., Bhattacharjee, P. P. & DeHosson, J. T. M., Nov-2020, In : Scripta Materialia. 188, p. 54-58 5 p.

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The present Viewpoint set aims at providing a summary of the recent advancements in the fundamental understanding of high entropy alloys (HEAs) as well as igniting new ideas and activities in this rapidly evolving field of use-inspired basic research. The universality of the core effects in HEAs, ranging from configurational entropy contributions to cocktailing effects are still under a passionate debate and in particular the peer-reviewed articles are meant to provide original perspectives. The various contributions are strongly opinion-based in a variety of areas including diffusion, phase transformations, deformation behavior, corrosion, metastability, structural as well as functional properties. In addition, the impact of the original metallic HEAs onto the field of oxides and ceramics has been illustrated and the role of entropy in high-entropy oxides is critically discussed. (C) 2020 Acta Materialia Inc. Published by Elsevier Ltd.

Original languageEnglish
Pages (from-to)54-58
Number of pages5
JournalScripta Materialia
Volume188
Publication statusPublished - Nov-2020

    Keywords

  • High entropy alloys (heas), Complex concentrated alloys (ccas), Cantor alloys, strengthening, corrosion

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