Deformation Mechanisms in High Entropy Alloys

Dear Colleagues,

High-Entropy alloys (HEAs), for the first time, have allowed us to “map” previously unexplored regions in multidimensional composition phase-space. This extraordinary access to the phase-space provides exciting opportunities to not only engineer novel microstructures but also manipulate deformation mechanisms that directly impact the strength–ductility trade-off. Examples of such mechanisms include twining-induced plasticity (TWIP), transformation-induced plasticity (TRIP), interfacial strengthening mechanisms, stacking faults, precipitate/dislocation interactions, dislocation/dislocation interactions, etc. Even the structure of dislocation cores in a multielement environment is being revisited, because the notion of Peierls stress for single elements needs to be adapted to multicomponent systems. Currently, there is a worldwide effort to catalogue deformation mechanisms in multitudes of HEA compositions and to develop models to computationally predict and understand such mechanisms.

The purpose of the Special Issue “Deformation mechanisms in High-Entropy Alloys” is to provide an international forum for such ground-breaking studies. We welcome scientific contributions, such as full-length articles, involving experimental, theoretical, and computational studies on deformation mechanisms in HEAs. Scientists working in a wide range of disciplines are invited to contribute to this cause.

The keywords listed below cover a broad range of topics within the realm of HEA deformation. However, innovative topics that fall outside the list but are connected to HEAs will be welcomed.

Dr. Deep Choudhuri
Guest Editor

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