Local-environment dependence of stacking fault energies in concentrated solid-solution alloys
Concentrated solid-solution alloys (CSAs) based on 3 d transition metals have
demonstrated extraordinary mechanical properties and radiation resistance associated with
their low stacking fault energies (SFEs). Owing to the intrinsic disorder, SFEs in CSAs exhibit
distributions depending on local atomic configurations. In this work, the distribution of SFEs
in equiatomic CSAs of NiCo, NiFe, and NiCoCr are investigated based on empirical
potential and first-principles calculations. We show that the calculated distribution of SFEs in …
demonstrated extraordinary mechanical properties and radiation resistance associated with
their low stacking fault energies (SFEs). Owing to the intrinsic disorder, SFEs in CSAs exhibit
distributions depending on local atomic configurations. In this work, the distribution of SFEs
in equiatomic CSAs of NiCo, NiFe, and NiCoCr are investigated based on empirical
potential and first-principles calculations. We show that the calculated distribution of SFEs in …
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