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High Entropy Alloy Strengthening Modelling

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Article number063001
<mark>Journal publication date</mark>30/09/2022
<mark>Journal</mark>Modelling and Simulation in Materials Science and Engineering
Issue number6
Number of pages32
Publication StatusPublished
Early online date10/08/22
<mark>Original language</mark>English


High entropy alloys (HEAs) have recently drawn attention due to their excellent mechanical properties across wide temperature ranges. This is attributed to phase stability and a wide variety of strengthening mechanisms in operation. Solid solution, precipitation, dislocation, grain-boundary, twin-boundary and phase-transformation strengthening have been reported to play an important role in controlling their mechanical properties. With a focus on yield strength, this paper reviews the different hardening mechanisms reported in the literature. Mathematical formulations and key constant for describing each mechanism are presented and discussed. A strengthening mechanism modelling strategy for HEA design is outlined.