Abstract
The shape memory effect is the ability to recover the shape after deformation on heating or stress. High entropy alloys were found by mixing an equiatomic number of complex components; nowadays, a new generation of un equiatomic components are produced. Properties like high strength and slow diffusion are properties of HEAs, and these properties are perfect circumstances for the appearance of the martensitic diffusionless transformation. Combining these two properties of alloy in a new class called high entropy shape memory alloys (HESMAs) opens a door for many new applications in terms of shape recovery and deformation resistance. This paper reviews the combination of (HE and SMA) properties in an alloy, VEC was found for all the different compositions of HESMAs, and the focus is to see how VEC affects this new family of alloys. Configurational entropy of the compositions was all calculated, and the values are mostly greater than 1.5R.
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