LAUSR

High entropy alloys (HEAs) are a new generation of materials containing at least five principal elements in equiatomic or near-equiatomic proportions. The concept behind the development of these alloys is that the entropy is maximum at equiatomic composition. In these alloys the entropy increases as the number of elements increases making difficult the formation of intermetallics [1]. Though conventionally produced by casting routes, alternative processing routes offers a more precise control in the elemental composition of the HEA alloys, avoiding segregation problems and the formation of amorphous phases; granting however, a homogeneous chemical distribution and extending the solid solubility limits imposed in casting processes and with a fraction of the cost [2]. Their attractive physical and mechanical properties attracts the attention of different research groups due to their potential use in the design and repair of parts and tools for the industry of dies, moulds, automotive and aerospace, which application can be carried out through the additive manufacturing technologies currently available.