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Directed energy deposition (DED), a laser additive manufacturing (AM) process, has attracted a significant attention as apotential alternative to conventional manufacturing methods, due to its high deposition efficiency, flexibility, and precision.Despite these advantages, components produced by DED often face critical challenges, including residual stresses, microsegregation, and the formation of non-equilibrium phases due to rapid cooling during the AM process. These issues areparticularly critical for Ni-based superalloys such as Inconel 718 (IN718), widely used in the aerospace, energy, and marineindustries for their excellent high-temperature strength and corrosion resistance. [...]