Abstract:In order to theoretically explore the interfacial bonding properties between the main phase (γ) and the second precipitated phase (γ') in K418 superalloy formed by direct laser deposition. First‐principles calculation is utilized to study the adhesion work, interfacial energy, electronic structure, bonding properties, and tensile properties between γ phase (Ni (001)) and γ' phase (Ni3Al (001)). The results show that the interface energy of the NiAl‐center (0.35–1.19 J m−2) is the smallest and therefore it is w… Show more
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