Abstract
Directed energy deposition (DED) additive manufacturing technology is used to fabricate (IN718 + Ti)/1040 laminate. It is a promising method to increase the microhardness, adjust the microhardness and improve the mechanical properties of laminates by DED. Scanning electron microscope (SEM), Energy Dispersive Spectromete (EDS) line scanning and microhardness test are used to characterize the transition zone width. In-situ synthesized ceramic strengthening phase by adding Ti powder to the depositing material improves the microhardness from and tensile strength significantly, which provides a reference for designing and fabricating new high-performance laminates.
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