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The aim of this study is to determine the most suitable post-processing sequence for additive manufacturing to reach an enhanced surface integrity of components in Inconel 718 superalloy. These components are fabricated by Direct Laser Deposition (DLD) followed by two typical post-processing methods: machining and heat treatment. The effect of postprocessing sequence (machining + heat treatment or heat treatment + machining) and the corresponding effects on the surface integrity of these components were investigated in terms of surface finishing, microstructure, micro-hardness and residual stresses. Finally, suitable solutions in terms of additive manufacturing -post-process operations have been reported.

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