Modelling additive manufacturing processes : from direct metal deposition to selective laser melting
Résumé
Additive manufacturing is a family of processes allowing to build a component from a CAD file by selectively adding material layer by layer. The main difference between the Selective Laser Melting (SLM) process and the Direct Metal Deposition (DMD) process is related to material feeding. In SLM, the powder is not deposited using a nozzle as in DMD but drawn in successive thin layers which are then scanned by the laser beam. The present paper starts from an existing comprehensive model of the DMD process and shows how it can be adapted to the SLM process.
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