Laser beam cladding is a versatile method for the deposition of functional surface layers, the generation of prototypes, and the repair welding of components. It is a thermal process characterized by a highly localized energy input. Powder-fed laser cladding is typically done with a CO2, Nd:YAG, or diode laser scanned at a speed of 0.3 to 1.5 m/min. The present work investigates the extent to which deposition speed and thermal efficiency can be increased. Using a Nd:YAG laser and high scan rates, functional layers a few tenths of a mm thick are obtained and larger surface areas are processed per unit of time. Paper text in German.

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