Abstract

Laser cladding is a complex process and full featured cladding models require large computing times. However, from a practical standpoint, it is useful to establish simple correlation between the laser cladding parameters and the characteristics of the clad track, that can be used to select the processing parameters while avoiding the expensive and time consuming experiments. In this paper we present simple relationships that correlate the height and width of tracks obtained by the blown powder technique with the scanning speed, powder feed rate and catchement efficiency of the powder, for a given spot diameter and laser power. These relationships can be used to optimize the values of the parameters in order to obtain tracks with a shape of the cross section that minimizes defects due to overlapping or excessive dilution.

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