The first,simultaneous delivery of powder, is the use of airborne powder feeder, the laser clad powder directly into the spot, with the spot in the workpiece surface movement, the formation of cladding.
and another way is Pre-set powder,
Pre-set powder refers to the laser cladding powder placed in advance on the path through the laser spot, with the movement of the spot, the preset powder and the substrate with the melting, solidification, the laser cladding.
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