Abstract
Laser cladding technique is a new surface modification technology. With the continual emergence of new materials, the improvement of surface performance has got great progress,laser cladding process has also been presented with new challenges.The dilution rate is the one of the most important process control parameters, which will affect the cladding layer quality and the surface properties. Reasonable choice of process parameters has a great impact onsurface dilution rate.This paper researches the dilution rate of laser cladding of CBN.Firstly, established the mathematical model of the dilution rate by theoretical analysis,then carried out experiments with orthogonal test method, and accurately calculated the value of the dilution rate. Obtained the effect law ofprocess parameters over dilution ratethrough visual analysis, and analyzed its reason thoroughly. Also offered some methods to reduce the dilution rate in the final part of the paper.
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