Research Status of Laser Cladding crack Suppression Technology
DOI:
https://doi.org/10.63313/FE.2002Keywords:
Laser cladding, crack, suppression methodAbstract
As a new type of micro-nano additive technology, laser cladding technology melts powder through a high-power laser beam to form a metallurgically bonded molten pool on the coating surface, which can provide excellent modification functions such as enhancing hardness, wear resistance and corrosion resistance on the workpiece surface. Due to the increase in hardness, the cladding layer is prone to fracture defects. The appearance of cracks seriously affects the service life of the workpiece, poses a great safety hazard to the safe production of enterprises, and greatly limits the application of nickel-based alloy powders. Therefore, this paper summarizes the existing effective technical measures for suppressing crack generation, laying a theoretical foundation for the latter research.
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