Abstract
In order to obtain better surface quality for swear parts of machine tools, the laser alloy cladding technology is used. The two alloy powders are laser cladded on axis parts separately, which is under different process parameters, such as laser power, feed rate and scanning speed etc. The microstructure and hardness of cladding layers are analyzed by using scanning electron microscope and hardness tester. Generally, the surface quality is improved apparently. Under the similar laser power and powder quantity, the thickness of Ni60 cladding layer is much larger than Fe60. The hardness of Ni60 layer is higher than that of Fe60, while both of them are all higher than 45 steel substrate. In conclusion, the parameters of sample 2 are optimal.
Publisher
Trans Tech Publications, Ltd.
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