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Evaluation of the Performance of Cryogenically Treated Carbide İnserts in the Turning of AISI 1040 Steel

-In this study, the effects of cryogenic treatment on tool wear and surface roughness of tungsten carbide inserts coated with TiAlN were investigated as a function of cutting speed and feed rate. It is observed that the surface roughness increases with increased cutting speed, feed rate and also applied cryogenic processing. In other words, the effect of feed rate and cutting speed is very high on the surface roughness. On the other hand, the results showed that the cryogenic treatment is a non-effective process to enhance the wear resistance and tool life of inserts due to brittle region between coated layer and surface