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Performance Assessment Of Coated Cemented Carbide Tools In Turning Aisi 1018 Steel, Mohamad Nouilati
Performance Assessment Of Coated Cemented Carbide Tools In Turning Aisi 1018 Steel, Mohamad Nouilati
LSU Master's Theses
In this study, the machining performance of a series of commercially available coated tungsten based cemented carbides, with 55o diamond shape, were investigated during finish turning of AISI 1018 steel under dry conditions. The inserts tested had a coating of TiN, Al2O3, TiN/Al2O3 and TiC/Al2O3/TiN respectively. For comparison, uncoated cemented tungsten carbide was also tested under the same cutting conditions. The coated tools exhibited superior wear resistance over the uncoated tool. The TiC/Al2O3/TiN coated tool had the lowest flank wear due to the high abrasive resistance of the TiC layer. The Al2O3 coated tool showed superior wear-resistance over the TiN/Al2O3 …