Abstract
TiAlN monolayers and TiAlN/TiAlCN bilayers were successfully deposited by hybrid (DCMS/HiPIMS) technology. The increase in the acetylene flow has linearly augmented the percentage of carbon incorporated into the coating systems. The TiAlCN with the highest carbon content significantly increased roughness and reduced hardness and Young's modulus. Additionally, a great reduction of the compressive residual stress has been noticed.Response surface methodology has been used from a full factorial design of experiments in order to create friction and wear maps varying sliding velocity and normal load for each of the coating systems. Tribological results showed that the coefficient of friction is not as dependent on the carbon content as it is on both the sliding velocity and normal load.
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