Abstract
This paper presents an analysis and comparison of the tribological performance of titanium carbonitride, chromium aluminum nitride and aluminum titanium nitride coatings, deposited by Magnetron Sputtering on S600 steel punches. The films were studied structurally and morphologically, carrying out tests by means of X-ray diffraction, atomic force microscopy and scanning electron microscopy. The correlation between the wear behavior in rolling contact and the mechanical properties of ternary coatings is reported using the Pin-on-disk technique. The wear marks are studied to observe the deformation behavior produced by the tests carried out. The influences of the structure and composition of the coatings on the mechanical and tribological behavior during the rolling wear tests are discussed. Chromium aluminum nitride was the material that presented the lowest wear rate, due to its hardness, elastic modulus, and critical load (resistance to scratching). These physical characteristics are also present in the titanium carbonitride and aluminum titanium nitride coatings which provide conditions that benefit wear resistance, expecting an improvement in performance in industrial steel.
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