Wear Behavior of TiAlN Coated Austempered Ductile Iron

MASSONE, JUAN M.; MANDRI, A. D.; COLOMBO, DIEGO A.; DOMMARCO, R. C.

Florianópolis, SC, Brasil

Conferencia; 3rd International Brazilian Conference on Tribology ? TriBoBR 2018; 2018

Austempered ductile iron (ADI) is an attractive material because of its excellent combination of high strength and ductility with good wear resistance. In addition, the manufacturing cost and density of ADI are lower than forged or cast steels. On the other hand, in applications where the components require a high wear resistance, the surface treatment of ADI by the application of hard coatings can become an advantageous alternative. This work studies the surface properties and wear behavior of ADI samples coated with TiAlN films synthesized by cathodic arc deposition ( CAD using an industrial device. Wear was evaluated by means of rolling contact fatigue (RCF) and sliding tests.