Effect of Spraying Power on the Tribological Properties of Alumina and Alumina-Graphite Coatings. - Mathew, Jacob Shiby; Marcinauskas, Liutauras; Kavaliauskas, Žydrūnas; Kėželis, Romualdas; Kalin, Mitjan (Coatings (2079-6412), 2023)