Characterization and evolution of the coefficient of friction during pin on disc tribotest: Comparison between C10200 Cu, AA6082-T6 Al and C36000 brass pins under varying normal loads - Ferrreira, Raphael O.; Galvani, Gabriel Borba; Tertuliano, Iramar da Silva; Rodrigues, Ana Cecília Pontes; Azevedo, Cesar Roberto de Farias (Tribology International, 2019)