Sliding mating part in lubricated regime, coated by a thin film

Details Sliding mating part in lubricated regime, coated by a thin film Sliding mating part in lubricated regime, coated by a thin film

C - Chemistry, Metallurgy

23

C

C23C 16/02 (2006.01) C23C 16/26 (2006.01)

Patent

CA 2665685

The thin film is deposited on a surface having roughness profiles, the parameters and average periods of said profiles being determined in order to improve the tribological performances in such a way that the ratio A between the square of the average period of the profile (PSM ) in m and the roughness profile (Pa) in m, as defined by the French standard ISO 4288, is higher than or equal to 5.10 5 m, that is : Formula (I)

La couche mince est déposée sur une surface présentant des profils de rugosité dont les paramètres es et les périodes moyennes sont déterminés pour améliorer les performances tribologiques, de sorte que le rapport A entre le carré de la période moyenne du profil (PSM ) en m et le profil de rugosité (Pa) en m, tels que définis par la norme française ISO 4288, est supérieur ou égal à 5.10 5 m, soit : Formule (I)

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