A concept for friction mechanisms of coated surfaces

Kenneth Holmberg

    Research output: Contribution to journalArticleScientificpeer-review

    75 Citations (Scopus)


    A comprehensive concept for friction mechanisms of coated surfaces is presented. The friction mechanisms are first classified broadly into macromechanical, micromechanical, tribomechanical and material mechanisms. The macromechanical mechanisms are classified on the basis of hardness relationships between coating, substrate and counterface, the film thickness, the surface roughness and the debris in the contact. The macromechanical mechanisms are studied on the basis of shear, fracture, elasticity and rolling effects. The tribochemical mechanisms include the formation of microfilms on asperity peaks of hard coatings and the oxidation of soft coatings. The mechanisms of material transfer influences friction by changing the properties of the counterface as a transferred film is formed on it.
    Original languageEnglish
    Pages (from-to)1-10
    Number of pages10
    JournalSurface and Coatings Technology
    Issue number1
    Publication statusPublished - 1992
    MoE publication typeA1 Journal article-refereed


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