Lubricated sliding wear behaviour of Ni-P-W multilayered alloy coatings produced by pulse plating

C. N. Panagopoulos, V. D. Papachristos, Lasse Christoffersen

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    The lubricated sliding wear behaviour of Ni-P-W multilayered alloy coatings sliding against hardened steel discs was studied, in a pin-on-disc set-up. The multilayered coatings had been deposited on mild steel pins by pulse plating and they consisted of ternary Ni-P-W layers of high and low W content. The wavelengths studied were 6, 200 and 2000 nm and the total thickness of the coatings was 25 mu m approximately. Using a range of normal loads between 2 and 110 N and a range of sliding speeds between 14 and 90 cm/s, the Stribeck curve of the system was constructed. indicating the various lubrication regimes. The wear mechanisms in each lubrication regime were studied and in mixed lubrication regime, the effect of normal load and sliding speed on wear volume and friction coefficient was also studied. (C) 2000 Elsevier Science S.A. All rights reserved.
    Original languageEnglish
    JournalThin Solid Films
    Volume366
    Issue number1-2
    Pages (from-to)155-163
    ISSN0040-6090
    DOIs
    Publication statusPublished - 2000

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