Duplex surface treatments of light alloys

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    3 Citations (Scopus)

    Abstract

    Duplex or hybrid surface engineering is the sequential application of two (or more) established surface technologies to produce a surface composite with combined properties which are unobtainable through any individual surface technology. Low friction coatings such as DLC, nitrides and oxides can be used as the top coating layer, which can not only increase wear resistance but also diminish interfacial shear stress and strain, and reduce the tendency for debonding of top coatings. A deep case-hardened layer can be used as the bottom layer, which can significantly enhance the load-bearing capacity and improve the coating/film adhesion. In this chapter, the mechanisms, potential techniques, and applications of the duplex and hybrid treatments of titanium and aluminium alloys have been summarized.
    Original languageEnglish
    Title of host publicationSurface Engineering of Light Alloys Aluminium: Magnesium and Titanium Alloys
    EditorsHanshan Dong
    Place of PublicationBoca Raton
    PublisherWoodhead
    Pages501-545
    Number of pages662
    ISBN (Print)9781845695378
    Publication statusPublished - 2010

    Publication series

    NameWoodhead Publishing Series in Metals and Surface Engineering
    PublisherWoodhead Publishing

    Keywords

    • duplex treatment
    • load bearing capacity
    • adhesion
    • hard coating
    • case hardening
    • Ti alloys
    • Al alloys

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