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DLC-W coatings tested in combustion engine ? Frictional and wear analysis

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F14%3A00222351" target="_blank" >RIV/68407700:21230/14:00222351 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1016/j.surfcoat.2014.06.072" target="_blank" >http://dx.doi.org/10.1016/j.surfcoat.2014.06.072</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.surfcoat.2014.06.072" target="_blank" >10.1016/j.surfcoat.2014.06.072</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    DLC-W coatings tested in combustion engine ? Frictional and wear analysis

  • Original language description

    Hydrogenated diamond-like carbon coatings doped with tungsten were deposited by reactive magnetron sputtering from graphite and composite graphite/tungsten target in an Ar/methane atmosphere. Polished steel samples for laboratory testing and commercial valve tappets were used as substrates. The microstructure of the coating was studied by transmission electron microscopy (TEM), Raman spectroscopy, and electron energy loss spectroscopy, adhesion by scratchtest method and mechanical properties by depth sensing nanoindentation. Coatings were tribological tested in lubricated contact in laboratory (pin-on-disc) and field (engine) conditions. The worn surfaces were analysed by Raman and time-of-flight secondary ion mass spectroscopies and observed by TEM. The coatings showed excellent wear resistance with negligible wear; the worn surface was covered by a very thin solid tribolayer formed from oil additives.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    JI - Composite materials

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2014

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Surface and Coatings Technology

  • ISSN

    0257-8972

  • e-ISSN

  • Volume of the periodical

    260

  • Issue of the periodical within the volume

    December

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    6

  • Pages from-to

    284-289

  • UT code for WoS article

    000347584300040

  • EID of the result in the Scopus database