Nanostructural WC-Co coatings by utilizing novel powder manufacturing route using water soluble raw materials

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

    Abstract

    Tungsten carbide-based hard metal coatings are extensively used in demanding industrial applications like for wear protection purposes. Continuously increasing demands set new limits and need for materials with enhanced features. One solution is to improve hard metal properties by nanostructures. Presented study is part of a research where novel and safe route to manufacture nanostructural WC-Co powders starting from water soluble raw materials was developed. In this study powders' workability in thermal spray coatings is studied. WC-12Co powder was manufactured using water soluble raw materials: ammonium metatungstate as a tungsten source, glycine as a carbon source and cobalt acetate as a cobalt source. The powder was manufactured via optimized spray drying and heat treatment method producing a correct phase structure and chemical composition. Experimental powder was sprayed by HVAF-spraying to study its workability and functionality. Morphology, microstructure and properties were analyzed from the experimental nanostructural powder and the HVAF-coatings.

    Original languageEnglish
    Title of host publicationITSC 2017 International Thermal Spray Conference & Exposition
    Pages451-455
    Volume1
    ISBN (Electronic)978-1-5108-5822-0
    Publication statusPublished - 1 Jan 2017
    MoE publication typeB3 Non-refereed article in conference proceedings
    EventInternational Thermal Spray Conference & Exposition, ITSC 2017 - Düsseldorf, Germany
    Duration: 7 Jun 20179 Jun 2017

    Publication series

    SeriesDVS-Berichte
    Volume336
    ISSN0418-9639

    Conference

    ConferenceInternational Thermal Spray Conference & Exposition, ITSC 2017
    Abbreviated titleITSC 2017
    Country/TerritoryGermany
    CityDüsseldorf
    Period7/06/179/06/17

    Keywords

    • nanocrystalline
    • WC-Co
    • powder manufacturing route
    • HVAF-coatings

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