Nickel-based HVOF coatings promoting high temperature corrosion resistance of biomass-fired power plant boilers

Maria Oksa, Pertti Auerkari, Jorma Salonen, Tommi Varis

    Tutkimustuotos: ArtikkeliTieteellinenvertaisarvioitu

    71 Sitaatiot (Scopus)

    Abstrakti

    There are over 1000 biomass boilers in Europe, and the number is increasing due to actions for reducing greenhouse gas emissions. Biomass boilers often experience strong corrosion due to harmful elements in fuels. In biomass burning, detrimental components include especially chlorine, potassium and heavy metals, which can cause chlorine-induced active oxidation or hot corrosion by molten phases even at fairly low temperatures. In order to increase the corrosion resistance of heat exchanger components, either more alloyed steels or protective coatings should be applied. High velocity oxy-fuel (HVOF) sprayed coatings may provide corrosion protection for low alloy tube materials. Three nickel based thermal spray coatings (Ni-24Cr-16.5Mo, Ni-22Cr

    AlkuperäiskieliEnglanti
    Sivut236-245
    Sivumäärä10
    JulkaisuFuel Processing Technology
    Vuosikerta125
    DOI - pysyväislinkit
    TilaJulkaistu - 2014
    OKM-julkaisutyyppiA1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä

    !!ASJC Scopus subject areas

    • Fuel Technology
    • Energy Engineering and Power Technology
    • Yleinen kemian tekniikka

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