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Effect of Al enrichment by pack cementation of FeCr coatings deposited by HVOF

  • A. Bellucci*
  • , S. Bellini
  • , R. Pileggi
  • , D. Stocchi
  • , Satu Tuurna
  • *Corresponding author for this work
    • Rina Consulting – Centro Sviluppo Materiali S.p.A

    Research output: Contribution to journalArticleScientificpeer-review

    Abstract

    A great contribution to CO2 emissions comes from coal fired power generation. Combination of carbon capture sequestering technologies with sustainable biomass conversion constitutes a decisive boost in limiting rise in global temperature. Co-firing alternative materials with pulverized coal and using oxy-fuel combustion conditions (oxy-fuel co-combustion) is a very attractive process for power industry. Materials with both high mechanical properties and high environmental resistance are required by such advanced combustion systems. One approach to improve high-temperature oxidation/corrosion resistance is to apply protective coatings. In the present work, low and high Cr content Fe-based alloys have been deposited in order to investigate the influence of Cr content on coating protective performance in oxy-fuel co-combustion conditions. Grade 91 steel has been assumed as reference substrate. Effect of Al enrichment on coating environmental resistance has also been analyzed. Activities have been performed within the framework of Macplus Project (Integrated Project co-founded by the European Commission under the 7th Framework Program in the Energy area).
    Original languageEnglish
    Pages (from-to)244-251
    JournalJournal of Thermal Spray Technology
    Volume24
    Issue number1-2
    DOIs
    Publication statusPublished - Jan 2015
    MoE publication typeA1 Journal article-refereed

    UN SDGs

    This output contributes to the following UN Sustainable Development Goals (SDGs)

    1. SDG 7 - Affordable and Clean Energy
      SDG 7 Affordable and Clean Energy
    2. SDG 9 - Industry, Innovation, and Infrastructure
      SDG 9 Industry, Innovation, and Infrastructure
    3. SDG 13 - Climate Action
      SDG 13 Climate Action
    4. SDG 17 - Partnerships for the Goals
      SDG 17 Partnerships for the Goals

    Keywords

    • boiler materials
    • corrosion protection
    • protective coatings
    • carbon dioxide
    • coal combustion
    • bioconversion

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