Sökning: "chromium evaporation"

Hittade 4 uppsatser innehållade orden chromium evaporation.

  1. 1. Development of Novel (Cu,Fe)3O4 Coatings for AISI 441 Solid Oxide Cell Interconnects : Coating optimization and long-term study

    Master-uppsats, KTH/Materialvetenskap

    Författare :Line Larby; [2020]
    Nyckelord :SOC; SOFC; interconnect; Cr evaporation; Cu-Fe coatings; spinel; SOFC; SOC; interkonnektor; bipolär platta; Cr-förångning; Cu-Fe-beläggningar; spinell;

    Sammanfattning : As current environmental challenges are gaining increased attention, development of clean energy solutions is becoming one of the essential strategies to keep within the boundaries of established environmental policies. Solid oxide cell (SOC) technology can provide clean energy conversion and storage when hydrogen is the energy carrier. LÄS MER

  3. 2. High temperature corrosion in exhaust application for heavy-duty trucks

    Master-uppsats, KTH/Materialvetenskap

    Författare :Alice Moya; [2019]
    Nyckelord :high temperature corrosion; austenitic steel; cast iron; cast steel; oxidation; exhaust gas; engine; heavy-duty trucks;

    Sammanfattning : Increasing awareness of environmental protection has made both governments and the industry aim for lowering carbon dioxide emissions. For the transport industry this means increasing engine efficiency, replacing fossil fuels with bio-based fuels or full electrification. LÄS MER

  4. 3. Heavy metal removal from sewage sludge by pyrolysis treatment

    Master-uppsats, Högskolan i Borås/Akademin för textil, teknik och ekonomi

    Författare :Andreas Nordin; [2015]
    Nyckelord :Pyrolysis; sewage sludge; heavy metals; cadmium; lead; nickel; copper; chromium; mercury; zinc; phosphorus; energy balance; char; heating value; fertilizer;

    Sammanfattning : Sewage sludge is the product from wastewater treatment that mostly is considered as a waste material. However, it contains several nutrients, especially phosphorus, potassium and nitrogen which are excellent fertilizers. LÄS MER

  5. 4. Process Parameters for Creation of Porous Stainless Steel Surfaces

    Master-uppsats, KTH/Materialvetenskap

    Författare :Eric Hultstein; [2011]
    Nyckelord :surface porosity; stainless steel; heat treatment; heat transfer; corrosion; oxidation; ytporositet; rostfritt stål; värmebehandling; värmetransport; korrosion; oxidation;

    Sammanfattning : Detta examensarbete ämnar att undersöka värmebehandlingsmetoder för att skapaporösa austenitiska rostfria stål samt utvärdera ifall dessa ytor medför förbättringargentemot referensmaterialen. De porösa ytorna skapades genom en två-stegs metod. LÄS MER