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Plasma sprayed manganeseecobalt spinel coatings: Process sensitivity on phase, electrical and protective performance

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    0459796 - UFP-V 2017 RIV CH eng J - Journal Article
    Han Jung, S. - Pala, Zdeněk - Sampath, S.
    Plasma sprayed manganeseecobalt spinel coatings: Process sensitivity on phase, electrical and protective performance.
    Journal of Power Sources. Roč. 304, February (2016), s. 234-243. ISSN 0378-7753
    R&D Projects: GA ČR GB14-36566G
    Institutional support: RVO:61389021
    Keywords : Interconnect protection * Cr-poisoning * Manganese cobalt spinel * Electrical conductivity * Plasma spray
    Subject RIV: JE - Non-nuclear Energetics, Energy Consumption ; Use
    Impact factor: 6.395, year: 2016
    http://www.sciencedirect.com/science/article/pii/S0378775315305383

    Manganese cobalt spinel (Mn1.5Co1.5O4, MCO) coatings are prepared by the air plasma spray (APS) process to examine their efficacy in serving as protective coatings from Cr-poisoning of the cathode side in intermediate temperature-solid oxide fuel cells (IT-SOFCs). MCO coatings are produced with deliberate modifications to the spray process parameters to explore relationship among process conditions, microstructure and functional properties. The resultant interplay among particle thermal and kinetic energies are captured through process maps, which serve to characterize the parametric effects on properties. The results show significant changes to the chemistry and phase composition of the deposited material resulting from preferential evaporation of oxygen.
    Permanent Link: http://hdl.handle.net/11104/0259954
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