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  • Investigating the feasibility of preparing metal-ceramic multi-layered composites using only the aerosol-deposition technique [Elektronski vir]
    Šadl, Matej, (materiali) ; Tomc, Urban ; Uršič Nemevšek, Hana
    The preparation of metal-ceramic layered composites remains a challenge due to the incompatibilities of the materials at the high temperatures of the co-firing process. For densification, the ceramic ... thick-film materials must be subjected to high-temperature annealing (usually above 900 °C), which can increase the production costs and limit the use of substrate or co-sintering materials with a low oxidation resistance and a low melting point, such as metals. To overcome these problems, the feasibility of preparing dense, defect-free, metal-ceramic multilayers with a room-temperature-based method should be investigated. In this study, we have shown that the preparation of ceramic-metal Al2O3/Al/Al2O3/Gd multilayers using aerosol deposition (AD) is feasible and represents a simple, reliable and cost-effective approach to substrate functionalisation and protection. Scanning electron microscopy of the multilayers showed that all the layers have a dense, defect-free microstructure and good intra-layer connectivity. The top Al2O3 dielectric layer provides excellent electrical resistance (i.e., 7.7 x 10(na)12 (omega) . m), which is required for reliable electric field applications.
    Vir: Materials [Elektronski vir]. - ISSN 1996-1944 (Vol. 14, iss. 16, Aug. 2021, str. 1-10)
    Vrsta gradiva - e-članek
    Leto - 2021
    Jezik - angleški
    COBISS.SI-ID - 72970755

    Povezava(-e):

    https://www.mdpi.com/1996-1944/14/16/4548
    Repozitorij Univerze v Ljubljani – RUL
    DOI

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