This work assesses the properties of vacuum plasma sprayed YSZ coatings for potential use in solid oxide fuel cells. The results of the investigation show that low-porosity layers of yttria-stabilized zirconia can be produced by using a fine powder and by adjusting plasma gas composition. Under optimized spraying conditions, YSZ layers with a thickness of 10-20 μm, a porosity less than 1%, and an average roughness of 1 μm are achievable. Paper includes a German-language abstract.

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