This paper presents the comparison of a TBC coating obtained by a conventional and a high power plasma system. It aims to analyze the benefits of the Plazjet in terms of high productivity and high quality. The first part of this paper consists of a technical review of the spraying torches: a classical 40 kW APS is compared with the 250 kW HPPS Plazjet. The second part consists of a description of the spraying tests conditions: material substrate, powders, and qualitative and quantitative characteristics of the coatings. An additional study of the economic features is conducted to analyze the industrial point of view. Paper includes a German-language abstract.

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