The goal of this work is to develop a flame sprayed NiCr-Cr3C2 coating that resists oxidation, corrosion, and erosion in boiler environments and to assess the influence of Cr3C2 fraction and sealing on coating performance. In the experiments, NiCr cermet alloys with different proportions of chromium carbide were applied to boiler steel substrates by means of subsonic velocity flame spraying and some of the coatings were sealed with a silicon resin. The paper describes the various tests performed and presents the results. Paper includes a German-language abstract.

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