Layers are used to adapt machine components efficiently and cost-effectively to industrial applications. The importance and demand for protective layers has increased, especially for wear and corrosion protection. There are various technologies with which layers can be applied. Galvanic processes ( for example hard chrome) and build-up welding are traditionally used for wear protection. The use of thermal spraying has also increased significantly. In this paper, studies on WC-containing layers are presented. The layers are made using two High Velocity Oxygen Fuel processes. Microstructure, hardness, and wear characteristics are examined. The results show that the layers have excellent wear resistance and are suitable for many applications. Paper includes a German-language abstract.

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