Abstract

The different HVOF processes have established themselves alongside the conventional thermal spray processes for the production of wear and corrosion protection layers. The increasing demands on functional component surfaces with regard to mechanical, chemical, and thermal loads lead to the development of novel material systems for spray application. Due to the synergy of excellent material properties, SiC is of great interest for thermal spraying. High-energy grinding is an interesting and economical alternative to the production of SiC-containing composite powders. In this paper, mechanically alloyed SiC composite powders with different metallic matrices are produced. These SiC composite powders are processed using HVOF. The sprayed layers are characterized in terms of layer morphology and wear behavior and compared with conventional cermets. Paper includes a German-language abstract.

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