Structure, mechanical and tribological properties of hard yet tough W-B-C coatings as a function of their chemical composition

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Authors	SOUČEK Pavel DEBNÁROVÁ Stanislava MIRZAEI Saeed ZÁBRANSKÝ Lukáš STUPAVSKÁ Monika ALISHAHI Mostafa BERNÁTOVÁ Katarína CZIGÁNY Zsolt BALÁZSI Katalin PEŘINA Vratislav MIKŠOVÁ Romana BURŠÍKOVÁ Vilma PEI Yutao VAŠINA Petr
Year of publication	2019
Type	Conference abstract
MU Faculty or unit	Faculty of Science
Citation
Description	In this contribution, we report on the preparation of W-B-C coatings by pulsed DC. W-B-C system was chosen as the crystalline W2BC phase should exhibit the best mechanical properties out of the systems studied by ab-initio calculations. However, this comes at the cost of phase stability of the W2BC phase presenting an obstacle for the deposition of the theoretically predicted phase. The existence of different crystalline and amorphous phases depending on the coating composition will be shown and the correlation of the mechanical properties, the structure, and the coating chemistry will be presented.
Related projects:	CEPLANT - Regionální VaV centrum pro nízkonákladové plazmové a nanotechnologické povrchové úpravy Rozvoj centra pro nízkonákladové plazmové a nanotechnologické povrchové úpravy