DEBNÁROVÁ, Stanislava, Pavel SOUČEK, Vilma BURŠÍKOVÁ, Marcus HANS, Damian HOLZAPFEL, Stanislav MRÁZ, Jochen M. SCHNEIDER a Petr VAŠINA. Phase formation, thermal stability and mechanical properties of Nb-B-C coatings prepared by combinatorial magnetron sputtering. Surface & Coatings Technology. Elsevier, 2022, roč. 433, March, s. 1-9. ISSN 0257-8972. Dostupné z: https://dx.doi.org/10.1016/j.surfcoat.2022.128137. |
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@article{1826441, author = {Debnárová, Stanislava and Souček, Pavel and Buršíková, Vilma and Hans, Marcus and Holzapfel, Damian and Mráz, Stanislav and Schneider, Jochen M. and Vašina, Petr}, article_number = {March}, doi = {http://dx.doi.org/10.1016/j.surfcoat.2022.128137}, keywords = {Nb-B-C; Coatings; Combinatorial magnetron sputtering; Protective coatings; Thermal stability; Mechanical properties}, language = {eng}, issn = {0257-8972}, journal = {Surface & Coatings Technology}, title = {Phase formation, thermal stability and mechanical properties of Nb-B-C coatings prepared by combinatorial magnetron sputtering}, url = {https://www.sciencedirect.com/science/article/pii/S0257897222000585}, volume = {433}, year = {2022} }
TY - JOUR ID - 1826441 AU - Debnárová, Stanislava - Souček, Pavel - Buršíková, Vilma - Hans, Marcus - Holzapfel, Damian - Mráz, Stanislav - Schneider, Jochen M. - Vašina, Petr PY - 2022 TI - Phase formation, thermal stability and mechanical properties of Nb-B-C coatings prepared by combinatorial magnetron sputtering JF - Surface & Coatings Technology VL - 433 IS - March SP - 1-9 EP - 1-9 PB - Elsevier SN - 02578972 KW - Nb-B-C KW - Coatings KW - Combinatorial magnetron sputtering KW - Protective coatings KW - Thermal stability KW - Mechanical properties UR - https://www.sciencedirect.com/science/article/pii/S0257897222000585 N2 - In this study, combinatorial magnetron sputtering was used to deposit Nb-B-C coatings in a wide composition range. The phase formation, thermal stability and mechanical properties of these coatings were investigated in relation to their composition and deposition conditions. The studied coatings were amorphous, short range ordered or exhibited crystalline phases such as Nb, NbC and NbB2. Higher energy flux to the coating achieved by the use of bias and heating during deposition resulted in coatings being crystalline over a wider composition range. Annealing of the coatings after deposition resulted in a higher degree of crystallinity as well as an increase in hardness and effective elastic modulus. The hardness of the coatings was up to 22.5 ± 0.7 GPa before and up to 35.0 ± 0.6 GPa after annealing. The effective elastic modulus was up to 240 ± 10 GPa before and up to 310 ± 7 GPa after annealing. Coatings with a high B content exhibited the highest hardness and elastic modulus in both cases. Coating powder was prepared by sputtering a Nb2BC target and studied using differential scanning calorimetry. The powder exhibited a crystalline NbC phase before and after annealing up to 900 °C. The material was stable in an Ar atmosphere in the studied temperature range. In an Ar + O2 mixture, the powder was stable up to ~580 °C. At this temperature, an oxidation reaction started, resulting in the formation of Nb2O5. ER -
DEBNÁROVÁ, Stanislava, Pavel SOUČEK, Vilma BURŠÍKOVÁ, Marcus HANS, Damian HOLZAPFEL, Stanislav MRÁZ, Jochen M. SCHNEIDER a Petr VAŠINA. Phase formation, thermal stability and mechanical properties of Nb-B-C coatings prepared by combinatorial magnetron sputtering. \textit{Surface \&{} Coatings Technology}. Elsevier, 2022, roč.~433, March, s.~1-9. ISSN~0257-8972. Dostupné z: https://dx.doi.org/10.1016/j.surfcoat.2022.128137.
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