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Xu W.♦, Wang Y.♦, Yang X.♦, Zeng Z.♦, Wang J.♦, Wang N.♦, Chen S.♦, Jarząbek D., Yu S.♦, Synthesis diamond films on high entropy alloys by chemical vapor deposition: Microstructure, growth behavior and corrosion,
International Journal of Minerals, Metallurgy and Materials, ISSN: 1674-4799, DOI: 10.1007/s12613-025-3167-x, Vol.32, No.10, pp.2560-2571, 2025 Abstract:
The heteroepitaxy of diamond films has received widespread attention; however, its application remains limited owing to the mismatch in properties and structure between diamond and heterogeneous substrates. In this study, diamond films were successfully synthesized on high-entropy alloys (HEAs) substrates using microwave plasma chemical vapor deposition. The resulting diamond films were continuous, uniform, and adhered to the HEAs substrates. The mixed carbides were identified using X-ray diffraction, and the quality of the diamond films was examined using Raman spectroscopy. Moreover, the corrosion test revealed that the diamond/TiZrHfMo samples had excellent electrochemical stability and corrosion resistance with a corrosion potential value of −0.169 V in a 3.5wt% NaCl solution. A multiple regression model was established to evaluate the effects of the structure and growth parameters, which confirmed that the mixing entropy significantly affected the grain size and corrosion properties. Keywords:
high-entropy alloy, chemical vapor deposition, diamond film, multiple regression model Affiliations:
| Xu W. | - | other affiliation | | Wang Y. | - | Beijing Aeronautical Manufacturing Technology Research Institute (CN) | | Yang X. | - | University of Wales Swansea (GB) | | Zeng Z. | - | other affiliation | | Wang J. | - | other affiliation | | Wang N. | - | other affiliation | | Chen S. | - | National Taiwan University (TW) | | Jarząbek D. | - | IPPT PAN | | Yu S. | - | other affiliation |
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