期刊
COATINGS
卷 12, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/coatings12020195
关键词
hydroxyapatite; SiC- and Ag-SiC-doped hydroxyapatite; magnetron sputtering; structure; corrosion and tribological evaluation; in vitro biocompatibility test
资金
- Romanian National Authority for Scientific Research and Innovation CCCDI-UEFISCDI [91/2019]
SiC- and Ag-SiC-doped hydroxyapatite coatings were deposited via magnetron sputtering, providing improved corrosion resistance, mechanical properties, and biocompatibility.
SiC- and Ag-SiC-doped hydroxyapatite (HA) coatings were deposited via magnetron sputtering aiming at increased corrosion protection of Ti-10Nb-10Zr-5Ta alloy in simulated body fluid environment and superior mechanical properties compared to plain hydroxyapatite. The coatings had a total thickness of about 350 nm. The X ray diffraction patterns indicate that HA coatings are polycrystalline with a hexagonal structure and the addition of SiC determined the coating amorphization. All coatings presented a lower roughness compared to the Ti alloy and were hydrophilic. Ag-SiC-HA coating presented the best corrosion resistance and tribological parameters. All coatings were biocompatible, as ascertained via indirect cytocompatibility studies conducted on Vero cells.
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