Cytocompatibility Evaluation of Ti-6Al-4V Alloy After Gas Oxynitriding
The oxynitriding of Ti-6Al-4V alloy was realized by thermodiffusion saturation of non-stoichiometric titanium nitride by oxygen (P(O 2 ) = 10 −3 to 1 Pa). The oxygen content in TiN x O 1− x increased by increasing P(O 2 ) and it led to transformation into TiO 2 as follows: TiN 0.46 O 0.54 → TiN 0.42...
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| Veröffentlicht in: | Journal of materials engineering and performance 2020-12, Vol.29 (12), p.7785-7792 |
|---|---|
| Hauptverfasser: | , , , , , , |
| Format: | Artikel |
| Sprache: | eng |
| Schlagworte: | |
| Online-Zugang: | Volltext |
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| Zusammenfassung: | The oxynitriding of Ti-6Al-4V alloy was realized by thermodiffusion saturation of non-stoichiometric titanium nitride by oxygen (P(O
2
) = 10
−3
to 1 Pa). The oxygen content in TiN
x
O
1−
x
increased by increasing P(O
2
) and it led to transformation into TiO
2
as follows: TiN
0.46
O
0.54
→ TiN
0.42
O
0.58
→ TiN
0.36
O
0.64
+ TiO
2
. It caused an increase in the viability of pseudonormal human cells of HEK293T line after 8 days of testing. TiN
0.36
O
0.64
+ TiO
2
coating exhibited normal morphology and provided 1.2-fold higher cytocompatibility compared to Ti-6Al-4V alloy. This coating can be recommended for further in-depth testing as bio-implant material. |
|---|---|
| ISSN: | 1059-9495 1544-1024 |
| DOI: | 10.1007/s11665-020-05265-z |