Table 2.
Various electrolyte solutions and applied potentials used for anodizing Ti substrates [39].
| Sample | Electrolyte solution | Applied potential (V) | Results |
|---|---|---|---|
| 1 | 1 wt% HF | 60 | Dot-like structures from fast dissolution of oxide layer |
|
| |||
| 2 | 1 M H3PO4+ 1 wt% HF | 60 | Nanopowder granules on dot-like structures |
|
| |||
| 3 | 5 M H3PO4+ 1 wt% HF | 60 | Nanopowders |
|
| |||
| 4 | 10 M H3PO4+ 1 wt% HF | 60 | Nanopowders + Nanotubes |
|
| |||
| 5 | 1 M H3PO4 | 60 | Cracking of barrier oxide layer |
|
| |||
| 6 | 1 M H3PO4 | 200 | Microporous structure |
|
| |||
| 7 | 1 M H3PO4+ 1 wt% HF | 20 | Nanotubes |