Abstract
Bioactive calcium phosphate (brushite, CaHPO4·2H2O) coatings on carbon/carbon composites were prepared by a cathode sonoelectrodepostion process. The effect of ultrasonic operative power, current density and voltage on morphology, structure and adhesion to the carbon/carbon composites were investigated by SEM, EDAX, FITR and XRD. Results show that the current density and voltage can be kept constant during sonoelectrodepostion, indicating that this process has a self-optimizing character. The morphologies of the brushite coating is flake-like, consisting of two of monoclinic phases. The residue pores in the original C/C composite are retained. The bioactive brushite coatings cannot be exfoliated by ultrasound below a critical operating power.
| Original language | English |
|---|---|
| Pages (from-to) | 33-37 |
| Number of pages | 5 |
| Journal | Xinxing Tan Cailiao/New Carbon Materials |
| Volume | 19 |
| Issue number | 1 |
| State | Published - Mar 2004 |
Keywords
- Bioactive coating
- Brushite
- Carbon/carbon composites
- Cathode sonoelectrodeposition