Abstract
Mechanical properties of hydroxyapatite (HAp) ceramics and HAp/β-tricalcium phosphate (β-TCP) composites were measured at room temperature and at 1100°C to investigate influence of the β-TCP dispersion. HAp powder was synthesized by precipitation method, and the ceramics and its composites were obtained by sintering the powder. The HAp/30%β-TCP exhibited the best contribution to mechanical properties in this study. The compression test at 1100°C showed that the β-TCP dispersion reduced yield stress and work hardening of the HAp ceramics. Moreover, it was found that the composites were largely deformed without the change in grain shape and grain size. The result suggests superior superplasticity in the HAp/β-TCP composites to the HAp ceramics.
| Original language | English |
|---|---|
| Pages (from-to) | 1002-1005 |
| Number of pages | 4 |
| Journal | Journal of the Ceramic Society of Japan |
| Volume | 116 |
| Issue number | 1357 |
| DOIs | |
| Publication status | Published - Sept 2008 |
| Externally published | Yes |
Keywords
- Composite
- High-temperature deformation
- Hydroxyapatite
- Mechanical property
- Superplasticity
- β-tricalcium phosphate
ASJC Scopus subject areas
- Ceramics and Composites
- Chemistry(all)
- Condensed Matter Physics
- Materials Chemistry