| About this Abstract |
| Meeting |
2025 TMS Annual Meeting & Exhibition
|
| Symposium
|
Alumina and Bauxite
|
| Presentation Title |
Improvement Mechanical Properties Has Exposure to Hot Isostatic Pressing at Different Times of Ceramics α-Al2O3 for Total Hip Arthroplasty |
| Author(s) |
Hannachi M. Bouzid |
| On-Site Speaker (Planned) |
Hannachi M. Bouzid |
| Abstract Scope |
study focuses on experimental investigations of the mechanical characteristics and tribological mechanisms of nanometric alpha-alumina for biomedical applications. During ball milling, the Al2O3 powder was converted into nanostructured α-Al2O3. Structural evolution and morphological changes in powder particles during grinding were studied by X-ray diffraction and scanning electron microscopy. In addition, the size of the crystallites of the sample decreased to 25 nanometers after 48 hours of grinding. Morphological studies of powder particles showed that their size decreased continuously with increasing crushing time. The hardness and elastic modulus values of the powder particles were measured by nanoindentation. A tribometer oscillatory test machine was used to examine friction and wear. The slip rate and coefficient of friction were lower in the nanocrystalline samples ground for 48 hours under the same applied load. The finer microstructure of the sample ground for 48 hours is thought to be responsible for the improved wear resistance. |
| Proceedings Inclusion? |
Planned: Light Metals |
| Keywords |
Biomaterials, Aluminum, Ceramics |