Table 1.
Mechanical properties of materials involved in the CT scan analysis and segmentation of Case 1 [16,17].
| Components | Materials | Elastic Modulus (MPa) | Density | Hounsfield Unit (HU) Values | |
|---|---|---|---|---|---|
| Cortical bone | Cortical bone | 17,300 | 1.6–2 g/mm3 (porosity 10%) |
1500 | |
| Cancellous bone | Cancellous bone | 400 | 0.05–0.3 g/mm3 (porosity 70%) |
200–700 | |
| Femoral prosthesis (Osteonics, Omnifit, Stryker) | Titanium alloy + Hidroxyapatite | 110,600 | 4.43 g/cm3 | 3071 | |
| Acetabular cup (Osteonics, Omnifit, Stryker) | Titanium alloy + Hidroxyapatite | 110,600 | 4.43 g/cm3 | 3071 | |
| Acetabular revision cup (Delta Revision TT, Lima) | Trabecular Titanium | 8963 | 4.43 g/cm3 (porosity 60%) |
2840–3071 | |
| Screws | Titanium alloy | 110,600 | 4.43 g/cm3 | 3071 | |
| Polyethilene insert | Ultra-High-Molecular-Weight Polyethylene | 1500 | 0.93 g/cm3 | 19–53 | |
| Metallic femoral head | Cobalt–chromium alloy | 230,000 | 8.2 g/cm3 | 3071 | |
| Ceramic femoral head | Alumina | 350,000 | 4.1 g/cm3 | 3071 | |