Numerical Modeling of the Cracking Process in a Hip Joint Endoprosthesis
| Authors | Belkacem Meddour |
| Affiliations |
Laboratoire d’Ingénierie et Sciences des Matériaux Avancés ISMA Department of Mechanical Engineering, Abbas Laghrour University, Khenchela, Algeria |
| Е-mail | samsum66@gmail.com |
| Issue | Volume 17, Year 2025, Number 4 |
| Dates | Received 23 April 2025; revised manuscript received 20 August 2025; published online 29 August 2025 |
| Citation | Belkacem Meddour, J. Nano- Electron. Phys. 17 No 4, 04038 (2025) |
| DOI | https://doi.org/10.21272/jnep.17(4).04038 |
| PACS Number(s) | 07.05.Tp |
| Keywords | Hip, Cracking Process, Toughness fracture, Zirconia. |
| Annotation |
Based on the linear elastic fracture mechanics, the propagating crack within the cup of total hip prosthesis was studied in this paper. Because of good advantages of zirconia it was proposed as a material of the cup, in the other hand zirconia like all bioceramics has an important weakness which is fragility. To predict the cracking of the cup under given conditions, a prior defect was created within the cup in two different locations. The approach is lying on determining the stress intensity factor by using extrapolating method involving a numerical method of interpolating; moreover the size of the prior crack is incremented and a new calculation of the stress intensity factor the same procedure is performed. The procedure is repeated until reaching a supposed threshold equal to the toughness fracture. The numerical simulation was performed using finite element software Abaqus. The results showed good behavior of zirconia against cracking. |
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