PSI - Issue 72

Dragana Mihajlović et al. / Procedia Structural Integrity 72 (2025) 195 – 202

202

corresponding thickness reduction value. The diagram F-dt can be used to determine the appropriate value of f 0 (calibration), which is 0.005 for both materials (Ti-13Nb-13Zr alloy before and after anodi oxidation). Acknowledgment The authors acknowledge the support of the Ministry of Education, Science and Technological Development of the Republic of Serbia (Contract Nos. 451-03-47/2025- 01/200135, 451-03-47/2025-01/200017 and 451-03-47/2025 01/200287). References Barjaktarević, D., Djokić, V., Bajat, J., Dimić, I., Cvijović - Alagić, I., Rakin, M., 2019. The influence of the surface nanostructured modification on the corrosion resistance of the ultrafine-grained Ti – 13Nb – 13Zr alloy in artificial saliva. Theoretical and Applied Fracture Mechanics 103, 102307. https://doi.org/10.1016/j.tafmec.2019.102307 Nikolova, P., Apostolova, D., 2023. Advances in Multifunctional Bioactive Coatings for Metallic Bone Implants. Materials, 16, 183. https://doi.org/10.3390/ma16010183 Abd-Elaziem, W., Darwish, M., Hamada, A., Daoush, W., 2024. Titanium-Based alloys and composites for orthopedic implants Applications: A comprehensive review. Materials & Design, 241, 112850. https://doi.org/10.1016/j.matdes.2024.112850 Barjaktarević, D., Cvijović - Alagić, I., Dimić, I., Đokić, V., Rakin, M., 2016. Anodization of the Ti -based materialsfrom biomedical applications: A review. Metallurgical and Material Engineering, 22 1291 – 1243. https://doi.org/10.30544/209 Barjaktarević, D., Djokić, V., Damnjanović, I., Rakin, M., 2018. Nanotubul ar oxide layer formed on the Ti-based implant surfaces- application and possible damages: A review. Metallurgical and Material Engineering, 24, 243 – 259. . https://doi.org/10.30544/401 Mihajlović, D., Rakin, M., Hohenwarter, A., Veljović, Dj., Kojić, V., Djokić, V., 2024. The Effect of the Nanostructured Surface Modificat ion on the Morphology and Biocompatibility of Ultrafine-Grained Titanium Alloy for Medical Application. "Mechanical Engineering in Biomedical Application: Bio-materials, Implant Design, Bio-3D Printing,Computational, Tissue & Biofluid Mechanics", (Wiley- Scrivener Publishing LLC, Dr Jay Prakash Srivastava, Prof Dražan Kozak, Prof Vinayak Ranjan, Dr Pankaj Kumar, Dr Ranjan Kumar, Dr Sh ubham Tayal Editors, ISBN 978-1-394-17452-2) 121-150, https://doi.org/10.1002/9781394175109.ch5 Barjaktarević D., Medjo B., Štefane P., Gubeljak N., Cvijović - Alagić I., Djokić V., Rakin M., 2021. Tensile and Corrosion Properties of Anodized Ultrafine-Grained Ti-13Nb-13Zr Biomedical Alloy Obtained by High-Pressure Torsion. Metals and Materials International, https://doi.org/10.1007/s12540-020-00837-z Zhang, Z., 2001. A complete Gurson Model, in Nonlinear Fracture and Damage Mechanics, edited by M. H. Alibadi, WIT Press Southampton, 223-248 Zhang, Z., Thaulow, C., Ødegård, J., 2000, A complete Gurson model approach for ductile fracture, Engenering Fracture Mechanics, 67, 155 168. https://doi.org/10.1016/S0013-7944(00)00055-2 Rakin, M., Lokalni pristup žilavom lomu metalnih materijala, Savez inženjera metalurgije Srbije, Beograd, 2009