Development of TiNbZr Biomedical Alloy by spark plasma sintering and post Heat Treatment

The first generation of Ti alloys i.e: Ti6Al4V and TiN have been used for long time. However, the several studies showed that some elements like V,Al, and Ni has toxic, and inflammation effect . Therefore, the selection of alloying elements is very critical to make sure biocompatibility of the alloy. Ti alloy showed higher biocompatibility, and corrosion properties However, Ti alloy showed less wear resistance compared to Co-Cr based or stainless steel alloys which reduce the life service of the implant and cause implant loosening. One of the approach to improve the mechanical characteristics of Ti alloy by applying heat treatments. The mechanical properties and corrosion resistance of Ti alloy depend on the microstructure; phase present ( and ), its volume fraction and the distribution of phase in the matrix of the alloy. All of these parameters could be controlled by applying the heat treatment. (Solution treatment and ageing). The main intension of the project is to fabricate a nanostructure TiNbZr alloy with improved mechanical properties from nontoxic and biocompatible elements; Ti,Nb, and Zr for biomedical applications by powder metallurgy followed by post heat treatments . The alloy will be synthesized from elemental powder of Ti,Nb, and Zr using ball milling, then will be consolidated by using spark plasma sintering followed by post heat treatments . After sintering, the alloy will be heat treated by applying solution treatment and ageing. The Structure, microstructure, mechanical, and corrosion (in simulated body fluid) characterizations will be performed to investigate the effect of different heat treatment conditions on the developed structure, microstructure, and mechanical properties. The successful implementation of the proposed research work, if funded, would noticeable the path for more in-depth research for this advanced promising biomaterials and lead to the outline of a technological route that can be utilized to develop a biomaterials Ti alloys for implant applications