The Effect of Ta, Mg, and Zn Content on the Properties of Ti-Ta-Mg and Ti-Ta-Zn Alloys Prepared by Mechanical Alloying and Hot Pressing

Abstract The main goal of this study was to achieve poreless titanium alloys with nanocrystalline structure. To end, the influence Ta, Mg and Zn content on properties Ti investigated. At first, powders x Ta y Zn, where = (30 40 wt.%) (3 5 wt.%), were prepared using mechanical alloying process at room temperature. Then, hot-pressing 750 °C under vacuum applied for 10 s consolidate powders. structure, microstructure, chemical composition, properties, corrosion resistance, wettability MTT assay have been Alloys allowed undergo a shorter process, greater grain refinement after consolidation improve properties. In all cases increasing amounts additives in titanium, more Ti-β phase available. Furthermore, elements content, hot-pressed consisting tended hydrophobic surface. According test, new show non-toxic Among tested study, Ti40Ta5Mg had most interesting biomedical applications, highest (81.3%), lowest porosity (0.07%), Young modulus (102.1 GPa) surface free energy (38.45 mN/m).