Abstract
The purpose of research in the biomaterials field is to produce new materials with physical and chemical properties close to the tissue to be replaced with minimal toxic response to the foreign body. Among the various metallic materials, titanium and its alloys have this great combination of properties. The most promising alloys are those with niobium, molybdenum, tantalum, and zirconium as alloying elements added to titanium. Thus, this kind of alloys integrate a new class of alloys without aluminum and vanadium (which cause cytotoxicity) and have a low modulus of elasticity (below 100 GPa). The objective of this work is to analyze the structure and microstructure of a niobium-based alloy, Ti-50wt%Nb. This alloy was produced in an arc-melting furnace with an inert atmosphere of argon gas. After melting, the samples were characterized by density, X-ray diffraction, scanning electron microscopy, and hardness. The X-ray diffraction data shows the peaks corresponding to the beta phase (with body-centered cubic crystalline structure), corroborated by scanning electron microscopy images. The value of the lattice parameter of the body-centered cubic crystalline structure was 3.2868 Å.
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