ArticleScientific reports2022
Preparation and characterization of novel as-cast Ti-Mo-Nb alloys for biomedical applications.
Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed, 47 citations in OpenAlex.
- Investigation of the Chemical Composition, Microstructure, Density, Microhardness, and Elastic Modulus of the New β Ti-50Nb-xMo Alloys for Biomedical Applications.Materials (Basel, Switzerland) · 2024Article
- Antimicrobial Cu-Doped TiOMaterials (Basel, Switzerland) · 2023Article
- Dental Implants: Modern Materials and Methods of Their Surface Modification.Materials (Basel, Switzerland) · 2023Review
- Ti-15Zr and Ti-15Zr-5Mo Biomaterials Alloys: An Analysis of Corrosion and Tribocorrosion Behavior in Phosphate-Buffered Saline Solution.Materials (Basel, Switzerland) · 2023Article
- Article
- Personalized Orbital Fracture Repair: Enhancing 3D-Printed Titanium Mesh with Biomimetic 3D-Printed HAP-COL Frameworks.Romanian journal of ophthalmologyArticle
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7 authors at 5 institutions in 2 countries.
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Abstract
Ti and its alloys are the most used metallic biomaterials devices due to their excellent combination of chemical and mechanical properties, biocompatibility, and non-toxicity to the human body. However, the current alloys available still have several issues, such as cytotoxicity of Al and V and high elastic modulus values, compared to human bone. β-type alloys, compared to α-type and (α + β)-type Ti alloys, have lower elastic modulus and higher mechanical strength. Then, new biomedical β-type alloys are being developed with non-cytotoxic alloying elements, such as Mo and Nb. Therefore, Ti-5Mo-xNb system alloys were prepared by argon arc melting. Chemical composition was evaluated by EDS analysis, and the density measurements were performed by Archimedes' method. The structure and microstructure of the alloys were obtained by X-ray diffraction and optical and scanning electron microscopy. Microhardness values were analyzed, and MTT and crystal violet tests were performed to assess their cytotoxicity. As the Nb concentration increases, the presence of the β-Ti phase also grows, with the Ti-5Mo-30Nb alloy presenting a single β-Ti phase. In contrast, the microhardness of the alloys decreases with the addition of Nb, except the Ti-5Mo-10Nb alloy, which has its microhardness increased probably due to the ω phase precipitation. Biological in-vitro tests showed that the alloys are not cytotoxic.
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