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Precipitation of alfa and omega phases and recrystallization phenomena in plastically cold deformed Ti-Nb-Sn alloys


This research proposal deals with the development of new type beta titanium alloys with niobium and tin to be used as structural biomaterials in orthopedic implants. The intention is to evaluate the effects of Sn addition and plastic deformation on the microstructure and the mechanical properties of Ti-Nb-Sn alloys after different heat treatments, analyzing phenomena such as phase precipitation and recrystallization of the microstructure. The development of this research proposal is expect to contribute to the establishment of human resources in the field of processing and characterization of titanium alloys, as well as to contribute to the development of technology that allows obtaining, processing and characterizing titanium alloys with application in the production of orthopedic devices for implants. (AU)

Scientific publications (4)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
VERISSIMO, NATHALIA C.; GEILICH, BENJAMIN M.; OLIVEIRA, HAROLDO G.; CARAM, RUBENS; WEBSTER, THOMAS J. Reducing Staphylococcus aureus growth on Ti alloy nanostructured surfaces through the addition of Sn. Journal of Biomedical Materials Research Part A, v. 103, n. 12, p. 3757-3763, DEC 2015. Web of Science Citations: 2.
LOPES, EDER S. N.; CONTIERI, RODRIGO J.; BUTTON, SERGIO T.; CARAM, RUBENS. Femoral hip stem prosthesis made of graded elastic modulus metastable beta Ti Alloy. MATERIALS & DESIGN, v. 69, p. 30-36, MAR 15 2015. Web of Science Citations: 11.
MORAES, PAULO E. L.; CONTIERI, RODRIGO J.; LOPES, EDER S. N.; ROBIN, ALAIN; CARAM, RUBENS. Effects of Sn addition on the microstructure, mechanical properties and corrosion behavior of Ti-Nb-Sn alloys. MATERIALS CHARACTERIZATION, v. 96, p. 273-281, OCT 2014. Web of Science Citations: 33.
VERISSIMO, NATHALIA C.; CREMASCO, ALESSANDRA; RODRIGUES, CHRISTIANE A.; BERTAZZOLI, RODNEI; CARAM, RUBENS. In situ characterization of the effects of Nb and Sn on the anatase-rutile transition in TiO2 nanotubes using high-temperature X-ray diffraction. Applied Surface Science, v. 307, p. 372-381, JUL 15 2014. Web of Science Citations: 9.

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