title: Influence of heat treatment and oxygen doping on the mechanical properties and biocompatibility of titanium-niobium binary alloys.
abstract: The most commonly used titanium (Ti)-based alloy for biological applications is Ti-6Al-4V, but some studies associate the vanadium (V) with the cytotoxic effects and adverse reactions in tissues, while aluminum (Al) has been associated with neurological disorders. Ti-Nb alloys belong to a new class of Ti-based alloys with no presence of Al and V and with elasticity modulus values that are very attractive for use as a biomaterial. It is well known that the presence of interstitial elements (such as oxygen, for example) changes the mechanical properties of alloys significantly, particularly the elastic properties, the same way that heat treatments can change the microstructure of these alloys. This article presents the effect of heat treatment and oxygen doping in some mechanical properties and the biocompatibility of three alloys of the Ti-Nb system, characterized by density measurements, X-ray diffraction, optical microscopy, Vickers microhardness, in vitro cytotoxicity, and mechanical spectroscopy.
authors: UNESP-Universidade Estadual Paulista, Laboratório de Anelasticidade e Biomateriais, USP, Bauru, Brazil.
authors: Luciano Monteiro
authors: LM
authors: da Silva
authors: Ana Paula Rosifini Alves
authors: AP
authors: Claro
authors: Tatiani Ayako Goto
authors: TA
authors: Donato
authors: Victor E
authors: VE
authors: Arana-Chavez
authors: João Carlos Silos
authors: JC
authors: Moraes
authors: Marília Afonso Rabelo
authors: MA
authors: Buzalaf
authors: Carlos Roberto
authors: CR
authors: Grandini