Tribocorrosion behavior of Ti-Nb-5Mo alloys designed for biomedical applications

This study investigated the tribocorrosion behavior of three alloys of the Ti-xNb-5Mo system. OCP and COF values were monitored, and the alloys' repassivation rate was calculated after sliding. The wear volume of the alloys was calculated by analyzing the profilometry results obtained by confoc...

Full description

Bibliographic Details
Authors: Cardoso, Giovana Collombaro [UNESP], Kuroda, Pedro Akira Bazaglia [UNESP], Galindo, Enzo Lewin [UNESP], Pintão, Carlos Alberto Fonzar [UNESP], Grandini, Carlos Roberto [UNESP]
Format: article
Status:Published version
Publication Date:2024
Country:Brasil
Institution:Universidade Estadual Paulista (UNESP)
Repository:Repositório Institucional da UNESP
Language:English
OAI Identifier:oai:repositorio.unesp.br:11449/306566
Online Access:http://dx.doi.org/10.1016/j.triboint.2023.109128
https://hdl.handle.net/11449/306566
Access Level:Open access
Keyword:Biomaterials
Niobium
Repassivation rate
Titanium alloys
Wear volume
Description
Summary:This study investigated the tribocorrosion behavior of three alloys of the Ti-xNb-5Mo system. OCP and COF values were monitored, and the alloys' repassivation rate was calculated after sliding. The wear volume of the alloys was calculated by analyzing the profilometry results obtained by confocal microscopy. The alloy with the highest hardness (Ti-20Nb-5Mo) had the lowest wear volume (0.06 ± 0.02 mm³). Furthermore, OCP results during sliding showed that increasing Nb content increased the corrosion resistance of the alloys.