Corrosion behaviour of porous Ti–39Nb alloy for biomedical applications
By Fojt, Jaroslav; Joska, Ludik & Màlek, Jaroslav
Published in Corrosion Science
2013
Abstract
The presented work was aimed to describe the effect of porosity on the corrosion behaviour of Ti–39Nb alloy produced by the powder metallurgy technology, which represents a prospective material for medical applications. Corrosion properties of specimens with a porosity ranging from 0% to 33% were studied in simulated body environments, using electrochemical techniques and exposure tests. The results of measurements proved the occurrence of a localized form of corrosion in the material with a porosity of 24% and 33%. Distinct localization of the corrosion process was recorded in an environment containing fluoride ions.