Abstract：
:The fabrication of the workhorse Ti-6Al-4V alloy and of the Ti-3Al-2.5V alloy was studied considering the master alloy addition variant of the blending elemental approach conventionally used for titanium powder metallurgy. The powders were characterised by means thermal analysis and X-ray diffraction and shaped by means of uniaxial pressing. The microstructural evolution with the sintering temperature (900-1400 °C) was evaluated by SEM and EDS was used to study the composition. XRD patterns as well as the density by Archimedes method were also obtained. The results indicate that master alloy addition is a suitable way to fabricate well developed titanium alloy but also to produce alloy with the desired composition, not available commercially. Density of 4.3 g/cm³ can be obtained where a temperature higher than 1200 °C is needed for the complete diffusion of the alloying elements. Flexural properties comparable to those specified for wrought Ti-6Al-4V medical devices are, generally, obtained.
journal_name
J Mech Behav Biomed Materauthors
Bolzoni L,Esteban PG,Ruiz-Navas EM,Gordo Edoi
10.1016/j.jmbbm.2012.05.019subject
Has Abstractpub_date
2012-11-01 00:00:00pages
33-45eissn
1751-6161issn
1878-0180pii
S1751-6161(12)00182-8journal_volume
15pub_type
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