FRICTION AND WEAR BEHAVIOUR OF Ti-6AI-7Nb BIOMATERIAL ALLOY
dc.contributor.author
hal.structure.identifier | LABAIZ, Mohamed
|
dc.contributor.author
hal.structure.identifier | FELLAH, Mamoun
|
dc.contributor.author
hal.structure.identifier | ASSALA, Omar
|
dc.contributor.author
hal.structure.identifier | IOST, Alain
|
dc.date.accessioned | 2016 |
dc.date.available | 2016 |
dc.date.issued | 2013 |
dc.date.submitted | 2015 |
dc.identifier.uri | http://hdl.handle.net/10985/10879 |
dc.description.abstract | Titanium and its alloys have been used as implant materials due to their very good mechanical and corrosion resistance and biocompatibility [1,2]. The most used biomaterials were commercially pure titanium (CP-Ti} issued in clinics, although CP- Ti has been pointed out to have disadvantages of low strength, difficulty for polishing, and poor wear resistance. Therefore, Titanium is still insufficient for high-stress applications ; e.g., long spanned fixed prostheses and the frameworks of removable partial dentures.Ti-6Al-4V alloy, originally developped as an aeronautical material, has been tested as a replacement for CP-Ti, because of its high mechanical properties with sufficient corrosion resistance[3], however, the cytoxicity of elemental Vanadium is questionable. Subsequently, some researches prove that vanadium and aluminum ions released from this ternary alloy can induce cytoxic effects or neurological disorders, respectively [4]. Also, for long-term, this alloy has transferred in sufficient load to adjacent bones, resulting in good resorbption and eventual loosening of the implant. Another ternary alloy used as implants was vanadium free, a+ii alloy, especially Ti-6Al-7Nb alloy that revealed improved mechanical characteristics, corrosion resistance and biocompatibility , developed for orthopedics application as a wrought material, has been evaluated as a new alloy for total hip prostheses. Niobium exhibits a similar effect to vanadium instabilizing ii phase in the Ti-Nb binary system, which is necessary for providing the a -ii two-phase structure. Therefore, niobium was used as the ternary element to produce the desirable microstructure in the Ti-6Al-7Nb alloy. Ascompared with Ti-6Al-4 V alloy, in a tensile test, these alloy show slightly lower strength and about 40% higher elongation. |
dc.language.iso | en |
dc.publisher | Société Tribologique de France |
dc.rights | Post-print |
dc.subject | Friction |
dc.subject | Wear |
dc.subject | Biomaterial |
dc.subject | Total hip prosthesis |
dc.subject | Ti-6Al-7Nb |
dc.title | FRICTION AND WEAR BEHAVIOUR OF Ti-6AI-7Nb BIOMATERIAL ALLOY |
dc.typdoc | Communication avec acte |
dc.localisation | Centre de Lille |
dc.subject.hal | Sciences de l'ingénieur: Matériaux |
dc.subject.hal | Sciences de l'ingénieur: Mécanique: Biomécanique |
dc.subject.hal | Sciences de l'ingénieur: Mécanique: Mécanique des matériaux |
ensam.audience | Nationale |
ensam.conference.title | 25 èmes journées internationales francophones de tribologie |
ensam.conference.date | 2013-05 |
ensam.country | France |
ensam.title.proceeding | JIFT 2013 |
ensam.page | 87-88 |
ensam.city | Lyon |
ensam.peerReviewing | Oui |
ensam.invitedCommunication | Oui |
ensam.proceeding | Oui |
hal.identifier | hal-01327241 |
hal.version | 1 |
hal.submission.permitted | updateMetadata |
hal.status | accept |