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dc.contributor.authorLABAIZ, Mohamed
dc.contributor.authorFELLAH, Mamoun
dc.contributor.authorASSALA, Omar
dc.contributor.author
 hal.structure.identifier
IOST, Alain
211915 Mechanics surfaces and materials processing [MSMP]
dc.date.accessioned2015
dc.date.available2015
dc.date.issued2015
dc.date.submitted2015
dc.identifier.urihttp://hdl.handle.net/10985/9734
dc.description.abstractTitanium 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. As compared with Ti-6Al-4V alloy, in a tensile test, these alloy show slightly lower strength and about 40% higher elongation.
dc.language.isoen
dc.publisherCentre pour Ia Communication Scientifique Directe
dc.rightsPost-print
dc.subjectFriction
dc.subjectWear
dc.subjectBiomaterial
dc.subjectTotal hip prosthesis
dc.subjectTi-6Al-7Nb
dc.titleFriction and wear behavior of Ti-6Al-7Nb biomaterial alloy
dc.identifier.doi10.4236/jbnb.2013.44047
dc.typdocCommunication avec acte
dc.localisationCentre de Lille
dc.subject.halSciences de l'ingénieur: Matériaux
dc.subject.halSciences de l'ingénieur: Mécanique: Mécanique des matériaux
ensam.audienceNationale
ensam.conference.title25ème JIFT 2013
ensam.conference.date2013-05
ensam.countryFrance
ensam.title.proceeding25ème JIFT
ensam.page87-88
ensam.cityLyon
hal.identifierhal-01174260
hal.version1
hal.submission.permittedupdateFiles
hal.statusaccept


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