Fatigue and wear evaluation of Ti-15Al-33Nb(at.%) and Ti-21Al-29Nb(at.%) alloys for biomedical applications

Carl J. Boehlert, Christopher J. Cowen, Jeffrey P. Quast

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    In this work the fatigue and wear behavior of Ti-15Al-33Nb(at.%) and Ti-21Al-29Nb(at.%) was evaluated and compared to that for other titanium-based biomedical implant alloys, in particular Ti-6Al-4V(wt.%). Fatigue stress versus life curves were obtained for tests performed at room temperature in air at a stress ratio of R=0.1 for maximum stresses between 75%-90% of the ultimate tensile strength. The results indicated that the fatigue strength and lives of the as-processed alloys are comparable to that for Ti-6Al-4V(wt.%). Heat treatment significantly increased the orthorhombic-phase volume fractions in the alloys and resulted in reduced fatigue strength. The wear resistance for the alloys was significantly greater than that for Ti-6Al-4V(wt.%). Based on the current results, it is proposed that titanium-aluminum-niobium alloys will be of considerable future interest for biomedical applications.

    Original languageEnglish (US)
    Title of host publicationProceedings of the International Conference on Manufacturing Science and Engineering
    Volume2006
    StatePublished - 2006
    EventInternational Conference on Manufacturing Science and Engineering, MSEC 2006 - Ypsilanti, MI, United States

    Other

    OtherInternational Conference on Manufacturing Science and Engineering, MSEC 2006
    CountryUnited States
    CityYpsilanti, MI
    Period10/8/0610/11/06

    Profile

    Fatigue of materials
    Titanium
    Niobium alloys
    Wear resistance
    Aluminum alloys
    Volume fraction
    Tensile strength
    Heat treatment
    Air
    Temperature

    ASJC Scopus subject areas

    • Engineering(all)

    Cite this

    Boehlert, C. J., Cowen, C. J., & Quast, J. P. (2006). Fatigue and wear evaluation of Ti-15Al-33Nb(at.%) and Ti-21Al-29Nb(at.%) alloys for biomedical applications. In Proceedings of the International Conference on Manufacturing Science and Engineering (Vol. 2006)

    Fatigue and wear evaluation of Ti-15Al-33Nb(at.%) and Ti-21Al-29Nb(at.%) alloys for biomedical applications. / Boehlert, Carl J.; Cowen, Christopher J.; Quast, Jeffrey P.

    Proceedings of the International Conference on Manufacturing Science and Engineering. Vol. 2006 2006.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Boehlert, CJ, Cowen, CJ & Quast, JP 2006, Fatigue and wear evaluation of Ti-15Al-33Nb(at.%) and Ti-21Al-29Nb(at.%) alloys for biomedical applications. in Proceedings of the International Conference on Manufacturing Science and Engineering. vol. 2006, International Conference on Manufacturing Science and Engineering, MSEC 2006, Ypsilanti, MI, United States, 8-11 October.
    Boehlert CJ, Cowen CJ, Quast JP. Fatigue and wear evaluation of Ti-15Al-33Nb(at.%) and Ti-21Al-29Nb(at.%) alloys for biomedical applications. In Proceedings of the International Conference on Manufacturing Science and Engineering. Vol. 2006. 2006.

    Boehlert, Carl J.; Cowen, Christopher J.; Quast, Jeffrey P. / Fatigue and wear evaluation of Ti-15Al-33Nb(at.%) and Ti-21Al-29Nb(at.%) alloys for biomedical applications.

    Proceedings of the International Conference on Manufacturing Science and Engineering. Vol. 2006 2006.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

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    abstract = "In this work the fatigue and wear behavior of Ti-15Al-33Nb(at.%) and Ti-21Al-29Nb(at.%) was evaluated and compared to that for other titanium-based biomedical implant alloys, in particular Ti-6Al-4V(wt.%). Fatigue stress versus life curves were obtained for tests performed at room temperature in air at a stress ratio of R=0.1 for maximum stresses between 75%-90% of the ultimate tensile strength. The results indicated that the fatigue strength and lives of the as-processed alloys are comparable to that for Ti-6Al-4V(wt.%). Heat treatment significantly increased the orthorhombic-phase volume fractions in the alloys and resulted in reduced fatigue strength. The wear resistance for the alloys was significantly greater than that for Ti-6Al-4V(wt.%). Based on the current results, it is proposed that titanium-aluminum-niobium alloys will be of considerable future interest for biomedical applications.",
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    AU - Quast,Jeffrey P.

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    AB - In this work the fatigue and wear behavior of Ti-15Al-33Nb(at.%) and Ti-21Al-29Nb(at.%) was evaluated and compared to that for other titanium-based biomedical implant alloys, in particular Ti-6Al-4V(wt.%). Fatigue stress versus life curves were obtained for tests performed at room temperature in air at a stress ratio of R=0.1 for maximum stresses between 75%-90% of the ultimate tensile strength. The results indicated that the fatigue strength and lives of the as-processed alloys are comparable to that for Ti-6Al-4V(wt.%). Heat treatment significantly increased the orthorhombic-phase volume fractions in the alloys and resulted in reduced fatigue strength. The wear resistance for the alloys was significantly greater than that for Ti-6Al-4V(wt.%). Based on the current results, it is proposed that titanium-aluminum-niobium alloys will be of considerable future interest for biomedical applications.

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