A microstructure and sonic fatigue investigation of Ti-TiB functionally graded materials

J. P. Quast, C. J. Boehlert, R. Gardner, E. Tuegel, T. Wyen

    Research output: Contribution to journalArticle

    • 9 Citations

    Abstract

    The microstructure and high-cycle sonic fatigue behavior of 3- and 25-mm-thick titanium-titanium boride (Ti-TiB) functionally graded plates were evaluated. The TiB content had a significant effect on the microstructure. A needle-like TiB phase existed at low TiB phase volume percentages (<33.8%), while higher volume percentages resulted in TiB-phase clustering. For larger layer thicknesses, the transition or interface region between the layers was more evident. Fracture surface images of the fatigue specimens indicated that high TiB content regions exhibited brittle fracture characteristics while the Ti-rich layers exhibited ductile failure characteristics. A Ti-85%TiB alloy was also investigated and this material exhibited TiB clustering and sporadic fatigue lives as well as brittle fracture characteristics.

    Original languageEnglish (US)
    Pages (from-to)1-9
    Number of pages9
    JournalMaterials Science and Engineering A
    Volume497
    Issue number1-2
    DOIs
    StatePublished - Dec 15 2008

    Profile

    Titanium
    Fatigue of materials
    microstructure
    Endometrial Hyperplasia
    Microstructure
    acoustic fatigue
    titanium borides
    titanium
    Borides
    Brittle fracture
    fatigue life
    needles
    cycles
    Functionally graded materials
    Needles
    Edema Disease of Swine
    Nitrobenzenes
    Cuprizone
    Traffic Accidents
    Cimetidine

    Keywords

    • Boron
    • Fatigue
    • Functionally graded material
    • Microstructure
    • Titanium

    ASJC Scopus subject areas

    • Materials Science(all)
    • Condensed Matter Physics
    • Mechanical Engineering
    • Mechanics of Materials

    Cite this

    A microstructure and sonic fatigue investigation of Ti-TiB functionally graded materials. / Quast, J. P.; Boehlert, C. J.; Gardner, R.; Tuegel, E.; Wyen, T.

    In: Materials Science and Engineering A, Vol. 497, No. 1-2, 15.12.2008, p. 1-9.

    Research output: Contribution to journalArticle

    Quast, J. P.; Boehlert, C. J.; Gardner, R.; Tuegel, E.; Wyen, T. / A microstructure and sonic fatigue investigation of Ti-TiB functionally graded materials.

    In: Materials Science and Engineering A, Vol. 497, No. 1-2, 15.12.2008, p. 1-9.

    Research output: Contribution to journalArticle

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    abstract = "The microstructure and high-cycle sonic fatigue behavior of 3- and 25-mm-thick titanium-titanium boride (Ti-TiB) functionally graded plates were evaluated. The TiB content had a significant effect on the microstructure. A needle-like TiB phase existed at low TiB phase volume percentages (<33.8%), while higher volume percentages resulted in TiB-phase clustering. For larger layer thicknesses, the transition or interface region between the layers was more evident. Fracture surface images of the fatigue specimens indicated that high TiB content regions exhibited brittle fracture characteristics while the Ti-rich layers exhibited ductile failure characteristics. A Ti-85%TiB alloy was also investigated and this material exhibited TiB clustering and sporadic fatigue lives as well as brittle fracture characteristics.",
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    AU - Wyen,T.

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