Texture induced anisotropy in extruded Ti-6Al-4V-xB alloys

    Research output: Contribution to journalArticle

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    Abstract

    The tensile properties of extruded Ti-6Al-4V-xB alloys (wt.%) were evaluated in an orientation perpendicular to the extrusion direction at room-temperature and 455 °C. The extrusion process preferentially oriented the basal plane of α-Ti perpendicular to the extrusion axis. This strong α-phase texture resulted in tensile anisotropy. The tensile strength in the transverse orientation was lower than that in the longitudinal orientation, but it remained greater than that for the as-cast Ti-6Al-4V. The TiB phase was aligned in the extrusion direction and increased B content was found to weaken the α-phase texture, causing a weakening of tensile anisotropy. Debonding was not observed during the tensile tests in the transverse orientation, indicating a strong interface bond exists between the TiB phase and the two-phase (α + β) Ti-6Al-4V matrix.

    Original languageEnglish (US)
    Pages (from-to)333-339
    Number of pages7
    JournalMaterials Characterization
    Volume62
    Issue number3
    DOIs
    StatePublished - Mar 2011

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    Keywords

    • Anisotropy
    • Boron
    • Tensile test
    • Texture
    • Titanium alloys

    ASJC Scopus subject areas

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

    Cite this

    Texture induced anisotropy in extruded Ti-6Al-4V-xB alloys. / Chen, W.; Boehlert, C. J.

    In: Materials Characterization, Vol. 62, No. 3, 03.2011, p. 333-339.

    Research output: Contribution to journalArticle

    Chen, W.; Boehlert, C. J. / Texture induced anisotropy in extruded Ti-6Al-4V-xB alloys.

    In: Materials Characterization, Vol. 62, No. 3, 03.2011, p. 333-339.

    Research output: Contribution to journalArticle

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    abstract = "The tensile properties of extruded Ti-6Al-4V-xB alloys (wt.%) were evaluated in an orientation perpendicular to the extrusion direction at room-temperature and 455 °C. The extrusion process preferentially oriented the basal plane of α-Ti perpendicular to the extrusion axis. This strong α-phase texture resulted in tensile anisotropy. The tensile strength in the transverse orientation was lower than that in the longitudinal orientation, but it remained greater than that for the as-cast Ti-6Al-4V. The TiB phase was aligned in the extrusion direction and increased B content was found to weaken the α-phase texture, causing a weakening of tensile anisotropy. Debonding was not observed during the tensile tests in the transverse orientation, indicating a strong interface bond exists between the TiB phase and the two-phase (α + β) Ti-6Al-4V matrix.",
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