Transmission electron microscopy studies on nanometer-sized ω phase produced in Gum Metal

Takaaki Yano, Yasukazu Murakami, Daisuke Shindo, Yuichiro Hayasaka, Shigeru Kuramoto

    Research output: Contribution to journalArticlepeer-review

    39 Citations (Scopus)

    Abstract

    The morphology, numerical density and average spacing of the ω phase formed in Gum Metal, a Ti-based alloy showing unique mechanical properties, were studied by transmission electron microscopy. Based on dark-field image observations and precise thickness measurements using a thin-foil specimen, the average spacing of the nanometer-sized ω phase was determined to be 6 nm. This spacing appeared to be sufficiently small for trapping dislocations. The results are discussed in conjunction with the dislocation-free deformation mechanism proposed for Gum Metal.

    Original languageEnglish
    Pages (from-to)536-539
    Number of pages4
    JournalScripta Materialia
    Volume63
    Issue number5
    DOIs
    Publication statusPublished - 2010 Sep 1

    Keywords

    • Dislocation
    • Titanium alloy
    • Transmission electron microscopy
    • ω Phase

    ASJC Scopus subject areas

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

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