Orientation relationship between TiB precipitate and γ-TiAl phase

C. L. Chen, W. Lu, J. P. Lin, L. L. He, G. L. Chen, H. Q. Ye

    Research output: Contribution to journalArticlepeer-review

    24 Citations (Scopus)

    Abstract

    The orientation relationship (OR) and the interface structure between TiB precipitate and γ-TiAl phase have been investigated using high-resolution electron microscopy. The OR was determined to be [0 over(1, ̄) 0]TiB ∥ [1 over(1, ̄) 0]γ, (1 0 0)TiB ∥ (1 1 over(2, ̄))γ. This OR has been predicted precisely by the method of coincidence of reciprocal lattice points. The basic vector transformation matrix was also calculated. Based on the investigation of the interface structure, the morphology of the TiB precipitate was discussed from the viewpoint of interface energy.

    Original languageEnglish
    Pages (from-to)441-444
    Number of pages4
    JournalScripta Materialia
    Volume56
    Issue number6
    DOIs
    Publication statusPublished - 2007 Mar

    Keywords

    • Interface
    • Orientation relationship
    • TiAl
    • Transmission electron microscopy

    ASJC Scopus subject areas

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

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