Interface stability, growth and morphology of quasicrystals

An Pang Tsai, Ho Sou Chen, Akihisa Inoue, Tsuyoshi Masumoto

    Research output: Contribution to journalArticlepeer-review

    2 Citations (Scopus)


    A planar growth with growth directions parallel to a five-fold axis in icosahedral (i) and a ten-fold symmetrical axis in decagonal (D) phases is observed in a melt quenched Al72Pd25Cr3 alloy as well as in stable i-AlCuFe and D-AlNiCo alloys. An interpretation is given on the basis of a stability criterion that the plane perpendicular to the five-fold axis is that of stable growth in an i-phase and the solid-liquid interface instability resulting from the fluctuation of solute concentration occurs during solidification. It leads to the formation of cellular growth along five-fold axis and finally dendritic growth along three-fold morphology.

    Original languageEnglish
    Pages (from-to)513-518
    Number of pages6
    JournalJournal of Non-Crystalline Solids
    Issue numberC
    Publication statusPublished - 1993 Feb 2

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Ceramics and Composites
    • Condensed Matter Physics
    • Materials Chemistry


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