Dislocations in icosahedral quasicrystalline phase embedded in hot-deformed Mg alloys

Hua Huang, Yuan Tian, Guangyin Yuan, Chunlin Chen, Zhongchang Wang, Wenjiang Ding, Akihisa Inoue

    Research output: Contribution to journalArticlepeer-review

    6 Citations (Scopus)

    Abstract

    We perform a systematic structural investigation of the I-phase particles embedded in Mg matrix in I-phase-reinforced Mg-3.5Zn-0.6Gd alloy and offer evidence to the presence of dislocations in the I-phase particles. Such dislocations are found to be formed on the (0001) plane of Mg matrix, which is attributed to their slipping into the 5-fold and 2-fold planes of I-phase particles. We also discuss how deformation conditions of wrought Mg alloys affect the deformation behaviors of the I-phase and how deformation behavior of I-phase affect the mechanical properties of wrought Mg alloys. The bonding between the I-phase and Mg matrix was also confirmed to be strong.

    Original languageEnglish
    Pages (from-to)483-487
    Number of pages5
    JournalJournal of Alloys and Compounds
    Volume658
    DOIs
    Publication statusPublished - 2016 Feb 15

    Keywords

    • Deformation
    • Dislocation
    • Magnesium alloys
    • Quasicrystal

    ASJC Scopus subject areas

    • Mechanics of Materials
    • Mechanical Engineering
    • Metals and Alloys
    • Materials Chemistry

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