Devitrification-induced an Ultrahigh Strength Al-based Composite Maintaining Ductility

D. Kan, Xiaopeng Li, B. Yang, H. Yang, J. Wang

    Research output: Contribution to journalArticlepeer-review

    7 Citations (Scopus)


    © 2015. A new Al-based composite consisting of submicron-sized α-Al matrix embedded with precipitated intermetallic phases was developed by controlling the devitrification process of an Al-Ni-Y-Co-La amorphous alloy. Such a homogeneous composite structure presented an ultrahigh strength of about 1.34GPa and a large compressive plastic strain up to 22%. The unique mechanical properties during compression are mainly attributed to the dislocation slip deformation of ductile α-Al matrix and the shear-induced refinement of strengthening intermetallic phases.
    Original languageEnglish
    Pages (from-to)489-492
    JournalJournal of Materials Science and Technology
    Issue number5
    Publication statusPublished - 2015


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