Cu rich nanostructured alloys with enhanced mechanical properties

K. G. Georgarakis, K. Ota, A. LeMoulec, F. Chariot, A. R. Yavari, G. Vaughan

    Research output: Contribution to journalConference articlepeer-review


    New copper rich alloys with elemental additions of transition metals and group IIIA and IVA elements have been prepared by casting and rapid solidification. The prepared alloys show very interesting microstructures; a thick surface layer with nanocrystalline eutectic like structure, while in the bulk the microstructure is coarser lamellar or dendritic. Their microhardness was found to be exceptionally high for Cu rich alloys, reaching values of 450-550HV. Furthermore, the microhardness of the surface layer is higher than that in the bulk, indicating that these alloys can be considered for a variety of applications including tribological and structural.

    Original languageEnglish
    Pages (from-to)405-410
    Number of pages6
    JournalMaterials Research Society Symposium Proceedings
    Publication statusPublished - 2008 Dec 1
    EventNanophase and Nanocomposite Materials V - Boston, MA, United States
    Duration: 2007 Nov 262007 Nov 30

    ASJC Scopus subject areas

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


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