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    High strength, ductility, and electrical conductivity of in-situ consolidated nanocrystalline Cu-1%Nb

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    Date
    2018
    Author
    Youssef K.M.
    Abaza M.A.
    Scattergood R.O.
    Koch C.C.
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    Abstract
    Nanocrystalline metals—with grain sizes less than 100 nm— have strengths exceeding those of coarse-grained and even alloyed metals [1], [2]. A bulk nanocrystalline Cu-1%Nb alloy was synthesized by an in-situ consolidation mechanical alloying technique. The mechanical behavior of this alloy was investigated by hardness and tensile tests. The nanostructure was investigated by X-ray diffraction and transmission electron microscopy and the fracture surface by scanning electron microscopy. Electrical resistivity was measured using a four-point probe technique. The dilute additives of Nb and the processing conditions induced artifact-free bulk nanocrystalline materials that possess extraordinary high strength, good ductility, and high electrical conductivity.
    DOI/handle
    http://dx.doi.org/10.1016/j.msea.2017.11.060
    http://hdl.handle.net/10576/12769
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    • Materials Science & Technology [‎337‎ items ]

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