Microstructural characterization of nickel subjected to dynamic plastic deformation

Z.P. Luo, Oleg Mishin, Yubin Zhang, H.W. Zhang, K. Lu

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    Abstract

    Average microstructural parameters and the extent of microstructural heterogeneity in nickel deformed at a high strain rate have been characterized quantitatively and compared to those after compression at a quasi-static strain rate. The microstructure in the high strain rate sample was found to be more refined and less heterogeneous than that in the sample compressed at a low strain rate. The greater refinement in the former sample was achieved due to subdivision by a high frequency of finely spaced low-angle boundaries.
    Original languageEnglish
    JournalScripta Materialia
    Volume66
    Issue number6
    Pages (from-to)335-338
    ISSN1359-6462
    DOIs
    Publication statusPublished - 2012

    Keywords

    • Dynamic plastic deformation
    • Dislocation boundaries
    • Nickel
    • Misorientation
    • Deformation structure

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