Publication: Research - peer-review › Journal article – Annual report year: 2011
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.
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- Dynamic plastic deformation, Dislocation boundaries, Nickel, Misorientation, Deformation structure