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Journal article

Microstructural characterization of nickel subjected to dynamic plastic deformation

From

Shenyang National Laboratory for Materials Science1

Metal Structures in Four Dimensions, Materials Research Division, Risø National Laboratory for Sustainable Energy, Technical University of Denmark2

Materials Research Division, Risø National Laboratory for Sustainable Energy, Technical University of Denmark3

Risø National Laboratory for Sustainable Energy, Technical University of Denmark4

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.

Language: English
Year: 2012
Pages: 335-338
ISSN: 18728456 and 13596462
Types: Journal article
DOI: 10.1016/j.scriptamat.2011.11.022
ORCIDs: Mishin, Oleg and Zhang, Yubin

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