Processing of nanostructured nickel by severe plastic deformation consolidation of ball-milled powder
Journal Article
·
· Scripta Materialia
- Univ. of California, Davis, CA (United States). Dept. of Chemical Engineering and Materials Science
Severe plastic deformation consolidation process of the ball-milled powder has been able to produce fully dense nanocrystalline nickel with a grain size of {approximately}20 nm. The processed samples are characterized by very high elastic strains, very likely caused by a presence of high density of extrinsic grain boundary dislocations. The combined effect of the smallest nanoscale grain size in nickel, as obtained in this study, along with the effect of high elastic strains, resulted in the high level of hardness and also the lower experimentally measured density of these severe plastic deformation consolidation samples.
- OSTI ID:
- 233899
- Journal Information:
- Scripta Materialia, Journal Name: Scripta Materialia Journal Issue: 9 Vol. 34; ISSN 1359-6462; ISSN XZ503X
- Country of Publication:
- United States
- Language:
- English
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