Nano-and Micro-Mechanical Properties of Ultrafine-Grained Materials Processed by Severe Plastic Deformation Techniquesopen access
- Authors
- Kawasaki, Megumi; Ahn, Byungmin; Kumar, Praveen; Jang, Jae-il; Langdon, Terence G.
- Issue Date
- Jan-2017
- Publisher
- WILEY-V C H VERLAG GMBH
- Citation
- ADVANCED ENGINEERING MATERIALS, v.19, no.1
- Indexed
- SCIE
SCOPUS
- Journal Title
- ADVANCED ENGINEERING MATERIALS
- Volume
- 19
- Number
- 1
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/21247
- DOI
- 10.1002/adem.201600578
- ISSN
- 1438-1656
- Abstract
- The processing of bulk metals through the application of severe plastic deformation (SPD) provides the potential for achieving exceptional grain refinement leading to ultrafine-grained (UFG) materials. These materials generally exhibit high strength but very limited ductility at room temperature. The recent development in the nanoindentation technique provides significant feasibility in evaluating the micro-mechanical behavior of UFG materials. Accordingly, this review examines the available experimental results showing the enhancement in strength and ductility through nanoindentation analysis in various materials after different SPD techniques. A comprehensive tabulation is also presented listing the available data for the strain rate sensitivity, m, in a variety of UFG metals processed by SPD.
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