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Evolution of plasticity, strain-rate sensitivity and the underlying deformation mechanism in Zn-22% Al during high-pressure torsion
- Authors
- Choi, In-Chul; Kim, Yong-Jae; Ahn, Byungmin; Kawasaki, Megumi; Langdon, Terence G.; Jang, Jae-il
- Issue Date
- Mar-2014
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- Zn-Al alloy; High-pressure torsion; Strain-rate sensitivity; Deformation mechanism; Nanoindentation
- Citation
- SCRIPTA MATERIALIA, v.75, pp.102 - 105
- Indexed
- SCIE
SCOPUS
- Journal Title
- SCRIPTA MATERIALIA
- Volume
- 75
- Start Page
- 102
- End Page
- 105
- ISSN
- 1359-6462
- Abstract
- This study explores the evolution of plasticity, strain-rate sensitivity and the underlying deformation mechanism of a Zn-22% Al eutectoid alloy during high-pressure torsion processing. The experiments reveal an optimal torsional straining condition for achieving the largest plasticity; beyond this condition the strain-rate sensitivity decreases and activation volume increases. The results are discussed in terms of changes in the microstructure and the underlying deformation mechanism.
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Related Researcher
- Jang, Jae Il
- COLLEGE OF ENGINEERING (SCHOOL OF MATERIALS SCIENCE AND ENGINEERING)