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Low temperature superplasticity of ultrafine grained Mg-9.25Zn-1.66Y alloy with an icosahedral quasicrystalline phase
- Authors
- Kim, W. J.; Yoo, Y. J.
- Issue Date
- 3-Sep-2015
- Publisher
- ELSEVIER SCIENCE SA
- Keywords
- Mechanical characterization; Magnesium alloys; Thermomechanical processing; Grain refinement; Superplasticity
- Citation
- MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, v.643, pp.47 - 50
- Journal Title
- MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
- Volume
- 643
- Start Page
- 47
- End Page
- 50
- ISSN
- 0921-5093
- Abstract
- The ultrafine grained Mg-9.25Zn-1.66Y alloy sheet with I-phase prepared by directly applying high-ratio differential speed rolling to the as-cast microstructure exhibited excellent low-temperature super-plasticity (386-888% at 443-473 K) at a moderately high strain rate of 10(-3) s(-1). A criterion for achieving low temperature superplasticity was proposed. (C) 2015 Elsevier B.V. All rights reserved.
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Related Researcher
- Kim, Woo Jin
- Graduate School (Department of Materials Science and Engineering)