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Microstructures and mechanical properties of the non-equiatomic FeMnNiCoCr high entropy alloy processed by differential speed rolling
- Authors
- Jeong, H. T.; Kim, W. J.
- Issue Date
- 6-Jun-2018
- Publisher
- ELSEVIER SCIENCE SA
- Keywords
- Stress-strain measurement; High entropy alloys; Plasticity method; Grains and interface
- Citation
- MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, v.727, pp.38 - 42
- Journal Title
- MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
- Volume
- 727
- Start Page
- 38
- End Page
- 42
- ISSN
- 0921-5093
- Abstract
- High-ratio differential speed rolling was applied to a non-equiatomic Fe41Mn25Ni24Co8Cr2 high entropy alloy. After subsequent annealing, the processed alloy exhibited a superior combination of high strength and high uniform elongation compared with the one processed by conventional rolling, which was achieved through the development of a bimodal grain size distribution, composed of recrystallized fine grains and unrecrystallized nano (sub)grains.
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Related Researcher
- Kim, Woo Jin
- Graduate School (Department of Materials Science and Engineering)