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Deformation-induced phase transformation of Co20Cr26Fe20Mn20Ni14 high-entropy alloy during high-pressure torsion at 77 K SCIE SCOPUS
- Title
- Deformation-induced phase transformation of Co20Cr26Fe20Mn20Ni14 high-entropy alloy during high-pressure torsion at 77 K
- Authors
- JONGUN, MOON; YuanshenQi; ElenaTabachnikova; YuriEstrin; CHOI, WON MI; Soo-HyunJoo; LEE, BYEONG JOO; AlekseyPodolskiy; MikhailTikhonovsky; KIM, HYOUNG SEOP
- Date Issued
- 2017-09
- Publisher
- ELSEVIER SCIENCE BV
- Abstract
- A deformation-induced phase transformation in a face-centered cubic (FCC) Co20Cr26Fe20Mn20Ni14 high-entropy alloy during cryogenic high-pressure torsion (HPT) discovered in this work is reported. Thermodynamic calculations prove that in the Co20Cr26Fe20Mn20Ni14 alloy, a hexagonal close-packed (HCP) phase is stable at low temperatures. Microstructural and compositional analyses suggest that a diffusionless deformation-induced FCC-to-HCP phase transformation occurred during cryogenic HPT. ? 2017 Elsevier B.V.
- ISSN
- 0167-577X
- Article Type
- Article
- Citation
- MATERIALS LETTERS, vol. 202, page. 86 - 88, 2017-09
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- 김형섭KIM, HYOUNG SEOP
- Ferrous & Eco Materials Technology