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9519865
일 자
21.02.27
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252
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김은성
제목 : 손수정 박사과정, 국제학술지 Metals 2021 2월호 Cover Story로 선정!

https://doi.org/10.3390/met11020238

Metals, Volume 11, Issue 2 (February 2021) – 199 articles

Cover Story : A new class of immiscible medium-entropy alloys (IMMEAs) is developed based on the Co–Cu binary system. The immiscible nature of the Co–Cu system promotes the phase separation into Co- and Cu-rich domains, while the strong B2 phase is formed by adding Al. The microstructural heterogeneity with triple phases (dual FCC + B2) significantly contributes to promising mechanical properties of the alloys. The B2 phase enhances the strength of the alloys, whereas the dual FCC phases are associated with the elongation, preventing brittle fracture. Consequently, B2-strengthened Al-Co-Cu-Mn IMMEAs constitute a new alloy design methodology that may lead to a good combination of strength and ductility. 

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