Full metadata record
DC Field | Value | Language |
---|---|---|
dc.contributor.author | 박주현 | - |
dc.date.accessioned | 2021-09-09T05:16:12Z | - |
dc.date.available | 2021-09-09T05:16:12Z | - |
dc.date.issued | 2020-12 | - |
dc.identifier.citation | JOURNAL OF ALLOYS AND COMPOUNDS, v. 844, Article no. 155757, 10pp | en_US |
dc.identifier.issn | 0925-8388 | - |
dc.identifier.uri | https://www.sciencedirect.com/science/article/pii/S0925838820321216 | - |
dc.identifier.uri | https://repository.hanyang.ac.kr/handle/20.500.11754/165071 | - |
dc.description.abstract | Additively manufactured (AM) metallic materials contain typically numerous grown-in defects which limit durability and mechanical properties of workpieces. However, the existence and impact of non-equilibrium vacancies and dislocations and especially the state of grain boundaries in AM materials remained completely unexplored. Here we are presenting an ultimate proof of a 'non-equilibrium state' of general high-angle grain boundaries in an as-produced AM high-entropy CoCrFeMnNi alloy. A low-temperature annealing treatment relaxes the 'non-equilibrium' grain boundary state without invoking grain growth. The 'non-equilibrium' state of grain boundaries in AM materials resembles that in severely plastically deformed ones and needs to be taken into account for technological applications. We further report a strong microstructure-induced anisotropy of grain boundary kinetic properties in the AM high-entropy alloy. (c) 2020 Elsevier B.V. All rights reserved. | en_US |
dc.description.sponsorship | J.-S. Lee and N. Choi also thank Alexander-von-HumboldtFoundation for providingfinancial support for their staying at theInstitute of Materials Physics, University of Münster, Germany.Partialfinancial support of the German Science Foundation (DFG)via research grants DI 1419/13-2 and WI 1899/32-1 is gratefullyacknowledged. Also, this work wasfinancially supported by theKorea Institute of Energy Technology Evaluation and Planning(KETEP) [Grant No.20174030201830] and the Korea Institute ofMaterials Science (KIMS) via Fundamental Research Program(PNK7040). | en_US |
dc.language.iso | en_US | en_US |
dc.publisher | ELSEVIER SCIENCE SA | en_US |
dc.subject | High-entropy alloys | en_US |
dc.subject | Additive manufacturing | en_US |
dc.subject | Grain boundary diffusion | en_US |
dc.subject | Non-equilibrium defects | en_US |
dc.subject | Anisotropy | en_US |
dc.title | Analyzing the 'non-equilibrium state' of grain boundaries in additively manufactured high-entropy CoCrFeMnNi alloy using tracer diffusion measurements | en_US |
dc.type | Article | en_US |
dc.relation.volume | 844 | - |
dc.identifier.doi | 10.1016/j.jallcom.2020.155757 | - |
dc.relation.page | 1-10 | - |
dc.relation.journal | JOURNAL OF ALLOYS AND COMPOUNDS | - |
dc.contributor.googleauthor | Choi, Nuri | - |
dc.contributor.googleauthor | Kulitckii, Vladislav | - |
dc.contributor.googleauthor | Kottke, Josua | - |
dc.contributor.googleauthor | Tas, Bengü | - |
dc.contributor.googleauthor | Choe, Jungho | - |
dc.contributor.googleauthor | Yu, Ji Hun | - |
dc.contributor.googleauthor | Yang, Sangsun | - |
dc.contributor.googleauthor | Park, Joo Hyun | - |
dc.contributor.googleauthor | Lee, Jai Sung | - |
dc.contributor.googleauthor | Wilde, Gerhard | - |
dc.relation.code | 2020047954 | - |
dc.sector.campus | E | - |
dc.sector.daehak | COLLEGE OF ENGINEERING SCIENCES[E] | - |
dc.sector.department | DEPARTMENT OF MATERIALS SCIENCE AND CHEMICAL ENGINEERING | - |
dc.identifier.pid | basicity | - |
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