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Korean Journal of Metals and Materials
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Korean J. Met. Mater.
2025;63(3):203-209. Published online 2025 Mar 5
DOI:
https://doi.org/10.3365/KJMM.2025.63.3.203
Abstract
Organic ferroelectric field-effect transistors (Fe-FETs) are highly attractive for memory device applications because of their ability to read data without causing damage (nondestructive readout) and their excellent retention capabilities. These attributes make organic Fe-FETs an appealing alternative to their inorganic counterparts, which, while demonstrating superior memory performance for practical applications,.....
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Nb-Ni-Ti 합금의 치유 과정을 이용한 마르텐사이트 변태 및 기계적 특성의 향상
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김참일, 박은수, 김도향
Korean J. Met. Mater.
2025;63(3):177-185. Published online 2025 Mar 5
DOI:
https://doi.org/10.3365/KJMM.2025.63.3.177
Abstract
The aim of the present study is to enhance the stress recovery capability of the β Nb phase in NbNi-Ti alloy by using the shape memory effect (SME) of the NiTi phase. The concept of healing treatment to recover the mechanical property has been newly introduced for Nb-Ni-Ti alloy. Nb-29.2at%Ni-40.8at%Ti.....
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생체용 Ti-(14-22)Zr-6Nb-2Mo-2Sn(at.%) 합금의 형상기억특성
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박준혁, 김재일
Korean J. Met. Mater.
2024;62(12):989-995. Published online 2024 Nov 29
DOI:
https://doi.org/10.3365/KJMM.2024.62.12.989
Abstract
Since the recently reported biotoxicity of Ni, the use of Ti-Ni base shape memory alloys as biomaterial has been reduced. For this reason, Ti–Nb base superelastic alloys consisting of only non-toxic elements are being actively studied for potential use as biomaterials. In this study, the effects of Zr content and.....
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Web of Science 1
Crossref 1
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직접 에너지 적층법에 의해 용접된 Fe-Mn-Si계 형상기억합금의 미세조직, 회복응력 및 기계적 특성
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김태윤, 김도형, 이욱진, 김왕렬
Korean J. Met. Mater.
2024;62(12):935-943. Published online 2024 Nov 29
DOI:
https://doi.org/10.3365/KJMM.2024.62.12.935
Abstract
Direct Energy Deposition (DED) is one of the main methods of additive manufacturing in which a feedstock material in the form of powder or wire is delivered to a substrate while an energy source, such as laser beam or electron beam, is simultaneously applied to melt the feedstock. In addition.....
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Ti-Ni-Fe 합금의 R상 변태온도에 미치는 Fe 조성과 열처리 온도의 영향
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김원석, 금나영, 김진용, 김재일
Korean J. Met. Mater.
2024;62(4):251-256. Published online 2024 Mar 29
DOI:
https://doi.org/10.3365/KJMM.2024.62.4.251
Abstract
R-phase transformations in TiNi shape memory alloys (Nitinol) have various applications because of their small thermal hysteresis and low fatigue resistance. Adding a third element such as Fe or Al is one of the useful ways to induce R-phase transformation. Controlling the R-phase transformation temperature is crucial for industrial and...
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Web of Science 2
Crossref 3
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Fe-17Mn-5Si-5Cr 형상기억합금의 형상복원거동 및 기계적 특성에 미치는 Ni, Ti 및 C의 영향
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김도형, 김용환, 옥정중, 이정훈, 박찬희, 이욱진, 박용호
Korean J. Met. Mater.
2020;58(10):660-671. Published online 2020 Oct 5
DOI:
https://doi.org/10.3365/KJMM.2020.58.10.660
Abstract
Fe-Mn-Si based shape memory alloy is a new functional material that can be used to apply prestress to civil and structural components such as concrete structures. In this study, the effects of alloying elements Ni, C and Ti on the mechanical and shape memory properties of the alloy were investigated.....
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Web of Science 8
Crossref 8
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Ti-44.5Ni-5Cu 및 Ti-45.2Ni-5Cu(at%) 합금의 형상기억특성에 미치는 어닐링온도의 영향
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김재일, 황광선
Korean J. Met. Mater.
2019;57(9):562-568. Published online 2019 Aug 21
DOI:
https://doi.org/10.3365/KJMM.2019.57.9.562
Abstract
The effect of annealing temperature on shape memory properties in the Ti-44.5Ni-5Cu and Ti-45.2Ni-5Cu(at%) alloys was investigated by differential scanning calorimeter (DSC) and tensile testing. The martensitic transformation temperature of Ti-44.5Ni-5Cu(at%) increased from 308K to 324K with increasing annealing temperature and did not change with further increasing annealing temperature. This.....
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Web of Science 2
Crossref 2
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김한상, 김성진
Korean J. Met. Mater.
2019;57(2):84-90. Published online 2019 Feb 5
DOI:
https://doi.org/10.3365/KJMM.2019.57.2.84
Abstract
Memristors have been extensively investigated as the fourth fundamental circuit element. Titanium oxide is a common material used to fabricate memristors. In this paper, we investigated the influence of the thickness of the oxide active layer on the Al/TiO2-x/TiO2/heavily doped electrode memristor architecture. An insulating TiO2 thin-film was deposited using.....
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Web of Science 6
Crossref 6
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Ti-Ni 합금 조성 및 결정구조가 양극산화에 의해 형성하는 산화막 성장거동에 미치는 영향
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김민수, 김연주, 김용환
Korean J. Met. Mater.
2018;56(9):652-657. Published online 2018 Sep 5
DOI:
https://doi.org/10.3365/KJMM.2018.56.9.652
Abstract
In this work, the growth of nanotubular oxide layers on Ti
1-x
Ni
x
(x=0.49, 0.498, 0.511, 0.522, 0.525) shape memory alloys was investigated. All of the Ti-Ni alloys were fabricated by arc melting process under high vacuum atmosphere. The crystal structure and the growth of the nanotubular oxide layers were investigated by.....
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Crossref 2
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