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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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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 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
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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
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(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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