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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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진공 브레이징을 통해 제조한 TiAl/HI-TEMP 820/SCM440H 재료의 공정 온도에 따른 미세조직 및 기계적 특성 평가
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유상규, 김지원, 이초롱, 오명훈, 최인철
Korean J. Met. Mater.
2024;62(3):229-238. Published online 2024 Feb 28
DOI:
https://doi.org/10.3365/KJMM.2024.62.3.229
Abstract
The TiAl alloy is attracting attention as a lightweight and heat-resistant material, because of its high specific strength, excellent high-temperature formability, and fatigue strength. However, its applications are limited by its high unit price and low room temperature ductility. To overcome this issue, dissimilarly bonded materials have been extensively employed......
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Berkovich 압자와 Cube-corner 및 Conical shape 압자를 이용해서 얻은 Cu(In,Ga)Se
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광흡수층 박막의 탄성계수 및 경도의 불일치에 대한 고찰
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강여진, 박원정, 장마오, 유다영, 이동윤
Korean J. Met. Mater.
2022;60(12):884-891. Published online 2022 Nov 25
DOI:
https://doi.org/10.3365/KJMM.2022.60.12.884
Abstract
In this study, we tried to understand the difference in the mechanical properties (elastic modulus, E & hardness, H) values of CIGS compound semiconductors measured using the Berkovich indenter and the sharper cube corner and conical indenter. Adopted continuous stiffness measurement technique to characterize it along with the indentation depth......
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Crossref 1
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스핀 코팅법에 의한 Sb
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광흡수층 박막의 기계적 거동
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장마오, 유다영, 전영선, 이동윤
Korean J. Met. Mater.
2021;59(1):1-7. Published online 2021 Jan 5
DOI:
https://doi.org/10.3365/KJMM.2021.59.1.1
Abstract
To measure the mechanical properties of Sb
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, a two-component compound semiconductor used in the light absorption layer of a solar cell, Sb
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thin films were formed on FTO glass using the spin coating method. The spin-coated Sb
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thin films were heat-treated at 200
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Web of Science 3
Crossref 3
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나노인덴테이션 방법으로 크롬 박막의 고유경도를 측정하는 방법과 영향 인자
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강영준, 백주환, 박현, 조영래
Korean J. Met. Mater.
2020;58(3):207-215. Published online 2020 Mar 5
DOI:
https://doi.org/10.3365/KJMM.2020.58.3.207
Abstract
Materials with very small dimensions exhibit different physical and mechanical properties compared to their bulk counterparts. This becomes significantly important for the thin films that are widely used as components in micro-electronics and functional materials. In this study, a chromium (Cr) thin film was deposited on a silicon (Si) wafer.....
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Web of Science 4
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Korean J. Met. Mater.
2019;57(5):289-294. Published online 2019 May 5
DOI:
https://doi.org/10.3365/KJMM.2019.57.5.289
Abstract
In this study, we characterize the viscoelastic behavior of polymers using nanoindentation. We applied the indentation representative stress approach and elastic solution to the Maxwell model and determined that there was a linear relationship between the inverses of the initial unloading stiffness and indentation unloading rate. From nanoindentation tests with.....
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Web of Science 5
Crossref 4
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산질화처리가 저탄소강의 미세조직과 나노경도 및 부식특성에 미치는 영향
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조영욱, 원종호, 우정호, 유상호, 조영래
Korean J. Met. Mater.
2018;56(4):289-295. Published online 2018 Apr 5
DOI:
https://doi.org/10.3365/KJMM.2018.56.4.289
Abstract
Oxi-nitrocarburizing treatment was performed to improve the anti-corrosion and anti-wear properties of low carbon steels. The oxi-nitrocarburizing was carried out in 2 steps: a gas nitrocarburizing step at 560 ℃ and an oxidation step at 550 ℃ for 30 min with steamed water. The mechanical and chemical properties of the.....
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Cu-Sn계 솔더와 기판 사이의 Ni층의 두께와 열처리 시간에 따른 금속간화합물의 기계적 특성
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김이슬, 권지혜, 유다영, 박성규, 이다정, 이동윤
Korean J. Met. Mater.
2017;55(3):165-172. Published online 2017 Mar 3
DOI:
https://doi.org/10.3365/KJMM.2017.55.3.165
Abstract
Intermetallic compounds (IMCs) developed on the interface between a solder alloy and its bonding pads are an important factor in the failure of electronic circuits. In this study, the mechanical behaviors of the IMCs formed in the Cu-Ni-Sn ternary alloy system are investigated. Presumably, Ni can act as a diffusion.....
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Crossref 2
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