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Improvement in the Hydrogen-Storage Properties of Mg<sub>2</sub>Ni by Adding LiBH<sub>4</sub>
Young Jun Kwak, Myoung Youp Song, Ki-Tae Lee
Korean J. Met. Mater. 2024;62(4):299-305.   Published online 2024 Mar 29
DOI: https://doi.org/10.3365/KJMM.2024.62.4.299

Abstract
To improve the hydrogen-storage properties of Mg2Ni, LiBH4 was added by milling in hydrogen atmosphere (reactive mechanical milling, RMM). Mg2Ni-10LiBH4 was prepared with a composition of 90 wt% Mg2Ni + 10 wt% LiBH4. The quantity of released hydrogen (Hr) versus temperature T curve for Mg2Ni10LiBH4 was obtained by heating at..... More

                
Residual Stress Analysis of Additive Manufactured A356.2 Aluminum Alloys using X-Ray Diffraction Methods
X-선 회절을 통한 적층제조 A356.2 알루미늄 합금의 잔류응력 분석
[corrected-article]
SangCheol Park, InYeong Kim, Young Il Kim, Dae-Kyeom Kim, Soong Ju Oh, Kee-Ahn Lee, Bin Lee
박상철, 김인영, 김영일, 김대겸, 오승주, 이기안, 이빈
Korean J. Met. Mater. 2023;61(7):534-544.   Published online 2023 Jun 21
DOI: https://doi.org/10.3365/KJMM.2023.61.7.534

Abstract
The physical properties of metal-based structural materials, such as hardness, strength and toughness, are directly or indirectly affected by residual stress inside or on the surface of the given part. Repeated rapid heating and cooling during the additive manufacturing process causes thermal gradients and expansion and contraction in the material,..... More

                   Web of Science 1  Crossref 1
Effects of Electron Irradiation on the Properties of ZnO/Au/ZnO Films Deposited on Poly-Imide Substrates
Jin-Kyu Jang, Yun-Je Park, Yeon-Hak Lee, Jae-Wook Choi, Hyun-Jin Kim, Sung-Bo Heo, Young-Min Kong, Daeil Kim
장진규, 박윤제, 이연학, 최재욱, 김현진, 허성보, 공영민, 김대일
Korean J. Met. Mater. 2022;60(9):668-672.   Published online 2022 Aug 30
DOI: https://doi.org/10.3365/KJMM.2022.60.9.668

Abstract
Transparent and conductive ZnO 50 nm/Au 8 nm/ZnO 50 nm tri-layer films were deposited on poly-imide films by radio frequency (RF) and direct current (DC) magnetron sputtering at room temperature, and then the effect of electron irradiation on the crystallization, electrical resistivity and optical properties of the films was considered..... More

                   Web of Science 2  Crossref 2
Comparison of Phase Evolution and Sintering Properties of Ti-10Mo Alloys Prepared using Bulk Scrap and Blended Elemental (BE) Powder
In-Hyeok Choi, Jung-Min Oh, Daeyoung Kim, Jong-Woong Kim, Hanjung Kwon
Korean J. Met. Mater. 2022;60(3):180-187.   Published online 2022 Feb 8
DOI: https://doi.org/10.3365/KJMM.2022.60.3.180

Abstract
In this study, Ti-10Mo alloy powder and sintered bodies were successfully fabricated using a threestep process of acid/organic solvent cleaning, hydrogenation/dehydrogenation (HDH) of bulk Ti-Mo scrap, and pressureless vacuum sintering of the alloy powder. This process can be used to recycle valuable Ti alloy. And unlike remelting-based recycling processes, in..... More

                   Web of Science 1  Crossref 3
Enhanced Optical and Electrical Properties of Ti Doped In<sub>2</sub>O<sub>3</sub> thin Films Treated by Post-deposition Electron Beam Irradiation
Su-Hyeon Choe, Yun-Je Park, Yu-Sung Kim, Byung-Chul Cha, Sung-Bo Heo, Sungook Yoon, Young-Min Kong, Daeil Kim
Korean J. Met. Mater. 2020;58(11):793-797.   Published online 2020 Oct 15
DOI: https://doi.org/10.3365/KJMM.2020.58.11.793

Abstract
Transparent and conductive Ti doped In2O3 (TIO) films were prepared on slide glass substrate using a radio frequency (RF) magnetron sputter and then subjected to Transparent and conductive Ti doped In2O3 (TIO) films were prepared on a glass slide substrate using radio frequency (RF) magnetron sputter. The film surface was..... More

                   Web of Science 2  Crossref 1
Effects of Rapid Thermal Annealing on the Structural, Optical, and Electrical Properties of ZnO/Ag/SnO<sub>2</sub> Tri-Layer Films
Su-Hyeon Choe, Yu-Sung Kim, Jin-Young Choi, Yun-Je Park, Byung-Chul Cha, Young-Min Kong, Daeil Kim
Korean J. Met. Mater. 2019;57(8):506-509.   Published online 2019 Aug 5
DOI: https://doi.org/10.3365/KJMM.2019.57.8.506

Abstract
ZnO 50 nm/Ag 10 nm/SnO2 50 nm (ZAS) tri-layer films were deposited on a glass substrate by RF and DC magnetron sputtering and then underwent rapid thermal annealing in a low vacuum of 1×10-3 Torr to investigate the effects of post-deposition annealing on the optical and electrical properties of the..... More

                   Web of Science 3  Crossref 3
The Effects of Cooling Rate on Deformation Mechanism at Room Temperature in Mild Steel
연강에서 상온 변형 기구에 미치는 냉각 속도의 영향
SungSoo Kim, Yoon Sang Lee, Young Suk Kim
김성수, 이윤상, 김영석
Korean J. Met. Mater. 2016;54(12):875-884.   Published online 2016 Dec 5
DOI: https://doi.org/10.3365/KJMM.2016.54.12.875

Abstract
The deformation mechanism at room temperature in water quenched (WQ) and furnace cooled (FC) mild steels was investigated in a plane tilted 45° from the tensile direction, using electron back scattered diffraction, XRD, and TEM. The occurrence of (211) twinning was confirmed by pole figures and the slip systems were..... More

    
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