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  • Most-cited are based on citations from 2021 ~ 2023.

  • Hydrogen-Based Reduction Ironmaking Process and Conversion Technology
    수소 기반 환원 제철 공정과 전환 기술
    Sang-Ho Yi, Woon-Jae Lee, Young-Seok Lee, Wan-Ho Kim
    이상호, 이운재, 이영석, 김완호
    Korean J. Met. Mater. 2021;59(1):41-53.   Published online 2021 Jan 5
    DOI: https://doi.org/10.3365/KJMM.2021.59.1.41

    Abstract
    This study analyzed the current state of technical development of the BF-based process, to determine ways to reduce carbon consumption. The technical features of the hydrogen reduction ironmaking process were also examined as a decarbonized ironmaking method, and related issues that should be considered when converting to hydrogen reduction are..... More

                               Cited By 7
    Leaching of a Mixture of Palladium and Zinc Metal Using Hydrochloric and Sulfuric Acid Solutions
    염산과 황산용액에서 팔라듐과 아연 금속혼합물의 침출
    Si Jeong Song, Viet Nhan Hoa Nguyen, Man Seung Lee
    송시정, Viet Nhan Hoa Nguyen, 이만승
    Korean J. Met. Mater. 2021;59(7):469-475.   Published online 2021 Jun 16
    DOI: https://doi.org/10.3365/KJMM.2021.59.7.469

    Abstract
    Spent electroplating solutions contain small amounts of Pd(II). Cementation of Pd(II) with zinc metal powder is practiced to concentrate the Pd. Dissolution of the cemented Pd metal is necessary to recover pure Pd metal or compounds. In this work, the leaching behavior of Pd metal in inorganic acid solutions (hydrochloric..... More

                               Cited By 7
    Recent Research Trends for Improving the Stability of Organo/Inorgano Halide Perovskites
    유무기 하이브리드 할라이드 페로브스카이트의 안정성 향상을 위한 연구 동향 리뷰
    Myeong Jin Seol, Jeong Woo Han, Seung Hwan Hwang, Soo Young Kim
    설명진, 한정우, 황승환, 김수영
    Korean J. Met. Mater. 2022;60(1):1-13.   Published online 2021 Dec 10
    DOI: https://doi.org/10.3365/KJMM.2022.60.1.1

    Abstract
    Because of their superior optical, and electrical properties, lead halide perovskites have emerged as potential materials for light-emitting-diodes. However, some obstacles have yet to be overcome for practical applications including low exciton binding energy, the difficulty of fabricating uniform perovskite films,, and their instability to heat, light, and moisture. In..... More

                               Cited By 7
    Study of Phase Formation Behavior and Electronic Transport Properties in the FeSe2 -FeTe2 System
    FeSe2-FeTe2 계 다결정 소재의 상 형성 거동 및 전기 전도 특성에 관한 연구
    Okmin Park, TaeWan Kim, Se Woong Lee, Hyun-Sik Kim, Weon Ho Shin, Jamil Ur Rahman, Sang-il Kim
    박옥민, 김태완, 이세웅, 김현식, 신원호, , 김상일
    Korean J. Met. Mater. 2022;60(4):315-320.   Published online 2022 Mar 28
    DOI: https://doi.org/10.3365/KJMM.2022.60.4.315

    Abstract
    In this study, we investigated the phase formation behavior of the FeSe2-FeTe2 system and the evolution of their thermoelectric transport properties. A series of Fe(Se1-xTex)2(x = 0, 0.2, 0.6, 0.8 and 1) compounds were synthesized by conventional solid-state reaction. Single phase orthorhombic structures were formed, except for FeSe0.4Te1.6(x = 0.2)...... More

                               Cited By 6
    Optimization of Oil Adsorption Capacity by Aerogel Powder Synthesized Using Emulsion Droplets as Micro-reactors in Ambient Conditions from Sodium Silicate as Precursor
    Young-Sang Cho, Sohyeon Sung, Seung Hee Woo, Young Seok Kim
    조영상, 성소현, 우승희, 김영석
    Korean J. Met. Mater. 2021;59(2):99-112.   Published online 2021 Feb 5
    DOI: https://doi.org/10.3365/KJMM.2021.59.2.99
    Abstract
    In this study, silica aerogel particles were synthesized from emulsion droplets as micro-reactors at room temperature under ambient pressure. An economical precursor, sodium silicate, was used as the starting material for silica, and an emulsification technique was applied to form droplets in continuous phase. By controlling the composition of the... More
                               Cited By 5
    Tellurium-Incorporated Nickel-Cobalt Layered Double Hydroxide and Its Oxygen Evolution Reaction
    Jung-Il Lee, Hui Ra Chae, Jeong Ho Ryu
    Korean J. Met. Mater. 2021;59(7):491-498.   Published online 2021 Jun 16
    DOI: https://doi.org/10.3365/KJMM.2021.59.7.491

    Abstract
    Transition-metal-based layered double hydroxides (LDHs) have attracted substantial attention as highly efficient oxygen evolution reaction (OER) catalysts because they are earth-abundant, low-cost, and environmentally friendly materials with favorable adsorption/desorption energies for intermittent reactants. However, the application of these LDHs as high-performance electrocatalysts is often hindered by their relatively sluggish electronic..... More

                            Supplementary         Cited By 5
    Study of Self-Patterned Zinc Tin Oxide Thin-Film Transistors Prepared from Photocurable Precursor Solution with Photoacid Generator
    Photoacid generator가 포함된 광경화성 전구체 기반 자가패턴 가능한 용액 공정형 Zinc Tin 산화물 트랜지스터 연구
    Jae Young Kim, Geonoh Choe, Tae Kyu An, Yong Jin Jeong
    김재영, 최건오, 안태규, 정용진
    Korean J. Met. Mater. 2021;59(3):162-167.   Published online 2021 Feb 19
    DOI: https://doi.org/10.3365/KJMM.2021.59.3.162

    Abstract
    Solution-processed zinc tin oxide (ZTO) thin-film transistors (TFTs) have great potential uses in next-generation wearable and flexible electronic products. Zinc and tin precursor materials are naturally abundant and have low fabrication costs. To integrate a single ZTO TFT into logic circuits including inverters, NAND, and NOR gates will require the..... More

                               Cited By 4
    Evaluation of the Mechanical Properties of ZnO Nanorods Treated with Oxygen Plasma using Atomic Force Microscopy
    Donghyuck Park, Yijun Yang, Kwanlae Kim
    Korean J. Met. Mater. 2021;59(3):209-216.   Published online 2021 Feb 19
    DOI: https://doi.org/10.3365/KJMM.2021.59.3.209

    Abstract
    Zinc oxide (ZnO) simultaneously exhibits semiconducting and piezoelectric properties. ZnO in the form of nanorods has been studied intensively for application in self-powering devices. The power generation in piezoelectric nanogenerators based on ZnO nanorods can be improved via several approaches, including an oxygen plasma treatment. When ZnO nanorods are exposed..... More

                               Cited By 4
    Preparation of Li-Doped Indium-Zinc Oxide Thin-Film Transistor at Relatively Low Temperature Using Inkjet Printing Technology
    잉크젯 인쇄 기술을 이용하여 상대적으로 낮은 온도에서 리튬이 도핑 된 인듐-아연-산화물 트랜지스터의 제작
    Woon-Seop Choi
    최운섭
    Korean J. Met. Mater. 2021;59(5):314-320.   Published online 2021 Apr 6
    DOI: https://doi.org/10.3365/KJMM.2021.59.5.314

    Abstract
    Inkjet printing is a very attractive technology for printed electronics and a potential alternative to current high cost and multi-chemical lithography processes, for display and other applications in the electronics field. Inkjet technology can be employed to fabricate organic light emitting diodes (OLED), quantum dots displays, and thin-film transistors (TFTs)...... More

                               Cited By 4
    Effects of Ge Doping on the Charge Transport and Thermoelectric Properties of Permingeatites Cu3Sb1−yGeySe4
    Ji-Hee Pi, Go-Eun Lee,, Il-Ho Kim
    Korean J. Met. Mater. 2021;59(6):422-429.   Published online 2021 May 26
    DOI: https://doi.org/10.3365/KJMM.2021.59.6.422

    Abstract
    Permingeatites Cu3Sb1−yGeySe4 (0 ≤ y ≤ 0.14) were synthesized by mechanical alloying and hot pressing. The charge-transport parameters (Hall coefficient, carrier concentration, mobility, and Lorenz number) and thermoelectric properties (electrical conductivity, Seebeck coefficient, power factor, thermal conductivity, and figure of merit) were examined with respect to the Ge doping level...... More

                               Cited By 4
    Mid-Layer Visualization in Convolutional Neural Network for Microstructural Images of Cast Irons
    주철 미세조직 분석을 위한 합성곱 신경망에서의 중간층 시각화
    Hyun-Ji Lee, In-Kyu Hwang, Sang-Jun Jeong, In-Sung Cho, Hee-Soo Kim
    이현지, 황인규, 정상준, 조인성, 김희수
    Korean J. Met. Mater. 2021;59(6):430-438.   Published online 2021 May 26
    DOI: https://doi.org/10.3365/KJMM.2021.59.6.430

    Abstract
    We attempted to classify the microstructural images of spheroidal graphite cast iron and grey cast iron using a convolutional neural network (CNN) model. The CNN comprised four combinations of convolution and pooling layers followed by two fully-connected layers. Numerous microscopic images of each cast iron were prepared to train and..... More

                               Cited By 4
    Fabrication of Metal Nanowire Based Stretchable Mesh Electrode for Wearable Heater Application
    착용형 히터 응용을 위한 금속 나노와이어 기반 신축성 메쉬 전극 제작
    Nam-Su Jang, Kang-Hyun Kim, Jong-Man Kim
    장남수, 김강현, 김종만
    Korean J. Met. Mater. 2021;59(8):575-581.   Published online 2021 Jul 5
    DOI: https://doi.org/10.3365/KJMM.2021.59.8.575

    Abstract
    In recent years, human-convenient smart wearable devices have attracted considerable attention as emerging applications in smart healthcare systems, soft robotics, and human-machine interfaces. In particular, resistive film heaters with mechanical flexibility and excellent mechanical and electrothermal performance have recently been widely explored for wearable thermotherapy applications. Here, we present a..... More

                               Cited By 4
    A Study on the Effect of Multi-Axial Forging Type on the Deformation Heterogeneity of AA1100 Using Finite Element Analysis
    유한요소해석을 이용한 AA1100의 변형 불균일성에 미치는 다축 단조 유형의 영향 연구
    Min-Seong Kim, Jeong Gyun Kim, Tae Hyun Yoo, You Yeon Jo, Seong Lee, Hyo-Tae Jeong, Shi-Hoon Choi
    김민성, 김정균, 유태현, 조유연, 이성, 정효태, 최시훈
    Korean J. Met. Mater. 2021;59(9):624-639.   Published online 2021 Aug 4
    DOI: https://doi.org/10.3365/KJMM.2021.59.9.624

    Abstract
    The effect of 3 forging routes (Route A - 1~12 passes by plane forging (PF) and reverse-plane forging (R-PF), Route B – 1~6 passes by PF and R-PF, 7~12 passes by diagonal forging (DF) and reversediagonal forging (R-DF), Route C – 1~12 passes by DF and R-DF) on maximum load..... More

                               Cited By 4
    Improvement in the Hydrogenation and Dehydrogenation Features of Mg by Milling in Hydrogen with Vanadium Chloride
    수소 분위기에서 Mg와 VCl3의 밀링에 의한 Mg의 수소 흡수 방출 특성의 향상
    Myoung Youp Song, Seong Ho Lee, Young Jun Kwak
    송명엽, 이성호, 곽영준
    Korean J. Met. Mater. 2021;59(10):709-717.   Published online 2021 Sep 6
    DOI: https://doi.org/10.3365/KJMM.2021.59.10.709

    Abstract
    VCl3 (vanadium (III) chloride) was selected as an additive to Mg to increase the hydrogenation and dehydrogenation rates and the hydrogen storage capacity of Mg. Instead of MgH2, Mg was used as a starting material since Mg is cheaper than MgH2. Samples with a composition of 95 wt% Mg +..... More

                               Cited By 4
    Effect of Sn addition on the Microstructure and Friction–wear Properties of a Nodular Graphite Cast Iron
    Won-Sang Shin, Seungwoo Baek, Yoon-Jun Kim
    Korean J. Met. Mater. 2022;60(6):471-477.   Published online 2022 May 24
    DOI: https://doi.org/10.3365/KJMM.2022.60.6.471

    Abstract
    Nodular graphite cast iron is used in the railway and automobile industries because of its excellent workability, abrasion resistance, mechanical strength, and hardenability. To use nodular graphite cast iron in harsh environments, it is essential to examine their friction–wear properties in conjunction with the surface hardness of the materials. Therefore,..... More

                               Cited By 4
    Cold Cracks in Fillet Weldments of 600 MPa Tensile Strength Low Carbon Steel and Microstructural Effects on Hydrogen Embrittlement Sensitivity and Hydrogen Diffusion
    인장강도 600 MPa급 저탄소강 필렛 용접부의 저온균열과 미세조직에 따른 수소취성 민감성 및 수소확산 거동
    Hyoungjin An, Junghoon Lee, Hanji Park, Jaeseok Yoo, Sungwook Chung, Jongmin Park, Namhyun Kang
    안형진, 이정훈, 박한지, 유재석, 정성욱, 박종민, 강남현
    Korean J. Met. Mater. 2021;59(1):21-32.   Published online 2021 Jan 5
    DOI: https://doi.org/10.3365/KJMM.2021.59.1.21

    Abstract
    Hydrogen flowing into a weld causes hydrogen embrittlement (HE), so to prevent cold cracks in the weld, HE must be suppressed. In this study, single-pass fillet weldments were fabricated using two different welding fillers with the same strength level as the American Welding Society standard. The specimen F-HNi, which had..... More

                               Cited By 3
    Impact of Fermi Surface Shape Engineering on Calculated Electronic Transport Properties of Bi-Sb-Te
    페르미 면 형상제어에 따른 Bi-Sb-Te 이론 전자수송 특성 변화
    Sang-il Kim, Jong-Chan Lim, Heesun Yang, Hyun-Sik Kim
    김상일, 임종찬, 양희선, 김현식
    Korean J. Met. Mater. 2021;59(1):54-60.   Published online 2021 Jan 5
    DOI: https://doi.org/10.3365/KJMM.2021.59.1.54

    Abstract
    Using thermoelectric refrigerators can address climate change because they do not utilize harmful greenhouse gases as refrigerants. To compete with current vapor compression cycle refrigerators, the thermoelectric performance of materials needs to be improved. However, improving thermoelectric performance is challenging because of the trade-off relationship between the Seebeck coefficient and..... More

                               Cited By 3
    A New Fracture Analysis Technique for Charpy Impact Test Using Image Processing
    Tae Chang Park, Beom Suk Kim, Ji Hee Son, Yeong Koo Yeo
    Korean J. Met. Mater. 2021;59(1):61-66.   Published online 2021 Jan 5
    DOI: https://doi.org/10.3365/KJMM.2021.59.1.61

    Abstract
    The Charpy impact test is used to identify the transition between ductility and brittleness. The percentages of ductile and brittle fractures in steel can be evaluated based on each fracture area, which is presently determined by an analyzer with the naked eye. This method may lead to subjective judgement, and..... More

                               Cited By 3
    A Study on Lithium Hydroxide Recovery Using Bipolar Membrane Electrodialysis
    바이폴라 전기투석을 이용한 수산화리튬 회수에 관한 기초 연구
    Yeonchul Cho, Kihun Kim, Jaewoo Ahn, Jaeheon Lee
    조연철, 김기훈, 안재우, 이재헌
    Korean J. Met. Mater. 2021;59(4):223-232.   Published online 2021 Mar 24
    DOI: https://doi.org/10.3365/KJMM.2021.59.4.223

    Abstract
    Bipolar electrodialysis was used in a process of desalting a lithium sulfate solution, converting it to lithium hydroxide and sulfuric acid, and concentrating and recovering them. The effects of the experimental variables such as applied voltage, the concentration of electrode solution, the concentration of raw material solution, volume ratio, and..... More

                               Cited By 3
    Correlation between the Microstructure and Mechanical Properties of W-Bearing Ti-6Al-4V Alloys
    Godwin Kwame Ahiale, In-Seok Kye, Young Sam Kwon, Yong-Jun Oh
    Korean J. Met. Mater. 2021;59(6):357-364.   Published online 2021 May 26
    DOI: https://doi.org/10.3365/KJMM.2021.59.6.357

    Abstract
    W-containing Ti-6Al-4V alloys (W=0, 1, and 5 wt%) were fabricated by the powder injection molding process, and the corresponding effects of tungsten content on the mechanical properties and microstructure of the alloys were investigated. The alloy powders were sintered at 1200 °C and then hot-isostatically-pressed at 900 °C. The fabricated..... More

                               Cited By 3
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