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Korean J. Met. Mater.
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저자 색인
Author Index
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 Kim이상호, 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 12
Study of Phase Formation Behavior and Electronic Transport Properties in the FeSe
2
-FeTe
2
System
FeSe
2
-FeTe
2
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 Kim박옥민, 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 FeSe
2
-FeTe
2
system and the evolution of their thermoelectric transport properties. A series of Fe(Se
1-x
Te
x
)
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 FeSe
0.4
Te
1.6
(
x
= 0.2)......
More
Cited By 8
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 Kang안형진, 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 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 Lee송시정, 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.....
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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 Kim설명진, 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
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 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 Kim조영상, 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 6
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
Cited By 6
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 Kim김상일, 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 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 Jeong김재영, 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 5
Effects of Ge Doping on the Charge Transport and Thermoelectric Properties of Permingeatites Cu
3
Sb
1−y
Ge
y
Se
4
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 Cu
3
Sb
1−y
Ge
y
Se
4
(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 5
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 Kim장남수, 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.....
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Cited By 5
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 Choi김민성, 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 5
Simultaneous Improvement in the Corrosion Resistance and Visible Transparency of ZnO/Cu/ZnO Transparent Heaters with Reactively Sputtered Al
2
O
3
Layers
반응성 스퍼터링법으로 제조된 Al
2
O
3
막을 이용한 ZnO/Cu/ZnO 투명 히터의 내식성과 투과도 개선 연구
Geumhyuck Bang, Dooho Choi방금혁, 최두호
Korean J. Met. Mater.
2021;59(3):155-161. Published online 2021 Feb 19
DOI:
https://doi.org/10.3365/KJMM.2021.59.3.155
Abstract
In this study, we report a methodology that simultaneously improved the corrosion resistance and visible transparency of ZnO/Cu/ZnO transparent heaters with the addition of reactively sputtered Al
2
O
3
layers. To assess corrosion resistance, ZnO and Al
2
O
3
layers with thicknesses in the range of 0-20 nm were deposited onto 20 nm-thick Cu.....
More
Cited By 4
Structure and Ion Conductivity Study of Argyrodite (Li
5.5
PS
4.5
Cl
1.5
) according to Cooling Method
냉각 방법에 따른 Argyrodite (Li
5.5
PS
4.5
Cl
1.5
)의 구조 및 이온전도성 연구
Sangwon Park, Jin-Woong Lee박상원, 이진웅
Korean J. Met. Mater.
2021;59(4):247-255. Published online 2021 Mar 24
DOI:
https://doi.org/10.3365/KJMM.2021.59.4.247
Abstract
All solid-state batteries (ASSBs) are now anticipated to be an ultimate solution to the persistent safety issues of conventional lithium-ion batteries (LIBs). Contemporary society’s expanding power demands and growing energy consumption require energy storage with greater reliability, safety and capacity, which cannot be easily achieved with current state-of-the-art liquid-electrolyte-based LIBs......
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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 Choi최운섭
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
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.....
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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 Kim이현지, 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.....
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Cited By 4
Evaluation and Control of Liquation Cracking Susceptibility for CM247LC Superalloy Weld Heat-Affected Zone via Visualization-Based Varestraint Test
가시화 기반 Varestraint 시험을 이용한 CM247LC 초내열합금 용접 열영향부의 액화균열 민감도 평가 및 제어
Ye-Seon Jeong, Kyeong-Min Kim, Hyungsoo Lee, Seong-Moon Seo, Eun-Joon Chun정예선, 김경민, 이형수, 서성문, 천은준
Korean J. Met. Mater.
2021;59(7):445-458. Published online 2021 Jun 11
DOI:
https://doi.org/10.3365/KJMM.2021.59.7.445
Abstract
The metallurgical aspects of weld cracking in Ni-based superalloys remain relatively unexplored in existing research. The present study performed comprehensive metallurgical and manufactural investigations into the weldability of an Ni-based superalloy, CM247LC, from the viewpoint of the liquation cracking behavior and its susceptibility. Metallurgical solutions to suppress the liquation-cracking susceptibility.....
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Cited By 4
Probability-Dependent Precipitation Strengthening Effect of Anisotropic Precipitate in Al-Mg-Si Alloy Produced by T6 Heat Treatment
T6 열처리에 의한 Al-Mg-Si 합금의 비등방성 석출물 형상을 고려한 확률 의존적 석출강화효과
Seunggyu Choi, Gwanghun Kim, Jin Pyeong Kim, Se Hoon Kim, Seung Bae Son, Seok-Jae Lee최승규, 김광훈, 김진평, 김세훈, 손승배, 이석재
Korean J. Met. Mater.
2021;59(8):515-523. Published online 2021 Jul 5
DOI:
https://doi.org/10.3365/KJMM.2021.59.8.515
Abstract
This study proposed a constitutive equation to predict the change in yield strength according to the behavior of β″ metastable precipitates, which have a profound effect on strength among materials precipitated during the T6 heat treatment of Al-Mg-Si alloy. The β″ precipitate is a metastable phase before it becomes a.....
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Cited By 4
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