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Microstructure and Texture Evolution in Thermomechanically Processed FCC Metals and Alloys: a Review
Aman Gupta, Ranjeet Kumar, Lalit Kaushik, Sourabh Shukla, Vipin Tandon, Shi-Hoon Choi
Korean J. Met. Mater. 2024;62(7):564-592.   Published online 2024 Jun 28
DOI: https://doi.org/10.3365/KJMM.2024.62.7.564

Abstract
The stacking fault energy (SFE) of face-centered cubic (FCC) alloys is a critical parameter that controls microstructural and crystallographic texture evolution during deformation and annealing treatments. This review focuses on several FCC alloys, aluminum (Al), copper (Cu), austenitic stainless steels (ASSs), and high entropy alloys (HEAs), all of which exhibit..... More

                
Investigation on the Structural and Mechanical Properties of Al Foam Manufactured by Spark Plasma Sintering and Compression Molding Methods
방전 플라즈마 소결과 압축 성형 방법으로 제조된 알루미늄 다공체의 구조적, 기계적 특성 연구
Seunghyeok Choi, Sang-Hwa Lee, Jae-Gil Jung, Seok-Jae Lee, Tae-Young Ahn, Yu-Song Choi, Seung Bae Son
최승혁, 이상화, 정재길, 이석재, 안태영, 최유송, 손승배
Korean J. Met. Mater. 2024;62(7):533-541.   Published online 2024 Jun 28
DOI: https://doi.org/10.3365/KJMM.2024.62.7.533
Abstract
Metal foam materials are used for various purposes including electrode materials, catalyst filters, and gas diffusion filters due to their porous structure. Increasing demand for metal foams has generated research to increase porosity as well as produce different pore sizes. The present paper illustrates a comparison of open-cell aluminum foams... More
                
Effect of Ni-P Coating Layer on the Solidification Cracking of Cu-Steel Dissimilar Welds for Li-Ion Battery Pack Manufacturing
리튬이온 배터리용 Cu-Steel 이종 레이저 용접부 응고균열에 미치는 Ni-P 도금의 영향
Jae-Hyeon Park, Myung-Jin Kim, Heeshin Kang, Eun-Joon Chun
박재현, 김명진, 강희신, 천은준
Korean J. Met. Mater. 2024;62(7):503-510.   Published online 2024 Jun 28
DOI: https://doi.org/10.3365/KJMM.2024.62.7.503

Abstract
This study investigated the effect of a Ni-P coating layer on the solidification cracking behavior of Cu–mild steel dissimilar welds during the manufacturing of cylindrical Li-ion battery packs for electric vehicles. Four Cu plates were prepared and characterized: uncoated Cu and three levels (12, 50, and 100 μm) of Ni–P-coated..... More

                
Development of Ternary Layered Double Hydroxide Oxygen Evolution Reaction Electrocatalyst for Anion Exchange Membrane Water Electrolysis
음이온교환막 수전해를 위한 3원계 층상 이중 수산화물 산소 발생 반응 촉매 개발
Shin-Woo Myeong, Song Jin, Chiho Kim, Jooyoung Lee, Yangdo Kim, Sung Mook Choi
명신우, 진송, 김치호, 이주영, 김양도, 최승목
Korean J. Met. Mater. 2024;62(6):472-479.   Published online 2024 May 31
DOI: https://doi.org/10.3365/KJMM.2024.62.6.472

Abstract
To achieve net zero emissions, green hydrogen should be produced via water electrolysis with renewable energy. To develop efficient anion exchange membrane water electrolyzers (AEMWE), the development of efficient and stable non-precious metal electrocatalysts for the oxygen evolution reaction (OER) is essential. In this study, a high-performance ternary NiFeCo-layer double..... More

                
Characterization of Transparent Electrodes with Ag Metal-mesh using MATLAB
MATLAB을 이용한 Ag Metal-mesh 기반의 투명 전극 특성 분석
Seung-Taek Jo, Jin Wook Shin, Walter Commerell, Dae-Hwang Yoo, Hyesun Yoo, Jinyoung Hwang, Hyun-Sik Kim, Sang-il Kim, Jong Wook Roh
조승택, 신진욱, Walter Commerell, 유대황, 류혜선, 황진영, 김현식, 김상일, 노종욱
Korean J. Met. Mater. 2024;62(6):464-471.   Published online 2024 May 31
DOI: https://doi.org/10.3365/KJMM.2024.62.6.464

Abstract
It is well-known that optical transparence and electric resistance have a trade-off relationship in transparent electrodes. For this reason, developing methods to predict this relation have been important in various fields of academic research as well as for industrial applications. Herein, we suggest a simple method which reveals the relationship..... More

                
Effect of Angle of Incident on Taper Angle in Femtosecond Laser Machining for Fabrication of Cross Section Analysis Specimen
단면 분석용 시편 제작을 위한 펨토초 레이저 가공에서 입사각이 테이퍼 각도에 미치는 영향
Jae Gyeong Kim, Chung-Soo Kim, Suk-Hee Park, Jeonghong Ha
김재경, 김충수, 박석희, 하정홍
Korean J. Met. Mater. 2024;62(6):419-428.   Published online 2024 May 31
DOI: https://doi.org/10.3365/KJMM.2024.62.6.419

Abstract
Focused ion beam (FIB) technology is one of the most widely used methods for fabricating crosssectional analysis specimens because of its high precision and characteristics that minimize the occurrence of defects. Demand for large cross-sectional area analysis is increasing to improve product reliability in various industries, but is limited by..... More

                
Sintering Behavior and Thermal Properties of Cu-Graphite Materials by a Spark Plasma Sintering Method
방전플라즈마소결법을 이용한 구리-흑연 재료의 소결거동 및 열적 특성 평가
Min-hyeok Yang, Bum-soon Park, Hyoung-seok Moon, Jae-cheol Park, Hyun-kuk Park
양민혁, 박범순, 문형석, 박재철, 박현국
Korean J. Met. Mater. 2024;62(6):411-418.   Published online 2024 May 31
DOI: https://doi.org/10.3365/KJMM.2024.62.6.411

Abstract
The use of heat dissipation materials in various field such as power semiconductor device, LED and microelectronic system. Therefore, there is a need for heat dissipation materials using copper (Cu) and graphite (Gr). These materials have high thermal conductivity. In particular, graphite has high thermal stability with a low coefficient..... More

                
An Examination of Bronze Vessel Technology in the Unified Silla Period: Case Study on the Bronzes Excavated from Gwanbuk-ri Site in Buyeo
통일신라 청동용기류의 제작기술 고찰: 부여 관북리 백제유적 출토 유물을 중심으로
So Jin Kim, Woo Rin Han, Young Do Kim
김소진, 한우림, 김영도
Korean J. Met. Mater. 2024;62(5):393-401.   Published online 2024 May 5
DOI: https://doi.org/10.3365/KJMM.2024.62.5.393

Abstract
Archaeological excavations in Buyeo had revealed Bronze vessels interred within a hole in the building at the Gwanbuk-ri site. These bronze vessels are dated to the Unified silla period (9-10th centuries). To identify the bronze vessels’ manufacturing technology, metallurgical analyses were carried out using Optical Microscopy, SEM-EDS and EPMA. The..... More

                
Microstructure, Thermal and Mechanical Properties of AlN-MgO Composites Prepared by Spark Plasma Sintering
방전 플라즈마 소결법으로 제조된, AlN-MgO 소결체의 미세구조와 열적, 기계적 특성
Mohan Chen, Myungjin Jung, Jung-Won An, Seung Yong Shin, Yunhwi Park, Sunrae Kim, Su Yong Nam, Woo-Jae Lee, Se-Hun Kwon
모한첸, 정명진, 안정원, 신승용, 박윤휘, 김선래, 남수용, 이우재, 권세훈
Korean J. Met. Mater. 2024;62(5):367-376.   Published online 2024 May 5
DOI: https://doi.org/10.3365/KJMM.2024.62.5.367

Abstract
AlN-MgO composites with different compositions were prepared by spark plasma sintering, and the effects of their composition on their microstructure, thermal properties, and mechanical properties were systemically investigated. MgO compositions in the AlN-MgO composites were controlled from 20 to 80 wt%. The results indicated that a phase transition did not..... More

                
Friction and Wear Behavior of Selective Laser Melted Ti6Al4V-Equine Bone Nanocomposites
선택적 레이저 용융 Ti6Al4V-Equine Bone 나노 복합재료의 마찰 및 마모 특성
Se-Hee Kim, Su-Hyun Bae, Sang-Bae Park, Hoon Seonwoo, Se-Eun Shin
김세희, 배수현, 박상배, 선우훈, 신세은
Korean J. Met. Mater. 2024;62(5):351-359.   Published online 2024 May 5
DOI: https://doi.org/10.3365/KJMM.2024.62.5.351

Abstract
Ti6Al4V is commonly used in implants because of its excellent mechanical properties, corrosion resistance, and biocompatibility. While Hydroxyapatite (HAp) is typically used for strong biological bonding between Ti6Al4V implants and bone tissue, this study takes a different approach by incorporating Equine Bone (EB), which has a chemical structure similar to..... More

                
Notched Tensile Fracture of a Fe-15Mn-0.6C-2Al Twinning Induced Plasticity Steel at Room Temperature
Fe-15Mn-0.6C-2Al 쌍정유기소성강의 상온 노치 인장파괴 거동
Sang Hyup Yoo, Ki-Chae Chung, Hee-Beom Moon, Kyung Hoon Lee, Kyung-Tae Park
유상협, 정기채, 문희범, 이경훈, 박경태
Korean J. Met. Mater. 2024;62(5):325-333.   Published online 2024 May 5
DOI: https://doi.org/10.3365/KJMM.2024.62.5.325

Abstract
The tensile fracture behavior of an Al-bearing TWIP steel was investigated by conducting a series of tensile tests on smooth and notched specimens with different notch geometries, focusing on the effects of evolution of the stress triaxiality and the effective strain during deformation. The flow curve and digital image correlation..... More

                
Effects of Post-annealing Condition on Interfacial Reaction and Bonding Strength of Cu/Sn-3.0Ag-0.5Cu/Al Joint for Heat Dissipation Module Application
방열 모듈 적용을 위한 Cu/Sn-3.0Ag-0.5Cu/Al 접합부의 계면 반응 및 접합강도에 미치는 후속 열처리 영향 분석
Dong Ik Jeong, Gahui Kim, Doheon Kim, Minchul Oh, Geon-Hong Kim, Young-Bae Park
정동익, 김가희, 김도헌, 오민철, 김건홍, 박영배
Korean J. Met. Mater. 2024;62(4):312-322.   Published online 2024 Mar 28
DOI: https://doi.org/10.3365/KJMM.2024.62.4.312

Abstract
The effects of post-annealing times at 150°C on the bonding strength and interfacial characteristics of Cu/Sn-3.0Ag-0.5Cu (SAC305)/Al were systematically evaluated. In the as-bonded sample, Cu6Sn5 intermetallic compound (IMC) was formed at the upper Cu/SAC305 interface, while Ag3Al IMC was formed at the lower SAC305/Al interface, and a black layer of..... More

                   Web of Science 1  Crossref 1
Tuning Dielectric Constant of P3HT by Ultrasound-Induced Aggregation
Byoung-Nam Park
Korean J. Met. Mater. 2024;62(4):292-298.   Published online 2024 Mar 29
DOI: https://doi.org/10.3365/KJMM.2024.62.4.292

Abstract
Poly(3-hexylthiophene) (P3HT), a semiconducting polymer, is integral to the development of organic electronic devices. Its optoelectronic properties are significantly influenced by the nature of its intermolecular interactions, predominantly classified as J-type and H-type couplings. This study investigates the effect of sonication on the dielectric properties of P3HT, focusing on the..... More

                
A Study on the Treatment and Recovery of Sodium Sulfate (Na<sub>2</sub>SO<sub>4</sub>) Generated When Recovering Valuable Metals (Ni, Co, Mn, Li) from Waste Lithium Ion Batteries(LIBs)
폐리튬배터리(LIBs)에서 유가금속(Ni, Co, Mn, Li) 회수 시 발생하는 황산나트륨의 처리 및 회수 연구
Yeonchul Cho, Minhyuk Seo, Youngjae Lee, Jaewoo Ahn
조연철, 서민혁, 이영재, 안재우
Korean J. Met. Mater. 2024;62(4):275-283.   Published online 2024 Mar 29
DOI: https://doi.org/10.3365/KJMM.2024.62.4.275

Abstract
Concerns have arisen regarding the high concentrations of sodium sulfate in wastewater resulting from the waste Li-ion battery wet recycling process. In addressing this issue, Bipolar electrodialysis was employed to desalinate high-concentration sodium sulfate and recover it as sulfuric acid and sodium hydroxide. The investigation encompassed various experimental variables, such..... More

                
Simulation Study of Interfacial Switching Memristor Structure and Neural Network Performance
계면 스위칭 멤리스터 소자 구조와 신경망 회로 성능에 대한 시뮬레이션 연구
Yun Hyeok Song, Ji Min Lim, Sagar Khot, Dongmyung Jung, Yongwoo Kwon
송윤혁, 임지민, Sagar Khot, 정동명, 권용우
Korean J. Met. Mater. 2024;62(3):212-221.   Published online 2024 Feb 28
DOI: https://doi.org/10.3365/KJMM.2024.62.3.212

Abstract
In this study, the architecture of an interfacial switching memristor, which has a metal-insulatormetal structure of Pt/SrTiO3/Nb-SrTiO3 was investigated. The performance of a neural network that uses memristors as its synapse components was also examined with system-level simulations. A finite element solver, COMSOL Multiphysics, was used to simulate synaptic device..... More

                
Development of Electrolyte with Enhanced Corrosion Resistance for Sn Electroplating on Multi-Layer Ceramic Capacitors
고신뢰성 적층 세라믹 커패시터를 위한 침식방지형 주석도금액 개발
Bonil Ku, Junseong Kim, Yujin Son, Kyeongseok Min, Sung-Hyeon Baeck
구본일, 김준성, 손유진, 민경석, 백성현
Korean J. Met. Mater. 2024;62(3):180-189.   Published online 2024 Mar 5
DOI: https://doi.org/10.3365/KJMM.2024.62.3.180

Abstract
Capacitors not only store and release electricity but selectively conduct alternating current. Among the various types of capacitors, multi-layer ceramic capacitors (MLCCs) have been widely used in automotive, smartphone, and wearable devices because of their compact size and high capacitance capabilities. In this study, we have developed an electrolyte for..... More

                
Sintering Behavior and Mechanical Properties of Dispersed-Reinforced Fe-TaC Composites Produced by High Energy Ball Milling
고에너지 볼 밀링을 이용한 분산강화된 Fe-TaC 합금분말의 소결거동 및 기계적 특성평가
Bum-Soon Park, Jeong-Han Lee, Jae-Cheol Park, Sung-Kil Hong, Hyun-Kuk Park
박범순, 이정한, 박재철, 홍성길, 박현국
Korean J. Met. Mater. 2024;62(3):163-170.   Published online 2024 Feb 28
DOI: https://doi.org/10.3365/KJMM.2024.62.3.163

Abstract
In this study, a high-melting point element, tantalum carbide (TaC) was added to improve the mechanical properties and the oxidation/corrosion resistance of Fe. The Fe-TaC composites were synthesized by high energy ball milling for the mechanical alloying of the non-equilibrium phase (Fe-Ta) and the homogeneous dispersion of TaC. Fe-TaC composite..... More

                   Web of Science 1
Effect of Solution Temperature and Quench Delay on the Microstructure and Mechanical Properties of an Extruded Al-Mg-Si-Cu-Mn alloy
Al-Mg-Si-Cu-Mn 합금 압출재의 미세조직 및 기계적 성질에 미치는 용체화 온도와 퀜칭 지연의 영향
Jisu Kim, Jeki Jung, Hyun-Seok Cheon, Byung-joo Kim, Cha-Yong Lim, Su-Hyeon Kim, Yoon Suk Choi
김지수, 정제기, 천현석, 김병주, 임차용, 김수현, 최윤석
Korean J. Met. Mater. 2024;62(2):132-141.   Published online 2024 Jan 30
DOI: https://doi.org/10.3365/KJMM.2024.62.2.132

Abstract
The effect of solution temperature and quench delay on the microstructure and mechanical properties of an extruded Al-Mg-Si-Cu-Mn alloy was investigated by employing differential scanning calorimetry, transmission electron microscopy, hardness test, and tensile test. The extruded specimens were held at 500 and 540 oC, respectively, for 80 min for solutionizing..... More

                
Effect of High-Power Laser Cleaning for Surface Contaminants Removal on SS304L
SS304L 표면 오염물질 제거를 위한 고출력 레이저 클리닝 영향 분석
Soojin Choi, Hyun Jong Yoo, Jiyeon Choi, Jiwhan Noh, Heeshin Kang, Sanghoon Ahn, Junsu Park, Philgong Choi, Dohyun Kim, Yeonggyu Kim, Byeongju Kim, Ikgeun Jeon, Jeng O Kim, Hyonkee Sohn, Kyunghan Kim, Changkyoo Park
최수진, 유현종, 최지연, 노지환, 강희신, 안상훈, 박준수, 최필공, 김도현, 김영규, 김병주, 전익근, 김정오, 손현기, 김경한, 박창규
Korean J. Met. Mater. 2024;62(2):73-80.   Published online 2024 Jan 30
DOI: https://doi.org/10.3365/KJMM.2024.62.2.73

Abstract
In this study, artificially formed corrosion and paint layers on 304L stainless steel (SS304L) specimen were removed using a kilowatt level high-power Nd:YAG laser. A laser power of 1140 W and a pulse duration of 89 ns were used for the corrosion removal, and a laser power of 850 W..... More

                
Thermoelectric Properties of N-type Mg<sub>3</sub>La<sub>0.005</sub>Mn<sub>x</sub>SbBi Materials Doped with La and Mn
La과 Mn으로 이중 도핑된 n형 Mg3La0.005MnxSbBi의 열전특성
Sung-Jae Joo, JiHui Son, JeongIn Jang, Bok-Ki Min, Bong-Seo Kim
주성재, 손지희, 장정인, 민복기, 김봉서
Korean J. Met. Mater. 2024;62(1):45-50.   Published online 2023 Dec 29
DOI: https://doi.org/10.3365/KJMM.2024.62.1.45

Abstract
Mg3Sb2-based n-type materials are consisted of earth-abundant elements and possess comparable thermoelectric properties with n-type Bi2Te3 at low temperatures, which make them promising candidates for cooling and power generation applications in terms of cost and performance. Substitution of Sb atom with chalcogen elements (Te, Se S) is a conventional method..... More

                
Diagnosis of Mechanoluminescent Crack Based on Double Deep Learning in Al 7075
이중 인공지능을 이용한 Al 7075 합금에서의 압광 균열 진단 연구
Tae O Park, Youn Woo Shin, Seung Hwan Lee, Pius Jwa, Yong Nam Kwon, Suman Timilsina, Seong Min Jang, Chul Woo Jo, Ji Sik Kim
박태오, 신윤우, 이승환, 좌비오, 권용남, Suman Timilsina, 장성민, 조철우, 김지식
Korean J. Met. Mater. 2023;61(12):958-964.   Published online 2023 Nov 30
DOI: https://doi.org/10.3365/KJMM.2023.61.12.958

Abstract
The phenomenon of mechanoluminescence (ML) refers to the emission of light induced by mechanical stimulation applied to mechano-optical materials for example SrAl2O3:Eu,Dy (SAO). Numerous technologies on the basis of ML have been presented to visualize the stress or strain in various structures for the applications including structural health monitoring. As..... More

                
Study on Ag-Ti Thin Film Structure with Compositional Gradient Fabricated by Sputtering Process
Sputtering공정 적용 Ag-Ti 조성경사형 박막의 구조분석
Yong Min Jeon, Si Hong Ryu, Min Jun Kim, Seong Eui Lee
전용민, 유시홍, 김민준, 이성의
Korean J. Met. Mater. 2023;61(12):909-914.   Published online 2023 Nov 30
DOI: https://doi.org/10.3365/KJMM.2023.61.12.909

Abstract
In this study, a composition-gradient thin film was applied for the formation of intermediate layer of Ti seed layer for an stable electrode stack Ag metal layer. Various composition of Ag-Ti hetero metal layer were simultaneously deposited by using the sputtering process with Ti and Ag target, respectively. An intermediate..... More

                
Predicting the Hardness of Al-Sc-X Alloys with Machine Learning Models, Explainable Artificial Intelligence Analysis and Inverse Design
설명 가능한 인공지능으로 해석한 Al-Sc-X 합금의 경도 예측 기계학습 모델과 역설계
Jiwon Park, Su-Hyeon Kim, Jisu Kim, Byung-joo Kim, Hyun-seok Cheon, Chang-Seok Oh
박지원, 김수현, 김지수, 김병주, 천현석, 오창석
Korean J. Met. Mater. 2023;61(11):874-882.   Published online 2023 Oct 29
DOI: https://doi.org/10.3365/KJMM.2023.61.11.874

Abstract
In this study, the Vickers hardness of precipitation-strengthened Al-Sc-X (X = Zr, Si, and Fe) alloys were predicted using machine learning models, depending on the alloys’ compositions, solid-solution treatment and aging conditions. The data used for machine learning were collected from the literature. Among the models, tree-based ensemble models such..... More

                   Web of Science 1  Crossref 1
Comparative Study on the Corrosion Behavior of Materials in Heat Recovery Steam Generators for Combined Cycle Power Plant, Based on Sulfuric Acid Concentrations: Carbon Steels vs. Duplex Stainless Steel (UNS S32205)
복합화력발전 내 배열회수 보일러용 소재(탄소강 계열 및 듀플렉스 스테인리스강(UNS S32205))의 황산농도에 따른 부식거동 비교 연구
Yu Sung Jang, Jin Sung Park, Seung Gab Hong, Sung Jin Kim
장유성, 박진성, 홍승갑, 김성진
Korean J. Met. Mater. 2023;61(11):830-841.   Published online 2023 Oct 29
DOI: https://doi.org/10.3365/KJMM.2023.61.11.830

Abstract
This study examined the effects of sulfuric acid concentrations on the corrosion behaviors of three types of commercial steels, conventional carbon steel (SA192), sulfuric acid dew resistant steel (S-TEN), and duplex stainless steel (S32205), considered to be potential materials for the heat recovery steam generator (HRSG) in combined cycle power..... More

                   Crossref 1
Effect of Ion Flux Variation in DC Magnetron Sputtering on the Deposition of Cubic Boron Nitride Film
DC 마그네트론 스퍼터링에서 입방정 질화붕소 박막의 증착 거동에 미치는 이온 플럭스 변화의 영향
Young-Hwan Choi, Joo-Youl Huh, Young-Joon Baik
최영환, 허주열, 백영준
Korean J. Met. Mater. 2023;61(11):824-829.   Published online 2023 Oct 29
DOI: https://doi.org/10.3365/KJMM.2023.61.11.824

Abstract
Cubic boron nitride (cBN) thin films were deposited using DC magnetron sputtering, and the effect of the ion flux on the deposition behavior and residual stress of the cBN thin films was investigated. To increase the ion flux, the magnetic force ratio of the central/peripheral permanent magnets inserted in the..... More

                
A Study on the Microstructure, Tensile and Fatigue Properties of Martensitic Stainless Steel Plate
Hyojoo Lee, Sam Yaw Anaman, Nam-Su Rho, Si-Hyun Sung, Hyun-Min Sung, Sang-Yeob Lee, Hoon-Hwe Cho
Korean J. Met. Mater. 2023;61(11):815-823.   Published online 2023 Oct 29
DOI: https://doi.org/10.3365/KJMM.2023.61.11.815

Abstract
The microstructure, tensile and fatigue properties of a martensitic stainless steel (MSS) plate with a thickness of 0.152 mm are investigated in this study. The microstructural properties were initially studied using electron backscatter diffraction microscopy. High dislocation densities were observed in the microstructure, along with the rolling texture revealed by..... More

                
Influence of Elevated Temperature on the Mechanical and Microstructural Properties of Glass Fiber-Reinforced Polymers
Se Woong Lee, Seulgi Han, Okmin Park, Sang-il Kim, Sungmo Choi
Korean J. Met. Mater. 2023;61(10):800-806.   Published online 2023 Sep 25
DOI: https://doi.org/10.3365/KJMM.2023.61.10.800

Abstract
Glass fiber-reinforced polymers (GFRPs) have attracted significant attention as structural materials because of their high fatigue resistance, corrosion resistance, strength, and stiffness. This study examined the effect of elevated temperatures (150, 250, 350, and 450oC) on the microstructural and mechanical properties of GFRP plates. The number of bubbles increased as..... More

                   Web of Science 2  Crossref 2
The Effect of Ni Interlayer Formation Plating Bath on the Suppression of Oxidation of Ag-Coated Cu Flakes
Ag 코팅 Cu 플레이크의 산화 억제에 미치는 Ni interlayer 형성 도금욕의 영향
Ji Hwan Kim, Jong-Hyun Lee
김지환, 이종현
Korean J. Met. Mater. 2023;61(10):748-759.   Published online 2023 Sep 25
DOI: https://doi.org/10.3365/KJMM.2023.61.10.748

Abstract
To suppress Ag dewetting from around 200 oC in Ag-coated Cu (Cu@Ag) flakes, Ag and Ni-coated Cu (Cu@Ni@Ag) flakes were fabricated by successive Ni and Ag electroless plating. The Ni bath type was an important consideration to induce differences in the Ag dewetting and resultant Cu oxidation. An acid Ni..... More

                   Web of Science 1  Crossref 1
Development of Numerical Analysis Model for New Magnesium Electrolysis Process Using COMSOL
COMSOL을 활용한 신 마그네슘 전해 공정 수치해석 모델 개발
MaeHyun Cho, Hyeong-Jun Jeoung, Jungshin Kang, Kunok Chang
조매현, 정형준, 강정신, 장근옥
Korean J. Met. Mater. 2023;61(8):625-631.   Published online 2023 Jul 24
DOI: https://doi.org/10.3365/KJMM.2023.61.8.625

Abstract
Magnesium (Mg) has good physical properties including light weight, excellent specific strength and high stiffness, and Mg is used in many fields. But current production methods of Mg have disadvantages, such as the generation of sulfur oxide and chlorine gas. In this situation, The Korea Institute of Geoscience and Mineral..... More

                   Web of Science 2  Crossref 3
Electrochemical Characteristics of Elastic, Non-Polar Polyurethane-Based Polymer Gel Electrolyte for Separator-Less Lithium-Ion Batteries
Alloyssius E.G. Gorospe, Dongwoo Kang, Dongwook Lee
Korean J. Met. Mater. 2023;61(8):616-624.   Published online 2023 Jul 20
DOI: https://doi.org/10.3365/KJMM.2023.61.8.616

Abstract
Lithium-ion batteries (LIBs) have undergone countless enhancements in the past decade, mainly improvements in the basic components: electrodes, electrolyte, and separator. The separator, which acts as a physical barrier between the two electrodes, does not directly participate in the charge and energy storage. However, it is involved in the safety, form..... More

                   Web of Science 1  Crossref 1
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