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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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Correlations Between Alkali and Crystallinity in lyocell-Based ACF Probed with X-Ray Diffraction
Young Min Jin, Joon Hyuk Lee, Sang Sun Choi
Korean J. Met. Mater.
2020;58(7):495-500. Published online 2020 Jul 5
DOI:
https://doi.org/10.3365/KJMM.2020.58.7.495
Abstract
This study examined the effect of alkalis on lyocell-based activated carbon fibres (ACFs) with high Brunauer-Emmett-Teller (BET) surface areas, using X-ray diffraction (XRD). Here, alkali treatments were conducted using 10 ~ 25 % NaOH and KOH on lyocell samples for 3 h at ambient room temperature. A secondary treatment with.....
More
Effect of Pre-Aging Treatment on the Mechanical Properties of Cold Rolled Cu-6 wt% Ni-1.4 wt% Si Alloy
Cu-6 wt% Ni-1.4 wt% Si 합금의 압연 후 기계적 성질에 미치는 시효전 처리 영향
Sang Jin Lee, Hyeon Seok Shin, Eun-Ae Choi, Jee Hyuk Ahn, Yoonsuk Choi, Sangshik Kim, Jehyun Lee, Seung Zeon Han이상진, 신현석, 최은애, 안지혁, 최윤석, 김상식, 이재현, 한승전
Korean J. Met. Mater.
2020;58(7):488-494. Published online 2020 Jul 5
DOI:
https://doi.org/10.3365/KJMM.2020.58.7.488
Abstract
Cu-Ni-Si alloys were strengthened by Ni
2
Si intermetallic compound precipitation in a Cu matrix during aging. The Cu-6 wt% Ni-1.4wt%Si alloy was prepared by water quenching (solution treatment) or air cooling (homogenization treatment) after heating 980
o
C for 2 hours and aging at 500
o
C for 6 hours. After maintaining a.....
More
Web of Science 4
Crossref 5
A Study on the Corrosion and Microstructure Characteristics of Early Iron Age Bronze Swords Excavated from Sinpung Site in Wanju, Jeollabuk-Do, Republic of Korea
전북 완주 신풍유적 출토 초기철기시대 동검의 부식 및 제작특성
Min Kyeong Jang, Nam Chul Cho장민경, 조남철
Korean J. Met. Mater.
2020;58(7):472-479. Published online 2020 Jul 5
DOI:
https://doi.org/10.3365/KJMM.2020.58.7.472
Abstract
The subject of this study was a bronze sword excavated from the early Iron Age area of Sinpung site in Wanju. SEM-EDS, FE-EPMA and Raman Micro-Spectroscopy analysis methods were applied to investigate the manufacturing techniques and corrosion characteristics. The results of the analysis indicated a casting structure composed of both.....
More
Web of Science 2
Crossref 3
Effect of Zn-Doping on the Phase Transition Behavior and Thermoelectric Transport Properties of Cu
2
Se
Zn 도핑이 Cu
2
Se의 상전이 거동과 열전수송특성에 미치는 영향
Seung Hyun Jin, Young Soo Lim진승현, 임영수
Korean J. Met. Mater.
2020;58(7):466-471. Published online 2020 Jul 5
DOI:
https://doi.org/10.3365/KJMM.2020.58.7.466
Abstract
We report on the phase transition behavior and thermoelectric transport properties of Zn-doped Cu
2
Se. Cu
2
Se is comprised of nontoxic, low-cost and abundant elements, and has been attracting attention because of its very high thermoelectric performance,
ZT
, at high temperatures. Many studies have reported enhanced
ZT
in impurity doped Cu
2
Se, however,.....
More
Web of Science 2
Crossref 2
Effects of Thiourea Stripping of 14 Karat White Gold Alloys With the Addition of SDS Surfactant
SDS 계면활성제 첨가에 따른 14 캐럿 백색 금합금의 티오우레아 스트리핑의 효과
Ikgyu Kim, Kwangbae Kim, Ohsung Song김익규, 김광배, 송오성
Korean J. Met. Mater.
2020;58(7):447-452. Published online 2020 Jul 5
DOI:
https://doi.org/10.3365/KJMM.2020.58.7.447
Abstract
A stripping solution with thiourea, iron(III) sulfate, and sodium dodecyl sulfate(SDS) was employed to strip Ni-based 14 karat white gold alloys, and the formation of the NiS byproduct and elimination of passivation were investigated in the presence of 0.0-0.2 g/L SDS. White gold alloy samples with a flat shape were.....
More
Web of Science 1
Crossref 1
Optical Properties of CaF
2
Anti-Reflection Coating On ZnS for 8~12 µm Infrared Region
CaF
2
저반사 코팅된 ZnS 윈도우의 8~12 µm 적외선 영역 광학적 특성
Ill-Joo Lee, Seung-Chan Hong, Byung-Sam Kim, Jae-Kyung Cheon이일주, 홍승찬, 김병삼, 천재경
Korean J. Met. Mater.
2020;58(6):433-438. Published online 2020 May 19
DOI:
https://doi.org/10.3365/KJMM.2020.58.6.433
Abstract
Technologies for pedestrian safety are increasingly emphasized by Automakers in advance of autonomous driving vehicles. A Night Vision System attached behind the front grille can reduce fatal accidents, especially during the nighttime, however, consumers may hesitate to adopt such systems on account of their high price. High-cost Germanium is used.....
More
Web of Science 1
Crossref 1
Interactions Between Ionic Liquid (ALiCY) and TBP and their Use in Hydrometallurgy for Extracting Co(II) and Ni(II)
Thanh Tuan Tran, Man Seung Lee
Korean J. Met. Mater.
2020;58(6):423-432. Published online 2020 May 14
DOI:
https://doi.org/10.3365/KJMM.2020.58.6.423
Abstract
Ionic liquids have emerged in hydrometallurgy as potential extractants for metals. In this work, the interactions of ALiCY (R
4
N
+
A
-
) synthesized by Aliquat336 and Cyanex272, and a mixture of ALiCY and TBP, were analyzed using extraction data and FT-IR spectroscopy. Co(II) and Ni(II) were extracted from two HCl concentrations (1.0×10
-4
and.....
More
Web of Science 6
Crossref 4
Effect of Cladding Conditions on Solidification Cracking Behavior during Dissimilar Cladding of Inconel Alloy FM 52 and 308L Stainless Steel to Carbon Steel: Evaluation of Solidification Brittle Temperature Range by Transverse−Varestraint Test
인코넬 FM52 및 308L 스테인리스강을 이용한 탄소강 이종 클래딩 및 공정변수에 따른 응고균열 발생 거동 변화: Transverse-Varestraint 시험을 이용한 응고취성 온도범위 평가
Yookyung Kim, Byungrok Moon, Namhyun Kang, Eun-Joon Chun김유경, 문병록, 강남현, 천은준
Korean J. Met. Mater.
2020;58(6):403-412. Published online 2020 May 14
DOI:
https://doi.org/10.3365/KJMM.2020.58.6.403
Abstract
In this study, solidification cracking behavior and susceptibility in dissimilar cladding of Inconel alloy FM 52, 308L stainless steel to carbon steel, was investigated by submerged arc welding and transverse−Varestraint testing with gas tungsten arc welding. The effect of cladding conditions on cracking behavior and susceptibility was extensively evaluated, and.....
More
Web of Science 6
Crossref 5
Causes and Measures of Fume in Directed Energy Deposition: A Review
Directed Energy Deposition에서 흄의 생성 원인 및 대책
Kang-Hyung Kim, Chan-Hyun Jung, Dae-Yong Jeong, Soong-Keun Hyun김강형, 정찬현, 정대용, 현승균
Korean J. Met. Mater.
2020;58(6):383-396. Published online 2020 May 14
DOI:
https://doi.org/10.3365/KJMM.2020.58.6.383
Abstract
Pores and cracks are known as the main defects in metal additive manufacturing (MAM), including directed energy deposition(DED). A gaseous fume is often produced by laser flash (instantaneous high temperature) during laser processing, which may cause various defects such as porosity, lack of fusion, inhomogeneity, low flowability and composition change,.....
More
Web of Science 2
Crossref 2
The Study on the Manufacturing Cold Cured Briquette Using Curing Reaction of Sodium Silicate
규산 소다의 경화 반응을 이용한 상온 경화 괴성광 제조에 대한 연구
Kang-Min Kim, Jeong-Whan Han김강민, 한정환
Korean J. Met. Mater.
2020;58(6):369-374. Published online 2020 May 20
DOI:
https://doi.org/10.3365/KJMM.2020.58.6.369
Abstract
New technologies need to be developed in the ironmaking process to reduce carbon dioxide emissions. To achieve this, in recent years steelmakers have been working to reduce coke usage by increasing thermal energy efficiency. However, it is very difficult to reduce coke consumption while maintaining production, because the level of.....
More
Investigation of Density- and Strain Rate-dependent Strain Hardening-softening-coupled material Behavior of Polyurethane Foams using Elasto-viscoplastic Constitutive Model
탄점소성 구성모델을 활용한 폴리우레탄 폼의 밀도 및 변형률 속도 의존 변형률 경화-연화 연성 재료 거동 규명
Tae-Rim Kim, Chi-Seung Lee김태림, 이치승
Korean J. Met. Mater.
2020;58(5):357-367. Published online 2020 Apr 20
DOI:
https://doi.org/10.3365/KJMM.2020.58.5.357
Abstract
Polyurethane foam (PUF) is one of the most well-known cellular materials and is widely employed in various industrial and biomedical fields thanks to its many advantages. These include mechanical and material characteristics such as low density and thermal conductivity, and high specific elastic modulus and strength. Despite of these advantages,.....
More
Web of Science 4
Crossref 3
Catalyst-Free Thermal Evaporation Synthesis of TiO
2
Nanostructures in Atmospheric Air
대기압의 공기 분위기에서 촉매를 사용하지 않는 열증발법을 이용하여 생성된 TiO
2
나노구조
Geun-Hyoung Lee이근형
Korean J. Met. Mater.
2020;58(5):353-356. Published online 2020 Apr 14
DOI:
https://doi.org/10.3365/KJMM.2020.58.5.353
Abstract
TiO
2
nanostructures were synthesized using a thermal evaporation method without a catalyst. TiO powders mixed with graphite powders were used as the source materials. The synthesis process was performed in air atmosphere at 1000 °C. When the mass ratio of TiO/graphite in the source material was 2:1, TiO
2
nanowires and.....
More
Web of Science 3
Crossref 5
Thermoelectric Transport Properties of N-type Bi
2
Te
2.7
Se
0.3
Compound Prepared by Oxide-Reduction Process
산화물 환원공정에 의해 제작된 n-형 Bi
2
Te
2.7
Se
0.3
화합물의 열전특성연구
Young Soo Lim, Bae Gun Park, Gil-Geun Lee임영수, 박배건, 이길근
Korean J. Met. Mater.
2020;58(5):334-339. Published online 2020 Apr 20
DOI:
https://doi.org/10.3365/KJMM.2020.58.5.334
Abstract
We report the thermoelectric transport properties of n-type Bi
2
Te
2.7
Se
0.3
compounds prepared by oxide-reduction process. The oxide-reduction process is a recently developed method that can synthesize Bi2Te3-based compounds using only oxide starting materials, which is advantageous in terms of the diversity of the starting materials and cost efficiency. In this study,.....
More
Web of Science 3
Crossref 4
Synthesis of Porous Silica Particles for the Adsorption of Organic Dye in Aqueous Medium
Young-Sang Cho, Sol Jeong, Soyoung Nam
Korean J. Met. Mater.
2020;58(5):304-318. Published online 2020 Apr 20
DOI:
https://doi.org/10.3365/KJMM.2020.58.5.304
Abstract
This study investigated the removal of the organic dye like methylene blue using porous particles in a batch adsorption process. Porous silica microparticles were synthesized with macropores or meso-macropores and used as adsorbent particles. The hierarchically porous structures with additional mesopores were found to be more effective adsorbent than simple.....
More
Web of Science 3
Crossref 3
Effect of Bainitic Microstructure on Low-Temperature Toughness of High-Strength API Pipeline Steels
고강도 API 라인파이프강의 저온 인성에 미치는 베이나이트계 미세조직의 영향
Seung-Wan Lee, Sang-In Lee, Byoungchul Hwang이승완, 이상인, 황병철
Korean J. Met. Mater.
2020;58(5):293-303. Published online 2020 Apr 20
DOI:
https://doi.org/10.3365/KJMM.2020.58.5.293
Abstract
In this study the correlation between bainitic microstructure and the low-temperature toughness of high-strength API pipeline steels was discussed in terms of crack initiation and propagation in the microstructure. Three types of API pipeline steels with different bainitic microstructures were fabricated using varying alloying elements and thermo-mechanical processing conditions, and.....
More
Web of Science 8
Crossref 7
A Method of Synthesizing Lithium Hydroxide Nanoparticles Using Lithium Sulfate from Spent Batteries by 2-Step Precipitation Method
Soyeong Joo, Hyun-Woo Shim, Jin-Ju Choi, Chan-Gi Lee, Dae-Guen Kim
Korean J. Met. Mater.
2020;58(4):286-291. Published online 2020 Mar 10
DOI:
https://doi.org/10.3365/KJMM.2020.58.4.286
Abstract
In this work, LiOH was synthesized using highly soluble Li
2
SO
4
. To enhance efficiency, this synthesis was performed using the precipitation method, and the correlation between each experimental condition and the synthesis of LiOH was investigated. The particle size and crystalline properties were tailored by controlling various experimental conditions, including the.....
More
Web of Science 5
Crossref 6
Effects of Growth Temperature on the Physicochemical and Photoelectrochemical Properties of a Modified Chemical Bath Deposited Fe
2
O
3
Photoelectrode
개선된 화학 용액 증착법 성장 온도에 따른 Fe
2
O
3
광전극의 물리화학적 및 광전기화학적 특성 연구
Yaejin Hong, Seung-Hwan Jeon, Hyukhyun Ryu, Won-Jae Lee홍예진, 전승환, 류혁현, 이원재
Korean J. Met. Mater.
2020;58(4):263-271. Published online 2020 Mar 10
DOI:
https://doi.org/10.3365/KJMM.2020.58.4.263
Abstract
In this study, Fe
2
O
3
photoelectrode thin films were grown on fluorine-doped tin oxide substrates at various temperatures ranging from 145 to 220 oC using modified chemical bath deposition. The morphological, structural, electrical, and photoelectrochemical properties of the resulting Fe
2
O
3
photoelectrode were analyzed using field emission scanning electron microscopy, X-ray diffraction,.....
More
Web of Science 3
Crossref 2
Oxidation of Ni-Cr-Co-Al-Mo-Ti-Re-Ta-W-Ru Single Crystals at 1000
o
C in Air
Ni-Cr-Co-Al-Mo-Ti-Re-Ta-W-Ru 단결정의 대기중 1000
o
C에서의 산화
Junhee Hahn, Xiao Xiao, Dong Bok Lee한준희, Xiao Xiao, 이동복
Korean J. Met. Mater.
2020;58(4):234-246. Published online 2020 Mar 11
DOI:
https://doi.org/10.3365/KJMM.2020.58.4.234
Abstract
Three kinds of Ni-based single crystals with the compositions of 63.8Ni-7.5Cr-5.1Co-4.8Al-1.9Mo- 0.9Ti-3Re-11.8Ta-1.2W, 61.4Ni-7.4Cr-5Co-4.8Al-1.8Mo-0.9Ti-3.1Re-11.6Ta-4W, and 60.9Ni-7.5Cr-5Co-4.8Al- 2Mo-1Ti-2.9Re-10.9Ta-1.2W-3.8Ru, in wt%, were cast in a Bridgman furnace. In the cast alloys, Cr, Co, Re, Mo, W, and Ru became microsegregated in dendrites consisting of γ-Ni, while Ni, Ta, and Al microsegregated in interdendrites.....
More
Web of Science 6
Crossref 6
Effects of Ni and Cu Addition on Tensile Properties and Thermal Conductivity of High Pressure Die-cast Al-6Si Alloys
고압 다이캐스팅 Al-6Si계 합금의 인장특성 및 열전도성에 미치는 Ni과 Cu 첨가 영향
Jae-Cheol Jang, Kwang Seon Shin장재철, 신광선
Korean J. Met. Mater.
2020;58(4):217-226. Published online 2020 Mar 10
DOI:
https://doi.org/10.3365/KJMM.2020.58.4.217
Abstract
In this study, the effects of nickel and copper on the mechanical and thermal properties of Al-Si alloys were investigated, for different alloy compositions. Thermodynamic calculations were carried out to predict the alloys’ solidification behavior (solidification temperature, solid fraction and physical properties (density, thermal conductivity, elastic modulus, bulk modulus)). The.....
More
Web of Science 6
Crossref 5
Measurement of Intrinsic Hardness of Deposited Chromium Thin Films by Nanoindentation Method and Influencing Factors
나노인덴테이션 방법으로 크롬 박막의 고유경도를 측정하는 방법과 영향 인자
Young-Joon Kang, Ju-Hwan Baeg, Hyun Park, Young-Rae Cho강영준, 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.....
More
Web of Science 3
Crossref 3
Long-time Oxidation of Ti
3
(Al,Si)C
2
Carbides at 400-800
o
C
Junhee Hahn, Sang Whan Park, Dong Bok Lee
Korean J. Met. Mater.
2020;58(3):182-189. Published online 2020 Mar 5
DOI:
https://doi.org/10.3365/KJMM.2020.58.3.182
Abstract
Quarternay carbides of Ti
3
Al
x
Si
1-x
C
2
(x=0.3, 0.5, and 0.7) were oxidized at 400, 600, and 800 °C for 0.5-6 months in order to study their long-time oxidation behavior in air. When they were oxidized at 400-600
o
C for 0.5-3 months, oxidation proceeded relatively slowly with moderate weight gains. However, further oxidation.....
More
Web of Science 3
Crossref 3
A Study on Uniaxial Tensile Deformation Behavior of Superelastic Titanium Alloy
초탄성 티타늄 합금의 인장 변형거동 고찰
Hye-Jin Jeong, Viet Tien Luu, Yong-Ha Jeong, Sung-Tae Hong, Heung Nam Han정혜진, 르우비엣띠엔, 정용하, 홍성태, 한흥남
Korean J. Met. Mater.
2020;58(3):162-168. Published online 2020 Mar 5
DOI:
https://doi.org/10.3365/KJMM.2020.58.3.162
Abstract
A superelastic titanium alloy was subjected to uniaxial tensile deformation at room temperature. The microstructural evolution and deformation mechanisms of the superelastic titanium alloy were investigated by electron backscatter diffraction (EBSD) and X-ray diffraction (XRD). Multiple deformation mechanisms including stress-induced martensitic transformation (SIMT), dislocation slip, {332}<113> and {112}<111> mechanical twinning.....
More
Web of Science 5
Crossref 5
Pattern Transfer Printing by Controlling the Deposition Angle to Form Various Patterns
증착 각도 조절 기반 패턴전사프린팅을 통한 패턴 형상의 제어
Tae Wan Park, Woon Ik Park박태완, 박운익
Korean J. Met. Mater.
2020;58(2):145-150. Published online 2020 Jan 8
DOI:
https://doi.org/10.3365/KJMM.2020.58.2.145
Abstract
The nanofabrication of modern electronic devices requires advanced nanopatterning technologies. To fabricate desirable nanodevices with excellent device performance, controlling the shape and dimension of the pattern is very important. However, to achieve more facile and faster device fabrication, with better pattern resolution, pattern-tunability, process simplicity, and cost-effectiveness, some remaining challenges.....
More
Web of Science 1
Crossref 1
Design and Fabrication of Metamaterial Absorbers Used for RF-ID
RF-ID용 메타소재 흡수체의 설계 및 제조
Yo-Han Ryu, Sung-Soo Kim류요한, 김성수
Korean J. Met. Mater.
2020;58(2):131-136. Published online 2020 Jan 8
DOI:
https://doi.org/10.3365/KJMM.2020.58.2.131
Abstract
Radio frequency identification (RF-ID) uses electromagnetic fields to automatically identify and track tags attached to objects. In response to the need to suppress the electromagnetic interference between adjacent RF-ID equipment or systems, this study aims to achieve a thin and multi-resonance absorber using metamaterials composed of patterned grids on a.....
More
Web of Science 1
Crossref 2
A Research on the Surface Oxidation During Gas Carburization of Cr-Mo-Si Steels for the Automotive Transmission Gears
자동차 변속기 기어용 Cr-Mo-Si강의 가스 침탄 중 표면 산화반응 연구
Joong-Kil Choe, Dong-Hwi Kim, Bong-Lae Jo, Seung-hyun Hong, Jun Young Park, Seong-Jun Park최중길, 김동휘, 조봉래, 홍승현, 박준영, 박성준
Korean J. Met. Mater.
2020;58(2):125-130. Published online 2020 Jan 8
DOI:
https://doi.org/10.3365/KJMM.2020.58.2.125
Abstract
As global regulations of CO
2
emissions and fuel consumption efficiency become more strict, the automotive powertrain system has become more compact with lower lubrication viscosity. With the current trends in powertrain system improvement, the operating conditions of powertrain components such as gears are becoming more severe. As a result, it.....
More
Web of Science 1
Crossref 1
Synthesis of Porous Particles by Electrospray-Assisted Self-Assembly for Water-Repellent or Photocatalytic Surfaces
Young-Sang Cho, Younghyun Lee, Nahee Ku, Sugueun Ji, Young Seok Kim
Korean J. Met. Mater.
2020;58(2):112-124. Published online 2020 Jan 8
DOI:
https://doi.org/10.3365/KJMM.2020.58.2.112
Abstract
In this study, an electrospray technique was used for the synthesis of macroporous ceramic particles, such as silica or titania, by a colloidal templating method. For this purpose, a suspension of polystyrene nanospheres was synthesized by dispersion polymerization for use as sacrificial templates. The feed solution containing a ceramic precursor.....
More
Web of Science 5
Crossref 4
Development of Superhydrophilic 6061 Aluminum Alloy by Stepwise Anodization According to Pore-Widening Time
Pore-Widening 시간에 따른 단계적 양극산화방법을 이용한 초친수 알루미늄 6061 합금 개발
Youngju Park, Hyejeong Ji, Chanyoung Jeong박영주, 지혜정, 정찬영
Korean J. Met. Mater.
2020;58(2):97-102. Published online 2020 Jan 8
DOI:
https://doi.org/10.3365/KJMM.2020.58.2.97
Abstract
This study created alumina structures with the highest hydrophilic properties on 6061 aluminum alloy. The anodization process was applied to make various aluminum oxide structures. To create uniform alumina structures on top of a 6061 aluminum alloy surface, after conducting the first anodization in 0.3 M oxalic acid at 40.....
More
Web of Science 4
Crossref 1
Corrosion Characteristics of Plasma Electrolytic Oxidation Treated AZ31 Magnesium Alloy with an Increase of the Coating Thickness
AZ31 마그네슘 합금의 플라즈마전해 산화막 두께 성장에 따른 내식특성
Boeun Choi, Wonsub Chung, Yonghwan Kim최보은, 정원섭, 김용환
Korean J. Met. Mater.
2020;58(2):87-96. Published online 2020 Jan 8
DOI:
https://doi.org/10.3365/KJMM.2020.58.2.87
Abstract
The growth of the PEO coating with processing time on an AZ31B magnesium alloy in a dilute alkaline electrolyte containing silicate and the corrosion characteristics according to its thickness were investigated. The oxide film grew a porous outer layer mainly consisting of silicate with the spark discharge phenomenon from the.....
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Web of Science 2
Crossref 2
Development of Al-Based Metallic Glass Composites Containing Pb-Rich Crystalline 2
nd
Phase
결정질 Pb 제2상을 포함하는 Al 계 비정질 합금 개발
Wan Kim, Jinwoo Kim, Je In Lee, Eun Soo Park김완, 김진우, 이제인, 박은수
Korean J. Met. Mater.
2020;58(2):77-86. Published online 2020 Jan 8
DOI:
https://doi.org/10.3365/KJMM.2020.58.2.77
Abstract
Liquid immiscible alloy systems present a unique opportunity for designing composites with sphere-dispersed and/or interconnected microstructures. Herein, we demonstrate that the addition of Pb in Al
84
TM
10
RE
6
(TM=Ni,Co,Fe,Ti, RE=La,Ce,Nd,Gd,Y) metallic glasses can result in liquid-liquid phase separation in a liquid immiscibility gap and substantially solidifies into a Pb-rich crystalline phase and.....
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Web of Science 2
Crossref 2
Synthesis and Characterization of the Cu
0.72
Co
2.28
O
4
Catalyst for Oxygen Evolution Reaction in an Anion Exchange Membrane Water Electrolyzer
음이온 교환막 수전해에 사용되는 Cu
0.72
Co
2.28
O
4
산소 발생 촉매의 합성 및 특성 분석
Sung Min Park, Myeong Je Jang, Yoo Sei Park, Jooyoung Lee, Jae-yeop Jeong, Jaehoon Jung, Min-Kwan Choi, Yu-Seong Noh, Min-Ho Seo, Hyung Ju Kim, Juchan Yang, Yang Do Kim, Sung Mook Choi박성민, 장명제, 박유세, 이주영, 정재엽, 정재훈, 최민관, 노유성, 서민호, 김형주, 양주찬, 김양도, 최승목
Korean J. Met. Mater.
2020;58(1):49-58. Published online 2019 Dec 12
DOI:
https://doi.org/10.3365/KJMM.2020.58.1.49
Abstract
In this study, we investigated the morphological, crystal structural, electronic structural, and electrocatalytic properties of the inverse spinel structured copper cobalt oxide (Cu
0.72
Co
2.28
O
4
) catalysts. The materials were prepared by coprecipitation using various copper and cobalt precursors, and subsequent oxidation treatment. Electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, and Brunauer Emmett.....
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Web of Science 11
Crossref 12
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