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  • Most-cited are based on citations from 2017 ~ 2019.

  • 247 Separation and Recovery of Precious Metals from Leach Liquors of Spent Electronic Wastes by Solvent Extraction
    Thi Hong Nguyen, Lingyun Wang, Man Seung Lee
    Korean J. Met. Mater. 2017;55(4):247-255.   Published online 2017 Apr 6
    DOI: https://doi.org/10.3365/KJMM.2017.55.4.247

    Abstract
    Solvent extraction was employed to recover precious metals (Au (III), Pd (II) and Pt (IV)) from the leach solution of spent electronic wastes containing Cu (II), Cr (III) and Fe (III). First, pure Fe (III) and Au (III) were recovered by simultaneous extraction with Cyanex 923 followed by selective stripping..... More

             Cited By 6
    363 Effect of Annealing Temperature on the Microstructure, Tensile Properties, and Fracture Behavior of Cold-Rolled High-Mn Light-Weight Steels
    고망간 경량철강 냉연판재의 미세조직, 인장특성 및 파괴거동에 미치는 어닐링 온도의 영향
    Jae-hyun Lee, Seong-Jun Park, Joonoh Moon, Jun-Yun Kang, Jun-Young Park, Tae-Ho Lee, Kyung Mox Cho
    이재현, 박성준, 문준오, 강전연, 박준영, 이태호, 조경목
    Korean J. Met. Mater. 2017;55(5):363-371.   Published online 2017 May 9
    DOI: https://doi.org/10.3365/KJMM.2017.55.5.363
    Abstract
    The effects of the annealing temperature on the microstructure and tensile properties of cold-rolled light-weight steels are investigated using two Fe-30Mn-xAl-0.9C alloys that contain different Al content. The initial alloy microstructure is composed of a single austenite or a mixture of austenite and ferrite depending on the nominal aluminum content.... More
             Cited By 6
    40 Effect of Al Addition on the Microstructure, Tensile Properties, and Bendability of Extruded Mg-7Sn-1Zn Alloy
    Al 첨가가 Mg-7Sn-1Zn 합금 압출재의 미세조직과 인장 및 굽힘 특성에 미치는 영향
    Sang-Hoon Kim, Jong Un Lee, Ye Jin Kim, Jae Ok Choi, Jeong-Hun Lee, Sung Hyuk Park
    김상훈, 이종언, 김예진, 최재옥, 이정훈, 박성혁
    Korean J. Met. Mater. 2018;56(1):40-48.   Published online 2018 Jan 1
    DOI: https://doi.org/10.3365/KJMM.2018.56.1.40

    Abstract
    The effect of Al addition on the microstructure and mechanical properties of extruded Mg-Sn based alloy is investigated by adding 1 wt% Al to the Mg-7Sn-1Zn alloy and indirectly extruding the billets with and without the Al addition. The Al addition promotes dynamic recrystallization (DRX) behaviour during hot extrusion, which..... More

             Cited By 5
    59 Enhancement of the Hydrogen-Storage Characteristics of Mg by Adding Mg2Ni and Ni to MgH2 via High Energy Ball Milling in Hydrogen Atmosphere
    Seong-Hyeon Hong, Young Jun Kwak, Myoung Youp Song
    Korean J. Met. Mater. 2018;56(1):59-65.   Published online 2018 Jan 1
    DOI: https://doi.org/10.3365/KJMM.2018.56.1.59

    Abstract
    In this work, Mg2Ni and Ni were added to MgH2 in order to improve the hydrogen-storage properties of Mg. A 94 wt% MgH2+5 wt% Mg2Ni+1wt% Ni (named 94MgH2+5Mg2Ni+1Ni) sample was prepared by milling in a hydrogen atmosphere in a planetary ball mill for 5 h. The Mg2Ni was hydrided during..... More

             Cited By 4
    392 Development of a Mg-Based Alloy with a Hydrogen-Storage Capacity of 7 wt% by Adding a Polymer CMC via Transformation-Involving Milling
    Myoung Youp Song, Eunho Choi, Young Jun Kwak
    Korean J. Met. Mater. 2018;56(5):392-399.   Published online 2018 May 8
    DOI: https://doi.org/10.3365/KJMM.2018.56.5.392

    Abstract
    The addition of CMC (Carboxymethylcellulose, Sodium Salt) may improve the hydriding and dehydriding properties of Mg since it has a relatively low melting point and the melting of CMC during transformation-involving milling may put the milled samples in good states to absorb and release hydrogen rapidly. Samples with compositions of..... More

             Cited By 4
    465 Thermoelectric Properties of Partially Double-filled (Ce1-zNdz)yFe4-xCoxSb12 Skutterudites
    Ye-Eun Cha, Il-Ho Kim
    Korean J. Met. Mater. 2018;56(6):465-471.   Published online 2018 Jun 4
    DOI: https://doi.org/10.3365/KJMM.2018.56.6.465

    Abstract
    (Ce1-zNdz)yFe4-xCoxSb12 skutterudites were prepared by encapsulated melting, annealing, and hot pressing. The formation of a marcasite phase (FeSb2) was significantly suppressed by partially filling the voids with Ce/Nd and making a Co substitution at the Fe site. Both the Hall and the Seebeck coefficient values were positive, indicating that all..... More

                               Cited By 4
    524 Hydrogen Storage Properties of Mg-Graphene Composites
    Myoung Youp Song, Young Jun Kwak, Eunho Choi
    Korean J. Met. Mater. 2018;56(7):524-531.   Published online 2018 Jul 5
    DOI: https://doi.org/10.3365/KJMM.2018.56.7.524

    Abstract
    To improve the hydrogen uptake and release properties of magnesium (Mg), five weight percent of graphene was added to pre-milled Mg by milling in hydrogen (reaction-involving milling). The hydrogen uptake and release properties of the graphene-added Mg (named Mg-5graphene) were investigated. Premilling of Mg (for 24 h) and then adding..... More

                               Cited By 4
    611 Hydrogen Uptake and Release Characteristics of Mg-xTaF5-xVCl3 (x=1.25, 2.5, and 5)
    Myoung Youp Song, Young Jun Kwak
    Korean J. Met. Mater. 2018;56(8):611-619.   Published online 2018 Aug 5
    DOI: https://doi.org/10.3365/KJMM.2018.56.8.611

    Abstract
    TaF5 and VCl3 were chosen as additives to enhance the hydrogen uptake and release rates of Mg. The total content of the additives was not more than 10 wt% since too high content reduces the fraction of Mg and thus the hydrogen storage capacity of the alloys. Samples with compositions..... More

                               Cited By 4
    1 Effect of Configurational Entropy of Mixing on Thermophysical Properties in Single Phase FCC Solid Solutions with Multi-Principal Elements
    혼합엔트로피 제어에 따른 단일 FCC 고용체 합금의 물성변화 분석
    Je In Lee, Hyun Seok Oh, Jun Hyuk Kim, Eun Soo Park
    이제인, 오현석, 김준혁, 박은수
    Korean J. Met. Mater. 2017;55(1):1-9.   Published online 2017 Jan 5
    DOI: https://doi.org/10.3365/KJMM.2017.55.1.1

    Abstract
    In the present study, we systematically investigated the effect of entropy of mixing (ΔSmix) on the mechanical and thermal properties of single phase FCC solid solutions with multi-principal elements. An increase in ΔSmix led to an increase in micro-hardness and a decrease in thermal conductivity (κ) due to severe lattice..... More

             Cited By 3
    232 Solder Joint Fatigue Life of Flexible Impact Sensor Module for Automotive Electronics
    자동차 에어백용 플렉시블 충격센서 모듈의 솔더 접합부 피로수명
    Ji-Yeon Park, Mi-Song Kim, Chulmin Oh, Sang Hyeon Do, Jong Dock Seo, Dae Keun Kim, Won Sik Hong
    박지연, 김미송, 오철민, 도상현, 서종덕, 김대근, 홍원식
    Korean J. Met. Mater. 2017;55(4):232-239.   Published online 2017 Apr 6
    DOI: https://doi.org/10.3365/KJMM.2017.55.4.232

    Abstract
    To improve the sensitivity of impact sensor modules for automotive air bag systems, we developed a flexible module. The impact sensor was soldered with Sn-3.0Ag-0.5Cu (SAC305) solder on a flexible printed circuit board (FPCB) with an organic solderability preservative (OSP) surface finish. Thermal shock (TS) is one of the test..... More

             Cited By 3
    348 Effect of Temperature and Flow Velocity on the Cathodic Protection of Ships and Underwater Electromagnetic Signatures
    온도 및 유속이 선박의 음극방식 및 수중 전자기장 신호 특성에 미치는 영향
    Yong-Sang Kim, Kyoung-Min Kim, Sangkyu Lee, Jung-Gu Kim
    김용상, 김경민, 이상규, 김정구
    Korean J. Met. Mater. 2017;55(5):348-356.   Published online 2017 May 9
    DOI: https://doi.org/10.3365/KJMM.2017.55.5.348

    Abstract
    The effects of the temperature and flow velocity on the cathodic protection and underwater electromagnetic signature of ships are investigated using electrochemical tests and boundary element simulations. The corrosion resistance of the materials for the hull and propeller increase at lower temperatures, and the corrosion resistance is significantly decreased under..... More

             Cited By 3
    570 Effect of Carbon Contents on Corrosion and Hydrogen Diffusion Behaviors of Ultra-Strong Steels for Automotive Applications
    탄소함량이 자동차용 초고강도 철강소재의 부식 및 수소 확산 거동에 미치는 영향
    Eun Hye Hwang, Hwan Goo Seong, Sung Jin Kim
    황은혜, 성환구, 김성진
    Korean J. Met. Mater. 2018;56(8):570-579.   Published online 2018 Aug 5
    DOI: https://doi.org/10.3365/KJMM.2018.56.8.570

    Abstract
    Recently developed ultra-strong GIGA STEEL exhibites superior mechanical properties, with a high tensile strength of more than 1.5 GPa and good impact toughness. Nevertheless, its application to auto parts has been severely restricted, mainly due to a substantial reduction in the resistance to hydrogen embrittlement (HE) induced by aqueous corrosion...... More

                               Cited By 3
    Plastic Working & Materials Processing
    16 The Effect of Mixed Slurry of Fe and Graphite on the Characteristics of Laser Carburized Surface
    레이저 침탄공정시 철과 흑연의 혼합 슬러리가 침탄특성에 미치는 효과
    Won-Jong Ji, Seong-Hoon Lee, Young-Hoon Moon
    지원종, 이성훈, 문영훈
    Korean J. Met. Mater. 2017;55(1):16-23.   Published online 2017 Jan 5
    DOI: https://doi.org/10.3365/KJMM.2017.55.1.16

    Abstract
    Laser surface carburizing can be achieved by a laser alloying mechanism, which includes melting the graphite coated substrate and dissolution of the graphite in the liquid state. The drawback of laser carburizing is that process-induced cracks frequently form on the carburized surface as a result of carbon enrichment and the..... More

             Cited By 2
    110 Effect of Graphene Addition on the Mechanical Properties of TiO2
    TiO2 기계적 성질에 미치는 그래핀 첨가 영향
    In-Jin Shon
    손인진
    Korean J. Met. Mater. 2017;55(2):110-114.   Published online 2017 Feb 2
    DOI: https://doi.org/10.3365/KJMM.2017.55.2.110

    Abstract
    Despite of the many attractive properties of TiO2, its low fracture toughness limits many industrial applications. To improve its fracture toughness, the approach commonly utilized has been the addition of a second phase, to form composites, and to make nanostructured composites. In this regard, highly dense nanostructured TiO2 and TiO2-graphene..... More

             Cited By 2
    213 High Temperature Properties and Recent Research Trend of Mg-RE Alloys
    Mg-RE계 고온용 합금의 특성과 최근 연구 동향
    Soo Woo Nam
    남수우
    Korean J. Met. Mater. 2017;55(4):213-221.   Published online 2017 Apr 6
    DOI: https://doi.org/10.3365/KJMM.2017.55.4.213

    Abstract
    For the applications in automotive, aircraft, aerospace, and electronic industries, the lightest structural Mg alloys have received much attention since 2000. There has been some progress for the improvement of the mechanical properties such as room temperature strength, formability and mechanical anisotropy. However, the high temperature strength of Mg alloys..... More

             Cited By 2
    296 Factors Influencing Plasma Electrolytic Oxidation(PEO) Coatings on Magnesium Alloys: A Review
    마그네슘 합금의 플라스마전해산화 코팅에 영향을 미치는 제반 요소들에 대한 고찰
    Gunchoo Shim
    심건주
    Korean J. Met. Mater. 2017;55(5):296-307.   Published online 2017 May 9
    DOI: https://doi.org/10.3365/KJMM.2017.55.5.296
    Abstract
    Magnesium alloys, which possess excellent specific strength and castability, are highly susceptible to corrosion. Although anodizing is widely used to resolve this problem, it requires toxic electrolytes and produces relatively thin and weak surface coatings. Recently, plasma electrolytic oxidation (PEO) has emerged as an alternative to anodizing. Although it is... More
             Cited By 2
    664 Evaluation of Mechanical Property for Welded Austenitic Stainless Steel 304 by Following Post Weld Heat Treatment
    STS304의 후열처리에 따른 용접부 미세조직과 기계적 특성 평가
    Daehan Jang, Kwangyoon Kim, Hyoung Chan Kim, Jong Bae Jeon, Dae-Geun Nam, Keun Yong Sohn, Byung Jun Kim
    장대한, 김광윤, 김형찬, 전종배, 남대근, 손근용, 김병준
    Korean J. Met. Mater. 2017;55(9):664-670.   Published online 2017 Aug 30
    DOI: https://doi.org/10.3365/KJMM.2017.55.9.664

    Abstract
    Austenitic stainless steels have excellent mechanical property and corrosion resistance, and are for these reasons used in demanding applications such as power plant, nuclear reactor and off-shore plant. Especially, austenitic stainless steel 304 (STS304) is mainly used as a pipe material in nuclear power plants. Submerged arc welding (SAW) is..... More

             Cited By 2
    1 Hydrogen Induced Crack Propagation in Bainitic X70 Steel in Hydrogen Pressured Tensile Test
    베이나이트계 X70강 수소가압분위기 인장시험의 수소취성균열 전파
    Byung Hak Choe, Hyeon Su Jang, Bum Gyu Lee, Eui Soo Kim, Woo Sik Kim, Un Bong Baek, Sung Hoon Nam
    최병학, 장현수, 이범규, 김의수, 김우식, 백운봉, 남승훈
    Korean J. Met. Mater. 2018;56(1):1-7.   Published online 2018 Jan 1
    DOI: https://doi.org/10.3365/KJMM.2018.56.1.1

    Abstract
    This study investigated hydrogen induced cracking (HIC) of X70 steel, used for gas pipeline material, with a bainitic microstructure. The effect of hydrogen on the steel was investigated by tensiletesting in a high pressure hydrogen atmosphere, using OM, SEM and TEM analyses. The mechanisms of hydrogen-related cracking were represented as..... More

             Cited By 2
    26 Effect of Carbon Addition and Recrystallization on the Microstructure and Mechanical Properties of CoCrFeMnNi High Entropy Alloys
    CoCrFeMnNi 고엔트로피 합금에서 탄소 첨가 및 재결정열처리가 미세구조 및 기계적 특성에 미치는 영향
    Jun Yeong Ko, Jae Sook Song, Sun Ig Hong
    고준영, 송재숙, 홍순익
    Korean J. Met. Mater. 2018;56(1):26-33.   Published online 2018 Jan 1
    DOI: https://doi.org/10.3365/KJMM.2018.56.1.26

    Abstract
    The effect of carbon addition on the cast and rolled microstructures of CoCrFeMnNi high entropy alloys were studied. Both as-cast CoCrFeMnNi and CoCrFeMnNiC0.1 alloys have a dendritic microstructure. Small carbide particles were observed at the inter-dendritic region in the as-cast CoCrFeMnNiC0.1 and elongated-grained structure with aligned carbides were developed at..... More

             Cited By 2
    350 High-temperature Oxidation of Hot-dip Aluminized 2.25Cr-1Mo Steel
    Muhammad Ali Abro, Junhee Hahn, Dong Bok Lee
    Korean J. Met. Mater. 2018;56(5):350-359.   Published online 2018 May 8
    DOI: https://doi.org/10.3365/KJMM.2018.56.5.350

    Abstract
    When 2.25Cr-1Mo steel was hot-dip aluminized, a coating consisting of (Al-rich topcoat)/(Al13Fe4 layer)/(Al5Fe2 layer) formed. With increment of oxidation temperature, the transform of Al→Al13Fe4→Al5Fe2→AlFe→AlFe3→α-Fe(Al)→α-Fe occurred through interdiffusion between the coating and the substrate as follows. The oxidation at 700 oC changed the coating to (α-Al2O3 scale)/(α-Al2O3, Al13Fe4, Al5Fe2)-mixed layer)/(Al5Fe2 layer)/(AlFe..... More

             Cited By 2
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