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  • Most-cited are based on citations from 2022 ~ 2024.

  • 83 Effect of Dissolution of η′ Precipitates on Mechanical Properties of A7075-T6 Alloy
    A7075-T6 합금에서 η' 석출상의 재고용이 기계적 특성에 미치는 영향
    Young-We Kim, Yong-Hee Jo, Yun-Soo Lee, Hyoung-Wook Kim, Je-In Lee
    김영위, 조용희, 이윤수, 김형욱, 이제인
    Korean J. Met. Mater. 2022;60(1):83-93.   Published online 2021 Dec 14
    DOI: https://doi.org/10.3365/KJMM.2022.60.1.83

    The effects of dissolution of the η′ phase by solution treatment on the mechanical properties of A7075-T6 alloy were investigated. Immediately after solution treatment of the T6 sheet at 450 oC or higher, elongation significantly increased and dissolution of the η′ phase occurred. η′ is the main hardening phase. After..... More

                    Supplementary       Web of Science 9  Crossref 9
    315 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

    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

                       Web of Science 11  Crossref 9
    1 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

    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

                       Web of Science 7  Crossref 8
    282 Microstructure and Mechanical Properties of Vacuum Centrifugal Casted Ti-6Al-4V Alloy by Casting and Heat Treatment
    진공 원심 주조된 Ti-6Al-4V 합금의 주조 및 열처리에 따른 미세조직과 기계적 특성
    Hyun-Woo Lee, Byeong-Ook Kong, Seung Eon Kim, Yunkon Joo, Sukhyun Yoon, Je Hyun Lee
    이현우, 공병욱, 김승언, 주윤곤, 윤석현, 이재현
    Korean J. Met. Mater. 2022;60(4):282-290.   Published online 2022 Mar 28
    DOI: https://doi.org/10.3365/KJMM.2022.60.4.282

    The Ti-6Al-4V alloy has been widely used for structural materials due to high specific strength property, however it is difficult to cast because of high reactivity at high temperature. In this study casting characteristics and post-casting heat treatment were studied in the cast Ti alloy. The cast alloy was prepared..... More

                       Web of Science 6  Crossref 7
    694 Electrical and Mechanical Properties of Polymer Composite through the Use of Single-Walled Carbon Nanotube and Multi-Walled Carbon Nanotube
    단일벽 탄소나노튜브와 다중벽 탄소나노튜브 사용에 따른 고분자 복합체의 기계적, 전기적 물성
    Byung-Ho Kang, Oh-Nyoung Hur, Soon-Kook Hong, Sung-Hoon Park
    강병호, 허오녕, 홍순국, 박성훈
    Korean J. Met. Mater. 2022;60(9):694-700.   Published online 2022 Aug 30
    DOI: https://doi.org/10.3365/KJMM.2022.60.9.694

    To manufacture composites with required properties, it is extremely important to select an appropriate filler. Carbon-based nano materials such as carbon black, graphene and carbon nanotube (CNT) have been extensively investigated as reinforcing and conducting fillers. Because of their high aspect ratio coupled with superior physical properties, 1-dimensional CNTs are..... More

                       Web of Science 5  Crossref 7
    251 A Study on the Microstructures and Mechanical Properties of Ni-Cr-Mo-V Low Alloy Steels
    Ni-Cr-Mo-V계 저합금강의 미세조직과 기계적 특성에 관한 연구
    Mu Geun Jo, Seong Hyeon Ryu, Kyung Il Kim, Dong Eung Kim, Jung In Kim, Kyung Taek Kim, Sang Sub Kim, Gue Serb Cho
    조무근, 류성현, 김경일, 김동응, 김정인, 김경택, 김상섭, 조규섭
    Korean J. Met. Mater. 2022;60(4):251-262.   Published online 2022 Mar 28
    DOI: https://doi.org/10.3365/KJMM.2022.60.4.251

    Ni-Cr-Mo-V steel alloys for high-speed railway brake discs were prepared to investigate the effect of alloying element contents on the microstructure and mechanical properties. The Cr, Mo, Mn alloying elements were incorporated into the steel alloys, which contained low carbon content in the range 0.16 wt.% ~ 0.21 wt.% to..... More

                       Web of Science 5  Crossref 6
    463 Synthesis of N-type Bi2Te2.7Se0.3 Compounds through Oxide-Reduction Process and Related Thermoelectric Transport Properties
    산화물 환원공정에 의한 n형 Bi2Te2.7Se0.3 화합물의 합성과 열전특성
    Young Soo Lim, Bae Gun Park, Gil-Geun Lee
    임영수, 박배건, 이길근
    Korean J. Met. Mater. 2022;60(6):463-470.   Published online 2022 May 24
    DOI: https://doi.org/10.3365/KJMM.2022.60.6.463

    We present a study on the synthesis of Bi2Te2.7Se0.3 powders through an oxide reduction process and also on the effect of the oxide reduction process on the thermoelectric transport properties of the resulting Bi2Te2.7Se0.3 compounds. Starting materials of Bi2O3, TeO2 and SeO2 were mechanical milled for homogeneous mixing, and then..... More

                       Web of Science 5  Crossref 6
    940 Effect of Grain Boundary Morphology on the High Temperature Tensile Properties of Developed Ni-Based Superalloy (LESS)
    Ni기 초내열 개발 합금(LESS)의 고온 인장특성에 미치는 결정립계 형상의 영향
    Yong Kwan Shin, Byung Il Kang, Jeong IL Youn, Yong Nam Kwon, Young Jig Kim
    신용관, 강병일, 윤정일, 권용남, 김영직
    Korean J. Met. Mater. 2022;60(12):940-949.   Published online 2022 Nov 25
    DOI: https://doi.org/10.3365/KJMM.2022.60.12.940

    In order to investigate the mechanical properties of the developed wrought γ'-hardened Ni-based superalloy, LESS alloy (Low Eta Sigma Superalloy), and to understand the deformation behavior, tensile tests were carried out from room temperature to 800oC in comparison with IN 740H alloy. Like other superalloys, the tensile properties of the..... More

                       Web of Science 4  Crossref 6
    188 Separation of Pd(II) and Zn(II) by Solvent Extraction using Commercial Extractants from Hydrochloric Acid Leaching Solution of Cemented Pd from Spent Electroplating Solutions
    도금폐액에 함유된 팔라듐의 아연치환물 염산침출액에서 상용화추출제를 이용한 용매추출로 팔라듐(II)과 아연(II)의 분리
    Si Jeong Song, Viet Nhan Hoa Nguyen, Man Seung Lee
    송시정, Viet Nhan Hoa Nguyen, 이만승
    Korean J. Met. Mater. 2022;60(3):188-197.   Published online 2022 Feb 8
    DOI: https://doi.org/10.3365/KJMM.2022.60.3.188

    The demand for palladium (Pd) has increased and this has made it necessary to recover pure Pd from diverse secondary resources. To recover the small amount of Pd(II) present in spent electroplating solutions, Pd(II) is concentrated by cementation with zinc metal. In this work, a hydrometallurgical process consisting of leaching..... More

                       Web of Science 5  Crossref 5
    272 Evaluation of Liquation Cracking Susceptibility of CM247LC Superalloy Repair Welds via Pre-Weld Varestraint Test
    Pre-weld Varestraint 시험을 이용한 CM247LC 초내열합금 보수용접부 액화균열 민감도 평가
    Ye-Seon Jeong, Jingon Jeong, Se-Yun Kim, Sung-Hwan Bae, Uijong Lee, Hyungsoo Lee, Seong-Moon Seo, Eun-Joon Chun
    정예선, 정진곤, 김세윤, 배성환, 이의종, 이형수, 서성문, 천은준
    Korean J. Met. Mater. 2022;60(4):272-281.   Published online 2022 Mar 28
    DOI: https://doi.org/10.3365/KJMM.2022.60.4.272

    In this study, the liquation cracking susceptibility in the heat-affected zone of CM247LC superalloy gas turbine blades during repair welding was quantitatively evaluated using a newly developed pre-weld Varestraint test method. The repair welding geometry was replicated through Varestraint tests for the pre-weld bead. The liquation cracking susceptibility, that is,..... More

                       Web of Science 3  Crossref 5
    455 Skinnerite Cu3SbS3: Solid-State Synthesis and Thermoelectric Properties
    Go-Eun Lee, Il-Ho Kim
    Korean J. Met. Mater. 2022;60(6):455-462.   Published online 2022 May 24
    DOI: https://doi.org/10.3365/KJMM.2022.60.6.455

    Skinnerite Cu3SbS3, which consists of non-toxic and low-cost elements, is a potential thermoelectric material, however, studies on its thermoelectric properties are limited. In this study, the optimal conditions of mechanical alloying (MA) and hot pressing (HP) for the synthesis of the Cu3SbS3 phase were investigated, and its thermoelectric properties were..... More

                       Web of Science 3  Crossref 5
    471 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

    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

                       Web of Science 5  Crossref 5
    873 Evaluation and Prediction of Formation of Heat-Affected Zone and Mechanical Properties According to Welding Method of STS 316L/A516-70N Clad Plates
    STS 316L/A516-70N 클래드 판재의 용접방법에 따른 열영향부 형성과 기계적 물성 특성 평가 및 예측
    Cheolhong Hwang, Myungwoo Joe, Sunhwan Kim, Doohee Han, Kyunghoon Yoo, Sungwoong Kim, Youngjoo Kim, Sangyeob Lee, Joonsik Park
    황철홍, 조명우, 김선환, 한두희, 유경훈, 김성웅, 김영주, 이상엽, 박준식
    Korean J. Met. Mater. 2022;60(12):873-883.   Published online 2022 Nov 25
    DOI: https://doi.org/10.3365/KJMM.2022.60.12.873

    Two welding methods of FCAW (Flux-cored arc welding) + FCAW, and FCAW + GTAW (Gas tungsten arc welding) were compared to identify effective routes for STS 316L/A516-70N clad stainless steel. Since the welding speed of the FCAW + GTAW welding method is slower than that of the FCAW + FCAW..... More

                       Web of Science 5  Crossref 5
    926 Transition to n-type Thermoelectric Conduction in Ni-doped FeSe2 Alloys
    Young Bin An, Sang Jeong Park, Okmin Park, Sang-il Kim
    Korean J. Met. Mater. 2022;60(12):926-932.   Published online 2022 Nov 25
    DOI: https://doi.org/10.3365/KJMM.2022.60.12.926

    We investigated the effect of Ni doping on the electrical, thermal, and thermoelectric transport properties of FeSe2 polycrystalline alloys. FeSe2 alloys exhibit both n-type and p-type conduction at different temperatures and thus their practicality as a thermoelectric material is somewhat limited. In this study, Fe1-xNixSe2 polycrystalline samples with x =..... More

                       Web of Science 4  Crossref 5
    472 Effect of Mg Content and Cooling Rate After Solidification on the Mechanical Properties of T5-treated Al-Si-Mg Alloy
    Al-Si-Mg합금에서 Mg함량과 주조응고 후 냉각속도가 T5 처리시 기계적 특성에 미치는 영향
    Hyeon-Woo Son, Tae-Min Koo, Young-Hee Cho, Jung-Moo Lee
    손현우, 구태민, 조영희, 이정무
    Korean J. Met. Mater. 2023;61(7):472-479.   Published online 2023 Jun 21
    DOI: https://doi.org/10.3365/KJMM.2023.61.7.472

    The effects of Mg content and cooling rate on the T5 treatment of Al-Si-Mg alloys have been investigated using Avrami kinetics and transmission electron microscopy. The alloys were super-heated at 800 oC for 1 hr followed by degassing treatment at 720 oC for 15 min, and poured into a metallic..... More

                       Web of Science 5  Crossref 5
    500 Highly Stretchable Strain Sensor with a High and Broad Sensitivity Composed of Carbon Nanotube and Ecoflex Composite
    카본나노튜브/Ecoflex 복합체로 제작된 고신축성 및 고감도 신축성 스트레인 센서
    Yuhwan Hwangbo, Hyun Jin Nam, Sung-Hoon Choa
    황보유환, 남현진, 좌성훈
    Korean J. Met. Mater. 2023;61(7):500-508.   Published online 2023 Jun 21
    DOI: https://doi.org/10.3365/KJMM.2023.61.7.500

    Wearable strain sensors with high and broad sensitivity, high stretchability and excellent mechanical endurance will be widely useful in smart wearable electronics. In this work, we developed a stretchable strain sensor fabricated with a simple stencil printing technique. The stretchable strain sensor was fabricated using a multi-walled carbon nanotubes (MWCNTs)-Ecoflex..... More

                       Web of Science 4  Crossref 5
    714 Effect of Oxygen Content on Microstructure and Mechanical Properties of Additive Manufactured Ti-6Al-4V
    산소함량에 따른 Ti-6Al-4V 적층제조 조형체의 미세조직 및 기계적 특성 변화
    Tae Jin Kang, P. L Narayana, Seong Woo Choi, Jae Hyuk Kim, Jae-Keun Hong, Taekyung Lee
    강태진, P.L. Narayana, 최성우, 김재혁, 홍재근, 이태경
    Korean J. Met. Mater. 2023;61(9):714-720.   Published online 2023 Aug 30
    DOI: https://doi.org/10.3365/KJMM.2023.61.9.714

    Titanium alloys are used in many fields including military, aerospace, and biomedical because of their excellent specific strength, corrosion resistance, and biocompatibility. Recently, much research has been focused on addressing the disadvantages of conventional manufacturing methods, including reducing material and energy waste when manufacturing titanium alloy parts by additive manufacturing..... More

                       Web of Science 4  Crossref 5
    35 Effect of Minor Alloying Elements (C, Ni, Cr, Mo) on the Long-Term Corrosion Behaviors of Ultrahigh-Strength Automotive Steel Sheet in Neutral Aqueous Environment
    자동차용 초고강도급 강재 내 미량 첨가된 합금원소 (C, Ni, Cr 및 Mo)가 중성 수용액 환경 내 장기 부식거동에 미치는 영향
    Hye Rin Bang, Jin-seong Park, Hwan Goo Seong, Sung Jin Kim
    방혜린, 박진성, 성환구, 김성진
    Korean J. Met. Mater. 2022;60(1):35-45.   Published online 2021 Dec 10
    DOI: https://doi.org/10.3365/KJMM.2022.60.1.35

    This study examined the effects of minor alloying elements (C, Ni, Cr, and Mo) on the long-term corrosion behaviors of ultrahigh-strength automotive steel sheets with a tensile strength of more than 1800 MPa. A range of experimental and analytical results showed that the addition of Ni, Cr, and Mo decreased..... More

                       Web of Science 5  Crossref 4
    46 Improving the Corrosion Resistance of AISI 316L Steel for Semiconductor Piping by Controlled Delta-Ferrite Content
    Young Woo Seo, Chan Yang Kim, Bo Kyung Seo, Won Sub Chung
    Korean J. Met. Mater. 2022;60(1):46-52.   Published online 2021 Dec 10
    DOI: https://doi.org/10.3365/KJMM.2022.60.1.46

    This study evaluated changes in delta-ferrite content depending on the preheating of AISI 316L stainless steel. We also determined the reasons for the variation in delta-ferrite content, which affects corrosion resistance. Changes in delta-ferrite content after preheating was confirmed using a Feritscope, and the microstructure was analyzed using optical microscopy..... More

                       Web of Science 4  Crossref 4
    502 Effect of Ethylene Glycol on the Dissolution of Palladium with HCl Solution Containing Oxidizing Agents and Selective Precipitation of Pd(IV) Compound
    Viet Nhan Hoa Nguyen, Si Jeong Song, Man Seung Lee
    Korean J. Met. Mater. 2022;60(7):502-510.   Published online 2022 Jun 3
    DOI: https://doi.org/10.3365/KJMM.2022.60.7.502

    There is growing interest in the recovery of pure palladium (Pd) compound from cemented Pd from spent electroplating solutions due to increasing demand for Pd, and there is considerable motivation to develop an efficient recovery process. In conventional methods of leaching Pd metal, HCl solutions containing oxidizing agents are employed...... More

                       Web of Science 4  Crossref 4
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