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Korean J. Met. Mater.
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저자 색인
Author Index
Volume 59(12); Dec 2021
Review Paper
849
A Brief Review on the Ferroelectric Fluorite-Structured Nanolaminate
강유전성 플루오라이트 구조 기반 나노라미네이트 리뷰
Kun Yang, Ju Yong Park, Dong Hyun Lee, Se Hyun Kim, Geun Taek Yu, Geun Hyeong Park, Eun Been Lee, Je In Lee, Min Hyuk Park양건, 박주용, 이동현, 김세현, 유근택, 박근형, 이은빈, 이제인, 박민혁
Korean J. Met. Mater.
2021;59(12):849-856. Published online 2021 Nov 19
DOI:
https://doi.org/10.3365/KJMM.2021.59.12.849
Abstract
Ferroelectricity can be induced in fluorite-structured oxides such as HfO
2
and ZrO
2
, a feature of increasing interest in both academia and industry. Initially, most research focused on solid solution films, but recently, it has been suggested that nanolaminates with independent HfO
2
and ZrO
2
layers may show electrical and physical properties.....
More
Research Papers
857
Development of Light-Weight TRIP/TWIP FCC High Entropy Alloy with High Specific Strength and Large Ductility
고비강도와 고연신을 가지는 다중변형기구 하이엔트로피 합금 개발
Kook Noh Yoon, Hyun Seok Oh, Je In Lee, Eun Soo Park윤국노, 오현석, 이제인, 박은수
Korean J. Met. Mater.
2021;59(12):857-869. Published online 2021 Nov 19
DOI:
https://doi.org/10.3365/KJMM.2021.59.12.857
Abstract
In this study we developed a novel (TRIP+TWIP) high entropy alloy (HEA) with high specific strength and large ductility. First, by controlling the atomic constitution of the 3d transition metals (Cr, Mn, Fe, Co, and Ni), we designed a light-weight TRIP-assisted dual-phase HEA with a non-equiatomic composition of Cr
22
Mn
6
Fe
40
Co
26
Ni
6
, which.....
More
Web of Science 1
Crossref 1
870
Microstructure and Wear Properties of Al 7075 Alloy Manufactured by Twin-Roll Strip Casting Process
Twin-Roll Strip Casting 공정으로 제조된 Al 7075 합금의 미세조직 및 마모 특성
Kyoung-Wook Kim, Min-Seok Baek, Kwangjun Euh, Kee-Ahn Lee김경욱, 백민석, 어광준, 이기안
Korean J. Met. Mater.
2021;59(12):870-879. Published online 2021 Nov 19
DOI:
https://doi.org/10.3365/KJMM.2021.59.12.870
Abstract
Al 7075 alloy was manufactured using the twin-roll strip casting (TRC) process, and the mechanical and wear properties of the fabricated TRC process were investigated. To compare the properties of the alloy manufactured by TRC, another Al 7075 alloy was fabricated by conventional direct chill (DC) casting as a comparative.....
More
Web of Science 2
Crossref 1
880
Formation of Surface-Wrinkled Metal Nanosheets via Thermally Assisted Nanotransfer Printing
열보조 나노 전사 프린팅을 통한 금속 박막의 표면 주름 나노패턴 형성 방법
Tae Wan Park, Woon Ik Park박태완, 박운익
Korean J. Met. Mater.
2021;59(12):880-885. Published online 2021 Nov 19
DOI:
https://doi.org/10.3365/KJMM.2021.59.12.880
Abstract
Nanopatterning methods for pattern formation of high-resolution nanostructures are essential for the fabrication of various electronic devices, including wearable displays, high-performance semiconductor devices, and smart biosensor systems. Among advanced nanopatterning methods, nanotransfer printing (nTP) has attracted considerable attention due to its process simplicity, low cost, and great pattern resolution. However,.....
More
886
Effects of Rotation Speed on Microstructure and Mechanical Properties in Ti/Cu Dissimilar Friction Stir Welding
Ti/Cu 이종 마찰 교반 용접 시 미세조직과 기계적 특성에 미치는 회전속도의 영향
Yong-Jae Lee, Won-Ki Jung, Se-Eun Shin, Dong-Geun Lee이용재, 정원기, 신세은, 이동근
Korean J. Met. Mater.
2021;59(12):886-892. Published online 2021 Nov 19
DOI:
https://doi.org/10.3365/KJMM.2021.59.12.886
Abstract
The dissimilar welding of titanium and copper by fusion welding is very difficult because the melting points of the materials are very highly different and strong brittle intermetallic compounds (IMCs) can be easily produced in welded zone and heat-affected zone, etc. Friction stir welding was employed as a type of.....
More
Web of Science 3
Crossref 4
893
The Effect of Preheating Current on the Melting Behavior of Bolt Projection Welding of Al-Si Coated Hot-Stamped Boron Steel
Al-Si 도금된 핫스탬핑 보론강의 볼트 프로젝션 용접시 예열 통전이 용융 거동에 미치는 영향
Jae-Hun Kim, Hyun-Uk Jun, Joo-Yong Cheon, Jae-won Kim, Jae-deuk Kim, Changwook Ji김재훈, 전현욱, 천주용, 김재원, 김재득, 지창욱
Korean J. Met. Mater.
2021;59(12):893-903. Published online 2021 Nov 19
DOI:
https://doi.org/10.3365/KJMM.2021.59.12.893
Abstract
This study evaluated the effect of preheating on early stage melting behavior of a Al-Si coated hot stamped boron steel bolt during projection welding. A large amount of heat was generated in the early stage of projection welding. Because of the large heat generation, a rapid collapse of the projection.....
More
Crossref 2
904
Synthesis of Nb
0.8
Hf
0.2
FeSb
0.98
Sn
0.02
and Hf
0.25
Zr
0.25
Ti
0.5
NiSn
0.98
Sb
0.02
Half-Heusler Materials and Fabrication of Thermoelectric Generators
Sung-Jae Joo, Ji-Hee Son, JeongIn Jang, Bong-Seo Kim, Bok-Ki Min
Korean J. Met. Mater.
2021;59(12):904-910. Published online 2021 Nov 19
DOI:
https://doi.org/10.3365/KJMM.2021.59.12.904
Abstract
In this study, half-Heusler (HH) thermoelectric materials Nb
0.8
Hf
0.2
FeSb
0.98
Sn
0.02
(p-type) and Hf
0.25
Zr
0.25
Ti
0.5
NiSn
0.98
Sb
0.02
(n-type) were synthesized using induction melting and spark plasma sintering. For alloying, a conventional induction melting technique was employed rather than arc melting, for mass production compatibility, and the thermoelectric properties of the materials were analyzed. The maximum dimensionless.....
More
Web of Science 2
Crossref 2
911
Exploring Binder and Solvent for Depositing Activated Carbon Electrode on Indium–Tin-Oxide Substrate to Prepare Supercapacitors
슈퍼커패시터 전극 제조시 Indium-Tin-Oxide기판 위 활성탄 증착에 적합한 바인더와 용매 소재
Young Mook Choi, Sang-Eun Chun최영묵, 전상은
Korean J. Met. Mater.
2021;59(12):911-920. Published online 2021 Nov 19
DOI:
https://doi.org/10.3365/KJMM.2021.59.12.911
Abstract
Supercapacitor electrode slurry is prepared for mass production by mixing activated carbon powder, conductive agent, and binder, which is then deposited on a substrate using the doctor-blade method. Polyvinylidene fluoride (PVDF) and 1-methyl-2-pyrrolidone (NMP) are used as binder and solvent, respectively, to form the electrode slurry on a metal substrate......
More
Web of Science 2
Crossref 2
921
Shielding Analysis of Metal Hydride-based Materials for Both Neutron and Gamma Rays Using Monte Carlo Simulation
Jeongkwon Kwak, Boravy Muth, Hyeon-Woo Yang, Chang Je Park, Woo Seung Kang, Sun-Jae Kim
Korean J. Met. Mater.
2021;59(12):921-925. Published online 2021 Nov 19
DOI:
https://doi.org/10.3365/KJMM.2021.59.12.921
Abstract
Radiation causes damage to the human body, the environment, and electronic equipment. Shielding against neutron and gamma rays is particularly difficult because of their strong ability to penetrate materials. Conventional gamma ray shields are typically made of materials containing Pb. However, they pose problems in that Pb is a heavy.....
More
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