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Korean J. Met. Mater.
2024;62(10):749-756. Published online 2024 Oct 5
DOI:
https://doi.org/10.3365/KJMM.2024.62.10.749
Abstract
The drawing process severely deforms commercial AA1070 alloy for electrical wire, reducing a rod from a diameter of 2.0 mm to 0.4 mm, followed by annealing. The annealing process was conducted at various temperatures ranging from 200℃ to 450℃, with each temperature maintained for 1hour. The effects of increasing annealing.....
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나노/마이크로 패턴 제작을 위한 급속열처리가 구리 박막의 기계 가공 특성에 미치는 영향
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황해인, 김수연, 조인호, 이승훈, 박아현, 김정환
Korean J. Met. Mater.
2024;62(9):740-747. Published online 2024 Sep 5
DOI:
https://doi.org/10.3365/KJMM.2024.62.9.740
Abstract
The semiconductor and display industries employ microfabrication and high-density technology to enhance the performance of IT products. Current micro-patterning methods primarily rely on photolithography. However, photolithography is a complex and expensive process, with limited freedom of pattern design, and involves dry etching methods that use toxic substances, which are harmful.....
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디스플레이 구동 칩 접합을 위한 시안화물이 포함되지 않은 Au 범프 공정 조건이 계면 반응 및 기계적 신뢰성에 미치는 영향
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김혜진, 김가희, 고용호, 백철민, 박주현, 박영배
Korean J. Met. Mater.
2024;62(9):726-734. Published online 2024 Sep 5
DOI:
https://doi.org/10.3365/KJMM.2024.62.9.726
Abstract
The effects of annealing temperature and thermal cycle conditions on the adhesion characteristics of non-cyanide Si/sputter TiW/sputter Au/Au bump structure were systematically investigated using a shear test. No intermetallic compound was observed at the TiW/Au interface at all annealing temperatures, and voids formed between the TiW and Au bump interface.....
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방열 모듈 적용을 위한 Cu/Sn-3.0Ag-0.5Cu/Al 접합부의 계면 반응 및 접합강도에 미치는 후속 열처리 영향 분석
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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, Cu
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Sn
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intermetallic compound (IMC) was formed at the upper Cu/SAC305 interface, while Ag
3
Al IMC was formed at the lower SAC305/Al interface, and a black layer of.....
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Web of Science 1
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금속박막의 고상 및 액상 비젖음 공정을 통한 AuNi 이종금속 나노입자의 자기 정렬 및 성분 혼합 제어
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문윤환, 박종근, 오용준
Korean J. Met. Mater.
2024;62(1):51-56. Published online 2023 Dec 29
DOI:
https://doi.org/10.3365/KJMM.2024.62.1.51
Abstract
Immiscible Au-Ni alloy thin films undergo phase separation and dewetting because of thermodynamic and morphological instability at elevated temperatures below the miscibility gap. We report the formation and assembly of bimetallic nanoparticles (BNPs) on topographic Si templates. An ordered array of inverted pyramidal pits were produced via solid-state and liquid-state.....
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항복강도 70 ksi급 전기저항용접 강관의 입열량 및 심 어닐링 온도에 따른 미세조직과 저온충격인성 상관관계 고찰
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김태훈, 김치원, 이찬희, 곽진섭, 전동현, 홍현욱
Korean J. Met. Mater.
2023;61(9):659-668. Published online 2023 Aug 30
DOI:
https://doi.org/10.3365/KJMM.2023.61.9.659
Abstract
In this study, the influence of heat input and post-seam annealing (PSA) temperature on the microstructure and impact toughness of electric resistance welded (ERWed) API X70 steel pipe was investigated. The ERW seam welds of pipes were fabricated with low, moderate, and high heat inputs, and followed by the PSA.....
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Web of Science 1
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Korean J. Met. Mater.
2023;61(7):459-471. Published online 2023 Jun 21
DOI:
https://doi.org/10.3365/KJMM.2023.61.7.459
Abstract
The degree to which parameters affect the spheroidization heat treatment of steel was calculated by setting the spheroidization heat treatment conditions of Cr-Mo steel and using data analysis such as S/N ratio and ANOVA. After analyzing the transformation temperatures of the steel, A
c1
and A
c3
, using a DSC, the.....
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표면적이 발달된 1.5 μm Ag 입자 기반 페이스트의 초고속 열압착 소결접합 및 열처리 효과
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김영중, 한병조, 이종현
Korean J. Met. Mater.
2022;60(11):827-836. Published online 2022 Oct 31
DOI:
https://doi.org/10.3365/KJMM.2022.60.11.827
Abstract
To rapidly sinter a bondline and obtain mechanical stability at high temperature and high thermal conductivity, 1.5 μm Ag particles with enhanced surface area were synthesized by a wet-chemical method, and a sinter-bonding paste containing these Ag particles was obtained. Some particles were present in the form of agglomerates of.....
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Web of Science 3
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Li 도핑에 따른 CuO 광전극의 광전기화학적 특성 개선 연구
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배성찬, 이성혁, 류혁현, 이원재
Korean J. Met. Mater.
2022;60(8):577-586. Published online 2022 Jul 12
DOI:
https://doi.org/10.3365/KJMM.2022.60.8.577
Abstract
We fabricated a Li doped CuO photoelectrode by doping CuO with Li to improve the photoelectrochemical properties of the CuO photoelectrode. The fabricated Li doped CuO photoelectrode was optimized by experimentally investigating Li doping concentration, annealing temperature, and spin coating deposition cycle. It was confirmed that Li doped CuO had.....
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Web of Science 6
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레이저 후열처리 공정을 통한 저온공정형 IGZO 박막 트랜지스터의 특성 개선에 관한 연구
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이재윤, Anvar Tukhtaev, 유수창, 김용환, 최성곤, 유흥균, 정용진, 김성진
Korean J. Met. Mater.
2022;60(8):557-563. Published online 2022 Jul 12
DOI:
https://doi.org/10.3365/KJMM.2022.60.8.557
Abstract
High-performance thin-film transistors (TFTs) produced at low temperatures are required for ultrahigh- resolution and flexible display applications. The scientific community has been studying unconventional techniques to investigate low voltage flexible devices and low power flexible circuits for the past decade. In particular, metal oxide semiconductors, such as indium gallium zinc.....
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Web of Science 2
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초음파 전열처리를 이용한 a-IGZO 트랜지스터의 향상된 전기적 성능과 바이어스 안정성
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이재윤, 유수창, 조한림, 최성곤, 유흥균, 정용진, 김성진
Korean J. Met. Mater.
2022;60(4):307-314. Published online 2022 Mar 28
DOI:
https://doi.org/10.3365/KJMM.2022.60.4.307
Abstract
Vacuum-processed oxide semiconductors have enabled incredible recent advances in the scientific research of metal oxide thin-film transistors (TFTs) and their introduction in commercial displays. Developing metal oxide transistors with low processing temperatures, on the other hand, remains a challenge. Metal oxide transistors are commonly produced at high processing temperatures (over.....
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최진주, 임병용, 강유빈, 김대근
Korean J. Met. Mater.
2021;59(11):796-801. Published online 2021 Oct 28
DOI:
https://doi.org/10.3365/KJMM.2021.59.11.796
Abstract
Compressed wires are produced by cross-sectionally compressing stranded conductors, which results in a smaller conductor diameter. This also leads to a lower weight wire, because a thinner external insulated coating can be used, compared to the low-voltage wires typically used in automobiles. However, a post production heat treatment of the.....
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Zr-2.5%Nb 압력관 재료에서
α
-Zr 영역에서의 소둔에 의한
β
-상 분해가 재결정에 미치는 영향
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김성수, 임상엽, 이경근
Korean J. Met. Mater.
2020;58(10):672-679. Published online 2020 Oct 5
DOI:
https://doi.org/10.3365/KJMM.2020.58.10.672
Abstract
The effects of β phase decomposition on recrystallization and texture variation in Zr-2.5% Nb alloy pressure tube material were investigated. Isothermal annealing was conducted at 350 to 550
o
C for 240 hours, and isothermal annealing was performed at 500
o
C for 240 to 3,000 hours. The recrystallization and texture variation.....
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Web of Science 1
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후열처리 공정이 스퍼터링법으로 제조된 NiTe
2
박막의 물리적 성질에 미치는 영향
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박호준, 이준호, 민병욱, 김석준
Korean J. Met. Mater.
2020;58(3):195-200. Published online 2020 Mar 5
DOI:
https://doi.org/10.3365/KJMM.2020.58.3.195
Abstract
In this study, the effect of post annealing time on the physical properties of NiTe
2
thin films with 2D structure deposited by co-sputtering was investigated. After heat treatment for 10 min, nickel ditelluride thin films with a composition of Ni : Te = 1 : 2 exhibited transmittance of 46%.....
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Web of Science 3
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압연온도 및 어닐링 온도에 따른 5052합금의 미세조직 및 기계적 성질
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강의구, 남원종
Korean J. Met. Mater.
2019;57(10):632-640. Published online 2019 Sep 23
DOI:
https://doi.org/10.3365/KJMM.2019.57.10.632
Abstract
The microstructural evolution and corresponding mechanical properties of 5052 Al alloys with different deformation temperatures and post-deformation annealing conditions were investigated. The warmrolled alloy showed higher strength and elongation than the cold-rolled and cryo-rolled alloys. The improved strength and ductility of warm rolled alloys is attributed to the formation of.....
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Web of Science 1
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Ti-44.5Ni-5Cu 및 Ti-45.2Ni-5Cu(at%) 합금의 형상기억특성에 미치는 어닐링온도의 영향
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김재일, 황광선
Korean J. Met. Mater.
2019;57(9):562-568. Published online 2019 Aug 21
DOI:
https://doi.org/10.3365/KJMM.2019.57.9.562
Abstract
The effect of annealing temperature on shape memory properties in the Ti-44.5Ni-5Cu and Ti-45.2Ni-5Cu(at%) alloys was investigated by differential scanning calorimeter (DSC) and tensile testing. The martensitic transformation temperature of Ti-44.5Ni-5Cu(at%) increased from 308K to 324K with increasing annealing temperature and did not change with further increasing annealing temperature. This.....
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Web of Science 2
Crossref 2
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Korean J. Met. Mater.
2019;57(8):506-509. Published online 2019 Aug 5
DOI:
https://doi.org/10.3365/KJMM.2019.57.8.506
Abstract
ZnO 50 nm/Ag 10 nm/SnO
2
50 nm (ZAS) tri-layer films were deposited on a glass substrate by RF and DC magnetron sputtering and then underwent rapid thermal annealing in a low vacuum of 1×10
-3
Torr to investigate the effects of post-deposition annealing on the optical and electrical properties of the.....
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Web of Science 5
Crossref 4
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RF 마그네트론 스퍼터링으로 증착한 산소 결핍 구조 TiO
2-x
박막 트랜지스터에 미치는 급속 열처리 온도의 영향
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김한상, 이재윤, 김성진
Korean J. Met. Mater.
2019;57(7):438-446. Published online 2019 Jun 5
DOI:
https://doi.org/10.3365/KJMM.2019.57.7.438
Abstract
We investigated the effect of rapid thermal annealing (RTA) temperature report on oxygendeficient rutile TiO
2-x
thin-film transistors deposited by RF magnetron sputtering. Amorphous TFTs that use TiO
2-x
semiconductors as an active layer can be fabricated by low-temperature process and show remarkable electrical performance. The RTA post-annealing process provides greater production.....
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Web of Science 1
Crossref 1
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고순도 구리 선재의 어닐링 후 불균질 미세조직과 집합조직에 미치는 신선 시 전단 변형의 영향
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박현, 김상혁, 김세종, 이효종
Korean J. Met. Mater.
2018;56(12):861-869. Published online 2018 Dec 5
DOI:
https://doi.org/10.3365/KJMM.2018.56.12.861
Abstract
To determine the origin of the inhomogeneous microstructure and texture observed in drawn and annealed high purity copper wires, two kinds of drawing process conditions and their influence was investigated. The regular condition, based on a symmetric die, and a condition designed intentionally to produce an inhomogeneous shear deformation using.....
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Crossref 4
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미세조직적 인자가 밀소둔된 Ti-6Al-4V 합금의 피로 및 피로균열전파 거동에 미치는 영향
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박상후, 김수민, 이다은, 안수진, 김상식
Korean J. Met. Mater.
2018;56(12):845-853. Published online 2018 Dec 5
DOI:
https://doi.org/10.3365/KJMM.2018.56.12.845
Abstract
To understand the effect of microstructural factors (i.e., the size of α phase, equiaxed vs bimodal structure) on high cycle fatigue (HCF) and fatigue crack propagation (FCP) behaviors of mill-annealed Ti-6Al- 4V (Ti64) alloy, three specimens of EQ (equiaxed)–8 (8 indicates the size of α grain), BM (bimodal)-8, and BM-.....
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Crossref 5
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극저온압연한 저탄소망간강의 초기 미세조직과 어닐링 조건이 기계적성질에 미치는 영향
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이종철, 남원종
Korean J. Met. Mater.
2018;56(8):551-560. Published online 2018 Aug 5
DOI:
https://doi.org/10.3365/KJMM.2018.56.8.551
Abstract
The effect of annealing on the microstructural evolution of the matrix in low carbon manganese steels with different initial microstructures, including martensite, bainite and a mixture of ferrite and pearlite, was investigated in conjunction with the charge in mechanical properties. During annealing, steels with a deformed ferrite + pearlite microstructure.....
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스프레이 코팅법으로 증착된 은나노선의 특성에 미치는 분산용매의 영향
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최지혜, 장아연, 김정희, 정중희, 홍기하
Korean J. Met. Mater.
2017;55(7):509-514. Published online 2017 Jul 4
DOI:
https://doi.org/10.3365/KJMM.2017.55.7.509
Abstract
Silver nanowire (AgNWs) networks offer a promising approach for producing cost effective transparent electrode materials. However, high temperature annealing is necessary to achieve low sheet resistance, which limits the use of AgNWs for low temperature processing applications such as flexible electronics, and perovskites solar cell fabrication. This study shows that.....
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Crossref 2
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염료감응형 태양전지용 니켈실리사이드 촉매재료의 물성 연구
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박태열, 김광배, 송오성
Korean J. Met. Mater.
2017;55(6):440-445. Published online 2017 Jun 1
DOI:
https://doi.org/10.3365/KJMM.2017.55.6.440
Abstract
We have investigated the properties of nickel silicides as catalysts for dye-sensitized solar cells (DSSCs) by preparing several nickel silicide layers with a 100 nm-Ni/Si (100) structure using silicidation annealing for 30 minutes at 300 ℃ – 900 ℃. X-ray diffraction (XRD), four-point probe, field emission scanning electron microscope (FE-SEM),.....
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Crossref 1
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고망간 경량철강 냉연판재의 미세조직, 인장특성 및 파괴거동에 미치는 어닐링 온도의 영향
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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....
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Crossref 7
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Korean J. Met. Mater.
2017;55(3):150-155. Published online 2017 Mar 3
DOI:
https://doi.org/10.3365/KJMM.2017.55.3.150
Abstract
In this study, the effect of α and β those stabilizers on the microstructure and phase transformation of cast Ti-6wt%Al-4wt%V alloy at various solution treatment temperatures was investigated. The dependence of the transformation behavior of the β phase during the solution treatment and its dependence was determined by the partitioning.....
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Crossref 3
Optical Devices & Energy Materials
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코발트실리사이드 상대전극을 채용한 염료감응형 태양전지의 물성 연구
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노윤영, 김광배, 송오성
Korean J. Met. Mater.
2017;55(1):39-45. Published online 2017 Jan 5
DOI:
https://doi.org/10.3365/KJMM.2017.55.1.39
Abstract
Cobalt silicide was used as a counter electrode to replace the Pt catalytic layer of a dye-sensitized solar cell (DSSC) device. 100 nm Si/ 100 nm Co on quartz was formed by sputtering and cobalt-silicides were formed by vacuum heat treatment at 500 ℃ and 700 ℃ for 30 min,.....
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니켈실리사이드 상대전극을 이용한 염료감응형 태양전지의 물성 연구
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김광배, 노윤영, 최민경, 송오성
Korean J. Met. Mater.
2016;54(8):615-620. Published online 2016 Aug 5
DOI:
https://doi.org/10.3365/KJMM.2016.54.8.615
Abstract
Nickel silicide was used as a counter electrode to replace the Pt catalytic layer of a dye-sensitized solar cell (DSSC) device. 50 nm Si/ 50 nm Ni was formed on glass or quartz by sputtering, and nickel silicides were formed by vacuum heat treatments at 450 and 800 ℃ for.....
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Crossref 2
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