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Effects of Post-annealing Condition on Interfacial Reaction and Bonding Strength of Cu/Sn-3.0Ag-0.5Cu/Al Joint for Heat Dissipation Module Application
방열 모듈 적용을 위한 Cu/Sn-3.0Ag-0.5Cu/Al 접합부의 계면 반응 및 접합강도에 미치는 후속 열처리 영향 분석
Dong Ik Jeong, Gahui Kim, Doheon Kim, Minchul Oh, Geon-Hong Kim, Young-Bae Park
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, Cu6Sn5 intermetallic compound (IMC) was formed at the upper Cu/SAC305 interface, while Ag3Al IMC was formed at the lower SAC305/Al interface, and a black layer of..... More

                
Control of Self-Assembly and Elemental Mixing of AuNi Bimetallic Nanoparticles via Solid-State and Liquid-State Dewetting of Metal Thin Films
금속박막의 고상 및 액상 비젖음 공정을 통한 AuNi 이종금속 나노입자의 자기 정렬 및 성분 혼합 제어
Yoon Hwan Moon, Jong Geun Park, Yong Jun Oh
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..... More

                
A Study on the Relationship between Microstructure and Impact Toughness with Different Heat Inputs and Post-Seam Annealing Temperatures in API X70 Electric Resistance Welded Steel Pipe
항복강도 70 ksi급 전기저항용접 강관의 입열량 및 심 어닐링 온도에 따른 미세조직과 저온충격인성 상관관계 고찰
Tae-Hun Kim, Chiwon Kim, Chan-Hee Lee, Jinseop Kwack, Donghyeon Jeon, Hyun-Uk Hong
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..... More

                
Spheroidization Heat Treatment Conditions with Data Analysis in Medium Carbon Cr-Mo Steel for Ultra High Strength Cold Heading
Yong Deok Jo, Hui Ju Lee, Sung Yi, Byoung Lok Jang
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, Ac1 and Ac3 , using a DSC, the..... More

                
Paste Containing 1.5 m Ag Particles with Enhanced Surface Area: Ultrafast Thermo-Compression Sinter-Bonding and Annealing Effects
표면적이 발달된 1.5 μm Ag 입자 기반 페이스트의 초고속 열압착 소결접합 및 열처리 효과
Yeongjung Kim, Byeong Jo Han, Jong-Hyun Lee
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..... More

                   Web of Science 1  Crossref 2
Improvement of Photoelectrochemical Properties of CuO Photoelectrode by Li Doping
Li 도핑에 따른 CuO 광전극의 광전기화학적 특성 개선 연구
Seongchan Bae, Sunghyeok Lee, Hyukhyun Ryu, Won-Jae Lee
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..... More

                   Web of Science 1  Crossref 3
Improvement of Device Characteristics of Low Temperature IGZO Thin-film Transistors through Laser Post Annealing
레이저 후열처리 공정을 통한 저온공정형 IGZO 박막 트랜지스터의 특성 개선에 관한 연구
Jae-Yun Lee, Anvar Tukhtaev, Suchang Yoo, Yong-Hwan Kim, Seong-Gon Choi, Heung Gyoon Ryu, Yong Jin Jeong, Sung-Jin Kim
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..... More

                   Web of Science 1  Crossref 1
Enhanced Electrical Performance and Bias Stability of a-IGZO Thin-Film Transistor by Ultrasonicated Pre-annealing
초음파 전열처리를 이용한 a-IGZO 트랜지스터의 향상된 전기적 성능과 바이어스 안정성
Jae-Yun Lee, Suchang Yoo, Han-Lin Zhao, Seong-Gon Choi, Heung Gyoon Ryu, Yong Jin Jeong, Sung-Jin Kim
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..... More

                
Effect of Joule-Heating Treatment on the Microstructure and Physical Properties of 16-Stranded Compressed Copper Wires
Jin-Ju Choi, Byoungyong Im, Yubin Kang, Dae-Geun Kim
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..... More

                
Effect of Phase Decomposition on Recrystallization in -Zr Region in Zr-2.5%Nb Pressure Tube Material
Zr-2.5%Nb 압력관 재료에서 α-Zr 영역에서의 소둔에 의한 β-상 분해가 재결정에 미치는 영향
SungSoo Kim, Sang Yup Lim, Gyeong-Geun Lee
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 oC for 240 hours, and isothermal annealing was performed at 500 oC for 240 to 3,000 hours. The recrystallization and texture variation..... More

                   Web of Science 1  Crossref 1
The Effect of Post Annealing on Physical Properties of NiTe<sub>2</sub> Thin Film Fabricated by Magnetron Sputtering
후열처리 공정이 스퍼터링법으로 제조된 NiTe2 박막의 물리적 성질에 미치는 영향
Ho Jun Park, Jun Ho Lee, Byeong Uk Min, Suk Jun Kim
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 NiTe2 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%..... More

                   Web of Science 3  Crossref 3
Evolution of Microstructures and Mechanical Properties of 5052 Aluminum Alloys with Variation of Rolling and Annealing Temperatures
압연온도 및 어닐링 온도에 따른 5052합금의 미세조직 및 기계적 성질
Ui Gu Kang, Won Jong Nam
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..... More

                   Web of Science 1  Crossref 1
Effect of Annealing Temperature on the Shape Memory Properties of Ti-44.5Ni-5Cu and Ti-45.2Ni-5Cu(at%) Alloys
Ti-44.5Ni-5Cu 및 Ti-45.2Ni-5Cu(at%) 합금의 형상기억특성에 미치는 어닐링온도의 영향
Jae Il Kim, Kwang Sun Hwang
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..... More

                   Web of Science 2  Crossref 2
Effects of Rapid Thermal Annealing on the Structural, Optical, and Electrical Properties of ZnO/Ag/SnO<sub>2</sub> Tri-Layer Films
Su-Hyeon Choe, Yu-Sung Kim, Jin-Young Choi, Yun-Je Park, Byung-Chul Cha, Young-Min Kong, Daeil Kim
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/SnO2 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..... More

                   Web of Science 3  Crossref 3
Effect of Rapid Thermal Annealing Temperature on Oxygen-Deficient TiO<sub>2-x</sub>-based Thin-Film Transistors Deposited by RF Magnetron Sputtering
RF 마그네트론 스퍼터링으로 증착한 산소 결핍 구조 TiO2-x 박막 트랜지스터에 미치는 급속 열처리 온도의 영향
Han-Sang Kim, Jae-Yun Lee, Sung-Jin Kim
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 TiO2-x thin-film transistors deposited by RF magnetron sputtering. Amorphous TFTs that use TiO2-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..... More

                   Web of Science 1  Crossref 1
Effect of Shear Deformation During Drawing on Inhomogeneous Microstructures and Textures in High Purity Copper Wires After Annealing
고순도 구리 선재의 어닐링 후 불균질 미세조직과 집합조직에 미치는 신선 시 전단 변형의 영향
Hyun Park, Sang-Hyeok Kim, Se-Jong Kim, Hyo-Jong Lee
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..... More

                   Crossref 4
Effect of Microstructural Factors on Fatigue and Fatigue Crack Propagation Behaviors of Mill-Annealed Ti-6Al-4V Alloy
미세조직적 인자가 밀소둔된 Ti-6Al-4V 합금의 피로 및 피로균열전파 거동에 미치는 영향
Sanghoo Park, Sumin Kim, Daeun Lee, Soojin Ahn, Sangshik Kim
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-..... More

                   Crossref 5
Effects of Initial Microstructures and Annealing Conditions on Mechanical Properties of Cryo-rolled Low Carbon Manganese Steels
극저온압연한 저탄소망간강의 초기 미세조직과 어닐링 조건이 기계적성질에 미치는 영향
Jong Chul Lee, Won Jong Nam
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..... More

                
Effects of Dispersion Solvent on the Spray Coating Deposition of Silver Nanowires
스프레이 코팅법으로 증착된 은나노선의 특성에 미치는 분산용매의 영향
Ji-Hye Choe, A-Yeon Jang, Jeong-Heui Kim, Choong-Heui Chung, Ki-Ha Hong
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..... More

       Crossref 2
Properties of the Catalytic Nickel Silicides for a Dye-Sensitized Solar Cell
염료감응형 태양전지용 니켈실리사이드 촉매재료의 물성 연구
Taeyeul Park, Kwangbae Kim, Ohsung Song
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),..... More

       Crossref 1
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
       Crossref 7
The Effect of Al and V on Microstructure and Transformation of Phase during Solution Treatments of Cast Ti-6Al-4V Alloy
Seong-Tak Oh, Kee-Do Woo, Jae-Hwang Kim, Seung-Mi Kwak
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..... More

       Crossref 3
Optical Devices & Energy Materials
Properties of a Counter Electrode with Cobalt Silicides in a Dye Sensitized Solar Cell
코발트실리사이드 상대전극을 채용한 염료감응형 태양전지의 물성 연구
Yunyoung Noh, Kwangbae Kim, Ohsung Song
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,..... More

    
Properties of a Counter Electrode with Nickel Silicides in a Dye Sensitized Solar Cell
니켈실리사이드 상대전극을 이용한 염료감응형 태양전지의 물성 연구
Kwangbae Kim, Yunyoung Noh, Minkyoung Choi, Ohsung Song
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..... More

       Crossref 2
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