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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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폐리튬 이차전지 황산침출용액에서 Cyanex 301에 의한 구리(II)의 선택적 추출
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이세아, 이만승
Korean J. Met. Mater.
2019;57(9):596-602. Published online 2019 Aug 21
DOI:
https://doi.org/10.3365/KJMM.2019.57.9.596
Abstract
Spent lithium ion batteries contain cobalt, copper, lithium, manganese and nickel. Recovery of these metals with high purity from spent lithium ion batteries is of importance. A sulfuric acid solution is generally employed for the treatment of spent lithium ion batteries, but it is difficult to separate these metal ions.....
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Korean J. Met. Mater.
2019;57(9):575-581. Published online 2019 Aug 21
DOI:
https://doi.org/10.3365/KJMM.2019.57.9.575
Abstract
Alloys of Fe-12Cr-0.3C-4Mn-(13, 14, 15)Cu (wt%) were cast using an induction furnace. They were structurally heterogeneous composites that consisted of a relatively stiff α-Fe matrix and a soft (Cu, Mn)-rich secondary phase. They were developed as self-lubricating, wear-resistant metals. Since the formation of oxides plays an important role in wear,.....
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Ni 및 Cu 첨가가 고온 산화된 자동차용 초고강도 강재의 부식 거동에 미치는 영향
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류승민, 성환구, 김정길, 황중기, 이만재, 오민석, 김성진
Korean J. Met. Mater.
2019;57(6):343-351. Published online 2019 May 16
DOI:
https://doi.org/10.3365/KJMM.2019.57.6.343
Abstract
The incomplete elimination of oxide scale formed during the normalizing process can result in severe degradation of the surface and mechanical properties of ultra-strong steels. This study revealed that the formation of oxide scale was highly dependent upon the alloying elements Ni and Cu. Ni-bearing steel showed a much higher.....
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광전 손실과 핀홀 생성의 억제를 통한 유연 투명 TiO
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/Cu/ZnO 전극의 최적화 연구
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정은욱, 이건환, 조영래, 윤정흠
Korean J. Met. Mater.
2019;57(5):316-323. Published online 2019 Apr 10
DOI:
https://doi.org/10.3365/KJMM.2019.57.5.316
Abstract
We demonstrated an effective method for fabricating a highly efficient flexible transparent electrode in an oxide/metal/oxide configuration based on an ultrathin Cu film. It exhibited low losses in optical transmittance and electrical conductivity while minimizing current loss due to pinhole-related leakages. The Cu film was developed on a chemically heterogeneous.....
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저융점합금 라인을 이용한 플렉시블 OLED 봉지
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배건, 문철희
Korean J. Met. Mater.
2019;57(4):251-257. Published online 2019 Apr 5
DOI:
https://doi.org/10.3365/KJMM.2019.57.4.251
Abstract
We have developed an encapsulation technology for OLED devices using an LMPA sealing line to enhance barrier characteristics against moisture and oxygen penetration. To verify the potential of this technology for flexible OLED devices, three experimental factors were investigated in this study. First, the stability of the sealing line on.....
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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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Korean J. Met. Mater.
2018;56(3):235-243. Published online 2018 Mar 6
DOI:
https://doi.org/10.3365/KJMM.2018.56.3.235
Abstract
The optimal design of electrical initiation devices for explosive charges and other high energy materials critically depends on the bridge burst or the electrical explosion of the thin-film metallic bridges. It is therefore quite important to select the right material with suitable explosion properties for the metallic bridge film. However,.....
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Korean J. Met. Mater.
2017;55(11):760-767. Published online 2017 Oct 31
DOI:
https://doi.org/10.3365/KJMM.2017.55.11.760
Abstract
The material characterization of single crystalline Cu columns was numerically carried out at the submicroscopic level. A molecular dynamics (MD) simulation was employed using the embedded-atom method (EAM) interatomic potential between a pair of Cu atoms to describe the interactions among Cu atoms. First, the relationship between mechanical properties and.....
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Cited By 1
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Korean J. Met. Mater.
2017;55(9):637-644. Published online 2017 Aug 30
DOI:
https://doi.org/10.3365/KJMM.2017.55.9.637
Abstract
In the photovoltaic industries, the main technique of metallization is screen printing with silver pastes, due to its simple and quick process. However, the high price of silver paste is one of the barriers to the producing of low cost solar cells. Consequently, a primary target in photovoltaic research is.....
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Korean J. Met. Mater.
2016;54(11):831-837. Published online 2016 Nov 5
DOI:
https://doi.org/10.3365/KJMM.2016.54.11.831
Abstract
Herein, we report the results of our investigation on the effect of friction and anvil design on the heterogeneous plastic-deformation characteristics of copper during the compressive stage of high-pressure torsion (HPT), using the finite element method. The results indicate that the friction and anvil geometry play important roles in the.....
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Cited By 2
Electronic Materials
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전해 동박의 표면 형상 및 기계적 물성에 미치는 SPS 첨가제 영향
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우태규
Korean J. Met. Mater.
2016;54(9):681-687. Published online 2016 Sep 5
DOI:
https://doi.org/10.3365/KJMM.2016.54.9.681
Abstract
In this study the effects of Bis(3-Sulfo-Propyl)di-Sulfide (SPS) on the elongation, surface morphology and crystal structure of electrolytic copper foil were investigated. Additives HEC (hydroxyethyl cellulose) (A), SPS(B), Coll-A(C) were used in the study, and the additive used as D was a Cl- ion. The study results show that there.....
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Cited By 2
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