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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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Zn-ion 배터리용 ZnMn
2
O
4
양극재의 입자 크기 증가를 통한 Mn
3+
용출 완화로 수명 증가
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박재영, 최영묵, 전상은
Korean J. Met. Mater.
2023;61(12):923-932. Published online 2023 Nov 30
DOI:
https://doi.org/10.3365/KJMM.2023.61.12.923
Abstract
ZnMn
2
O
4
(ZMO) cathode possesses a high theoretical capacity of 224 mAh g
-1
and high operating voltage (1.9 V vs. Zn
2+
/Zn) for aqueous Zn–ion batteries. However, the disproportionation reaction of Mn
3+
leads to Mn dissolution in the ZMO cathode, deteriorating lifespan. In this study, we attempted to reduce Mn dissolution by.....
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실리카 나노입자의 분산도가 주형의 항절강도에 미치는 영향
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김판성, 배민아, 백재호, 제정호, 이만식
Korean J. Met. Mater.
2022;60(6):478-487. Published online 2022 May 24
DOI:
https://doi.org/10.3365/KJMM.2022.60.6.478
Abstract
Sodium silicate solutions are used as an eco-friendly binder in the casting process. However, the strength of sand molds using the sodium silicate solutions is reduced because of their low humidity resistance. In this study, silica nanoparticles were added to a sodium silicate solution with a constant SiO
2
/Na
2
O ratio to.....
More
Crossref 1
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A7075-T6 합금에서 η' 석출상의 재고용이 기계적 특성에 미치는 영향
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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
Abstract
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
o
C or higher, elongation significantly increased and dissolution of the η′ phase occurred. η′ is the main hardening phase. After.....
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Web of Science 6
Crossref 6
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Al-Mg-Si 합금에서 열처리가 열확산도와 부식특성에 미치는 영향
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김유미, 최세원, 김영찬, 강창석
Korean J. Met. Mater.
2021;59(8):582-588. Published online 2021 Jul 5
DOI:
https://doi.org/10.3365/KJMM.2021.59.8.582
Abstract
The effect of the heat treatment on the Mg
2
Si phase in Al-Mg-Si alloy was investigated by a laser flash apparatus (LFA), Differential scanning calorimetry (DSC) and corrosion test. The alloy samples were solution treated at 590
o
C for a half hour followed by warm water quenching, and then aged in.....
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Web of Science 3
Crossref 4
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