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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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지역난방 노후 축열조의 부식 건전성 평가 및 고찰
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윤대호, 채호병, 김희산, 김정구, 김우철, 하태백, 장재혁, 정준철, 이수열
Korean J. Met. Mater.
2020;58(10):693-702. Published online 2020 Oct 5
DOI:
https://doi.org/10.3365/KJMM.2020.58.10.693
Abstract
The thermal storage tank in a district heating system is a component that stores excess heat during normal operation and releases the stored heat to increase the efficiency of the system, when the heat source is stopped or additional demands occur. Recently, an obsolete thermal storage tank was dismantled for.....
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초고강도강 저항 점용접 연속타점시 전극의 국부적 합금화 현상이 용접품질 저하에 미치는 영향 연구
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김재원, Siva Prasad Murugan, 강남현, 박영도
Korean J. Met. Mater.
2019;57(11):715-725. Published online 2019 Nov 5
DOI:
https://doi.org/10.3365/KJMM.2019.57.11.715
Abstract
Evaluation of electrode degradation in resistance spot welding of 1180TRIP steel was carried out through an electrode life test, and weldability testing was performed by the measurement of the nugget size, the peak load analysis and the measurement of the electrode tip size at 30 intervals. Analysis of the change.....
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광환원반응을 통한 TiO
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/Pd 복합광촉매 제조와 광촉매 특성
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이종호, 안홍주, 윤정일, 김영직, 서수정, 오한준
Korean J. Met. Mater.
2019;57(8):510-520. Published online 2019 Jul 8
DOI:
https://doi.org/10.3365/KJMM.2019.57.8.510
Abstract
To decompose dye in aqueous solution, Pd nanoparticle-decorated TiO
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nanotube photocatalysts were fabricated through electrochemical anodization and photoreduction processes. Morphological and surface characterization of the TiO
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/Pd heterojunction photocatalyst, as well as photoelectrochemical behaviors, were investigated by X-ray diffraction, UV/Vis diffuse reflectance and photocurrent response. It was found that the precipitated.....
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Cited By 1
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고체산화물 연료전지의 운전 조건에 따른 니켈 전극 황 피독 현상
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이호성, 이현미, 임형태
Korean J. Met. Mater.
2018;56(12):893-899. Published online 2018 Dec 5
DOI:
https://doi.org/10.3365/KJMM.2018.56.12.893
Abstract
In the present study, we investigated the sulfur poisoning of the Ni anode in solid oxide fuel cells (SOFCs) as a function of operating conditions. Anode supported cells were fabricated, and sulfur poising tests were conducted as a function of current density, H2S concentration and humidity in the anode gas......
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BCY 기반 고체산화물 연료전지의 내구성에 영향을 미치는 인자에 대한 연구
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배선영, 박미영, 이종규, 임형태
Korean J. Met. Mater.
2017;55(5):335-341. Published online 2017 May 9
DOI:
https://doi.org/10.3365/KJMM.2017.55.5.335
Abstract
Anode-supported yttria-doped barium cerate (BCY) electrolyte cells are fabricated and durability tests are conducted as a function of the current density (cell voltage sign), air flow rate, and BCY electrolyte thickness. As the air flow rate increases and the current density decreases (from negative to positive cell voltage), the cell.....
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