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- In-situ 환원/소결법을 이용한 다공성 니켈 멤브레인 가스필터의 제조 및 평가
- 김남훈, 송한복, 최성철, 좌용호
- Fabrication and Characterization of Porous Nickel Membrane for High Precision Gas Filter by In-situ Reduction/Sintering Process
- Nam-Hoon Kim, Han-Bok Song, Sung-Churl Choi, Yong-Ho Choa
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Journal of Korean Powder Metallurgy Institute 2009;16(4):262-267
DOI: https://doi.org/10.4150/KPMI.2009.16.4.262
1한양대학교 공과대학 신소재공학과
2한양대학교 공학대학 정밀화학공학과
3한양대학교 공과대학 신소재공학과
4한양대학교 공학대학 정밀화학공학과
1Division of Materials Science Engineering, Hanyang University
2Department of Fine Chemical Engineering, Hanyang University
3Division of Materials Science Engineering, Hanyang University
4Department of Fine Chemical Engineering, Hanyang University
2한양대학교 공학대학 정밀화학공학과
3한양대학교 공과대학 신소재공학과
4한양대학교 공학대학 정밀화학공학과
1Division of Materials Science Engineering, Hanyang University
2Department of Fine Chemical Engineering, Hanyang University
3Division of Materials Science Engineering, Hanyang University
4Department of Fine Chemical Engineering, Hanyang University
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Abstract
Disk type porous nickel membrane was fabricated by in-situ reduction/sintering process using compacted NiO/PMMA (PMMA; Polymethyl methacrylate) mixture at 800°C in hydrogen atmosphere. The porosity (49sim58%) of these membrane was investigated as an amount of PMMA additive. The thermal decomposition and reduction behavior of NiO/PMMA were analyzed by TG/DTA in hydrogen atmosphere and the activation energy for the hydrogen reduction of NiO and thermal degradation of PMMA was calculated as 61.1 kJ/mol, evaluated by Kissinger method. Finally, the filtering performance and pressure drop were measured by particle counting system.
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