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

doi:10.4150/KPMI.2009.16.4.262

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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; 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

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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.

Keywords: Nickel membrane;Gas filter;Filtering test;In-situ reduction/sintering;

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