Evaluations of Hydrogen Permeation on TiN-20wt.%Co Membrane by Hot Press Sintering

Kyeong Il Kim; Sang Hern Kim; Whan Gi Kim; Soon Chul Ur; Tae Whan Hong

doi:10.4028/www.scientific.net/DDF.297-301.549

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HomeDefect and Diffusion ForumDefect and Diffusion Forum Vols. 297-301Evaluations of Hydrogen Permeation on TiN-20wt.%Co...

Evaluations of Hydrogen Permeation on TiN-20wt.%Co Membrane by Hot Press Sintering

Abstract:

Nowadays, the most promising methods for high purity hydrogen production are membranes separation such as polymer, metal, ceramic and composites. It is well known that Pd and Pd-alloys membranes have excellent properties for hydrogen separation. However, it has hydrogen embrittlement and high cost for practical applications. Therefore, most scientists have studied new materials instead of Pd and Pd-alloys. On the other hand, TiN powders are great in resistance to acids and chemically stable under high operating temperature. In order to get specimens for hydrogen permeation, the TiN powders synthesized were consolidated together with pure Co powders by hot press sintering. During the consolidation of powders at HPS, heating rate was 10K/min and the pressure was 10MPa. It was characterized by XRD, SEM, and BET. Also, we estimated the hydrogen permeability by Sievert's type hydrogen permeation membrane equipment.

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Periodical:

Defect and Diffusion Forum (Volumes 297-301)

Pages:

549-554

DOI:

https://doi.org/10.4028/www.scientific.net/DDF.297-301.549

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Online since:

April 2010

Authors:

Kyeong Il Kim, Sang Hern Kim, Whan Gi Kim, Soon Chul Ur, Tae Whan Hong

Keywords:

Co, Hot-Press Sintering, Hydrogen Permeation, Membrane, Surface Diffusion, TiN

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