Hydrogen permeability of glass-forming Ni-Nb-Zr-Ta crystalline membranes

Hong Seok Chin; Jin Yoo Suh; Kyoung Won Park; Wooyoung Lee; Eric Fleury

doi:10.1007/s12540-011-0802-z

Hydrogen permeability of glass-forming Ni-Nb-Zr-Ta crystalline membranes

Hong Seok Chin, Jin Yoo Suh, Kyoung Won Park, Wooyoung Lee, Eric Fleury

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

A crystalline form of a glass-forming Ni-Nb-Zr-Ta alloy was studied as a hydrogen permeation membrane working in the temperature range from 573 K to 773 K. The crystalline membrane composed of an Nb-rich phase in an Ni ₁₀Zr₇ matrix demonstrated a hydrogen permeation property superior to the membrane of the same chemical composition with an amorphous structure and the values of the hydrogen permeability were found to exceed those of the Pd-based membranes. However, the mechanical stability deteriorated significantly such that all membranes failed during hydrogen permeation. This indicates a larger sensitivity to hydrogen embrittlement in comparison with the same alloy in an amorphous state.

Original language	English
Pages (from-to)	541-545
Number of pages	5
Journal	Metals and Materials International
Volume	17
Issue number	4
DOIs	https://doi.org/10.1007/s12540-011-0802-z
Publication status	Published - 2011 Aug

Bibliographical note

Funding Information:
This research was supported by a grant (2008-C-CD11-P-09-0-0000) from R&D program for Energy & Resource funded by the Ministry of Knowledge Economy, Republic of Korea.

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Mechanics of Materials
Metals and Alloys
Materials Chemistry

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title = "Hydrogen permeability of glass-forming Ni-Nb-Zr-Ta crystalline membranes",

abstract = "A crystalline form of a glass-forming Ni-Nb-Zr-Ta alloy was studied as a hydrogen permeation membrane working in the temperature range from 573 K to 773 K. The crystalline membrane composed of an Nb-rich phase in an Ni 10Zr7 matrix demonstrated a hydrogen permeation property superior to the membrane of the same chemical composition with an amorphous structure and the values of the hydrogen permeability were found to exceed those of the Pd-based membranes. However, the mechanical stability deteriorated significantly such that all membranes failed during hydrogen permeation. This indicates a larger sensitivity to hydrogen embrittlement in comparison with the same alloy in an amorphous state.",

author = "Chin, {Hong Seok} and Suh, {Jin Yoo} and Park, {Kyoung Won} and Wooyoung Lee and Eric Fleury",

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AU - Chin, Hong Seok

AU - Suh, Jin Yoo

AU - Park, Kyoung Won

AU - Lee, Wooyoung

AU - Fleury, Eric

N1 - Funding Information: This research was supported by a grant (2008-C-CD11-P-09-0-0000) from R&D program for Energy & Resource funded by the Ministry of Knowledge Economy, Republic of Korea.

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N2 - A crystalline form of a glass-forming Ni-Nb-Zr-Ta alloy was studied as a hydrogen permeation membrane working in the temperature range from 573 K to 773 K. The crystalline membrane composed of an Nb-rich phase in an Ni 10Zr7 matrix demonstrated a hydrogen permeation property superior to the membrane of the same chemical composition with an amorphous structure and the values of the hydrogen permeability were found to exceed those of the Pd-based membranes. However, the mechanical stability deteriorated significantly such that all membranes failed during hydrogen permeation. This indicates a larger sensitivity to hydrogen embrittlement in comparison with the same alloy in an amorphous state.

AB - A crystalline form of a glass-forming Ni-Nb-Zr-Ta alloy was studied as a hydrogen permeation membrane working in the temperature range from 573 K to 773 K. The crystalline membrane composed of an Nb-rich phase in an Ni 10Zr7 matrix demonstrated a hydrogen permeation property superior to the membrane of the same chemical composition with an amorphous structure and the values of the hydrogen permeability were found to exceed those of the Pd-based membranes. However, the mechanical stability deteriorated significantly such that all membranes failed during hydrogen permeation. This indicates a larger sensitivity to hydrogen embrittlement in comparison with the same alloy in an amorphous state.

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Hydrogen permeability of glass-forming Ni-Nb-Zr-Ta crystalline membranes

Abstract

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