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The Effects of Partial Crystallinity on the Hydrogen Permeation Properties in Amorphous Metallic Systems

Published online by Cambridge University Press:  01 February 2011

Kyle S. Brinkman ,
Elise B Fox ,
Paul Korinko ,
Thad Adams  and
Arthur Jurgensen
Kyle S. Brinkman
Affiliation:
kyle.brinkman@srnl.doe.gov, Savannah River National Laboratory (SRNL), Materials Science and Technology Directorate, Aiken, South Carolina, United States
Elise B Fox
Affiliation:
elise.fox@srnl.doe.gov, Savannah River National Laboratory (SRNL), Materials Science and Technology Directorate, Aiken, South Carolina, United States
Paul Korinko
Affiliation:
paul.korinko@srnl.doe.gov, Savannah River National Laboratory (SRNL), Materials Science and Technology Directorate, Aiken, South Carolina, United States
Thad Adams
Affiliation:
Materials Science and Technology Directorate, Savannah River National Laboratory (SRNL) Aiken, SC 29808, U.S.A.
Arthur Jurgensen
Affiliation:
arthur.jurgensen@srnl.doe.gov, Savannah River National Laboratory (SRNL), Analytical Development, Aiken, South Carolina, United States
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Abstract

It is recognized that hydrogen separation membranes are a key component of the emerging hydrogen economy. A potentially exciting material for membrane separations are bulk metallic glass materials due to their low cost, high elastic toughness and resistance to hydrogen ‘embrittlement’ as compared to crystalline Pd-based membrane systems. However, at elevated temperatures and extended operation times structural changes including partial crystallinity may appear in these amorphous metallic systems. A systematic evaluation of the impact of partial crystallinity/devitrification on the diffusion and solubility behavior in multi-component Metallic Glass materials would provide great insight into the potential of these materials for hydrogen applications. This study will report on the development of time and temperature crystallization mapping and their use for interpretation of ‘in-situ’ hydrogen permeation at elevated temperatures.

Keywords

diffusionphase transformationionic conductor
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1126: Symposium S – Solid-State Ionics–2008 , 2008 , 1126-S09-13
Copyright
Copyright © Materials Research Society 2009

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References

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