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The Effect of Composition on the Wetting Behavior and Joint Strength of the Ag-CuO Reactive Air Braze

Published online by Cambridge University Press:  11 February 2011

K. Scott Weil ,
Chris A. Coyle ,
Jin Yong Kim  and
John S. Hardy
K. Scott Weil
Affiliation:
Department of Materials Science, Pacific Northwest National Laboratory, Richland, WA 99352, U.S.A.
Chris A. Coyle
Affiliation:
Department of Materials Science, Pacific Northwest National Laboratory, Richland, WA 99352, U.S.A.
Jin Yong Kim
Affiliation:
Department of Materials Science, Pacific Northwest National Laboratory, Richland, WA 99352, U.S.A.
John S. Hardy
Affiliation:
Department of Materials Science, Pacific Northwest National Laboratory, Richland, WA 99352, U.S.A.
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Abstract

As interest in high temperature electrochemical membrane devices for energy and gas generation has intensified, it has become apparent that developing an appropriate method of hermetically joining the ceramic and metallic components in these devices will be critical to their success. A recently developed technique referred to as reactive air brazing (RAB) has shown promise in the joining of components for planar solid oxide fuel cells (pSOFC) and oxygen generators. In the study described below, the relationship between braze composition, substrate wetting, and joint strenth was investigated to gain further understanding of the RAB process. It was found that braze wettability and joint strength are inversely related for the simple binary Ag-CuO braze system.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 756: Symposia EE/FF – Solid-State Ionics – Materials for Fuel Cells and Fuel Processors , 2002 , FF4.4
Copyright
Copyright © Materials Research Society 2003

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References

REFERENCES

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