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ASM Handbook

Welding, Brazing and Soldering

Edited by
David LeRoy Olson
David LeRoy Olson
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Thomas A. Siewert
Thomas A. Siewert
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Stephen Liu
Stephen Liu
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Glen R. Edwards
Glen R. Edwards
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ASM International
Volume
6
ISBN electronic:
978-1-62708-173-3
Publication date:
1993
Book Chapter

Diffusion Brazing

By
W. Daniel Kay
W. Daniel Kay
Wall Colmonoy Corporation
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Published:
1993
Page range:
343 - 344

Abstract

Diffusion brazing (DFB) is a process that coalesces, or joins, metals by heating them to a suitable brazing temperature at which either a preplaced filler metal will melt and flow by capillary attraction or a liquid phase will form in situ between one faying surface and another. This article discusses the two critical aspects of DFB, namely, a liquid filler metal must be formed and become active in the joint area and extensive diffusion of filler metal elements into the base metal must occur. It schematically illustrates a diffusion process that results in the loss of identity of original brazed joint. The article also discusses the advantages of DFB.

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W. Daniel Kay, 1993. "Diffusion Brazing", Welding, Brazing and Soldering, David LeRoy Olson, Thomas A. Siewert, Stephen Liu, Glen R. Edwards

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