SYMPOSIA PAPER Published: 01 January 1995

On the Effect of Mismatching on Structural Resistance of Welds


The usual fracture mechanics based concepts available to assess structural integrity have been developed for homogeneous structures. When considering cracks in welds, these methods assume that cracks are located in a material of uniform properties and neglect any difference of strain carrying capacity due to mismatching effects. The French Cracked Weld Research Programme (FCWRP, conducted by CEA, EDF, and FRAMATOME) has been in progress for the last three years to investigate how the effects of weld metal mismatch may affect structural resistance of welded structures. This paper gives an overview of the conclusions and results drawn from this program.

Author Information

Eripret, C
Electricité de France (EDF), Les Renardieres, Ecuelles, France
Franco, C
FRAMATOME, Tour Fiat, Paris-La-Défense, France
Gilles, P
FRAMATOME, Tour Fiat, Paris-La-Défense, France
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Developed by Committee: E08
Pages: 321–335
DOI: 10.1520/STP16392S
ISBN-EB: 978-0-8031-5311-0
ISBN-13: 978-0-8031-1996-3