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Accurate Prediction of Large Ductile Tearing in Dissimilar Material Welds Using a Non-Local Gurson Model

[+] Author Affiliations
Rémi Lacroix, Julie Drouet, Sébastien Gallée

ESI France, Lyon, France

Stéphane Chapuliot

AREVA NP, Paris La Défense, France

Philippe Gilles

GEP-INT (SA), Paris La Défense, France

Paper No. PVP2016-63538, pp. V06AT06A008; 7 pages
  • ASME 2016 Pressure Vessels and Piping Conference
  • Volume 6A: Materials and Fabrication
  • Vancouver, British Columbia, Canada, July 17–21, 2016
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 978-0-7918-5042-8
  • Copyright © 2016 by ASME


The experimental assessment of ductile failure of Dissimilar Materials Welds (DMW) of NPP components can be challenging. For instance, the European project ADIMEW [1] has shown the technical complexity of the bending set-up on a DMW join at 300°C.

Such experiments are so scarce that their analysis is highly valuable to quantify the validity of alternative methods for assessing the ductile failure. This paper presents the application of the numerical simulation of ductile failure with a local approach in the case of the ADIMEW mock-up and discusses its validity.

Copyright © 2016 by ASME
Topics: Welded joints



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