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Consideration of Irradiation Effect in Components Design: Illustration of a Way to Introduce an Environmental Effect in the Design Process

[+] Author Affiliations
C. Pétesch, T. Lebarbé

CEA Saclay, Gif sur Yvette, France

C. Pascal

AREVA TA, Saint Paul Lez Durance, France

S. Dubiez-Le Goff

Areva NP SAS, Lyon, France

Paper No. PVP2016-63567, pp. V003T03A040; 8 pages
  • ASME 2016 Pressure Vessels and Piping Conference
  • Volume 3: Design and Analysis
  • Vancouver, British Columbia, Canada, July 17–21, 2016
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 978-0-7918-5039-8
  • Copyright © 2016 by ASME


During the last years, a particular attention has been paid to the consideration and evaluation of environmental effects in the design of mechanical components, particularly for the consequences of Pressure Water Reactors environment on fatigue damages. In the frame of RCC-MRx design code, developed for Sodium Fast Reactors (SFR), Research Reactors (RR) and Fusion Reactors (FR-ITER), the specific features are creep damage (covered by the design rules responding to the needs of fast breeder reactors and high temperatures) and irradiated material (covered by the design rules responding to the needs of research reactors developed for the JHR project).

The purpose of this document is to detail the way to consider an environmental effect such irradiation in the material design rules. It covers:

- the background for these rules, linked with the changes in materials behavior,

- their content, in term of damage impact,

- and the challenges to be met for their development to other applications.

Copyright © 2016 by ASME



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