Forschungs- & Entwicklungsinformationsdienst der Gemeinschaft - CORDIS

FP5

VOCALIST Berichtzusammenfassung

Project ID: FIKS-CT-2000-00090
Gefördert unter: FP5-EAECTP C
Land: France

Energy-based approach to account for the effects of crack-tip constraint on cleavage and ductile fracture

This result can be divided in two parts:
- Energy-based approach to account for the effects of crack-tip constraint on cleavage: developed at EDF.

- Energy-based approach to account for the effects of crack-tip constraint on ductile fracture: developed at CEA.

The aim of the result is to improve the methodologies used in Fracture Mechanics for structural assessment.

It needs further development to improve the efficiency of the approaches.

Nevertheless it can be already used in order to:
- Contribute for discussions with Regulatory bodies on the problem of safety margin factors,
- Be applied in internal projects of EDF and CEA related to lifetime extension of RPV.

Reported by

Electricité de France
1 Avenue du Général de Gaulle 1
92140 CLAMART
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