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Abstract

The work deals with the stress and fracture mechanics analysis, applied to the safety and reliability assessment of the JRC-Ispra 1/5th scale PWR pressure vessel. Behaviour of the nozzle corner region during phase one of the fatigue test has been examined. The approach to the problem is presented and adopted in the work, based on the finite element, three dimensional non- linear stress analysis, the results of which are used for the determination of the relevant fracture mechanics parameters: strain energy release rate, "it J/" integral, stress intensity factor, and probabilistic fatigue crack growth rate. The experimental results obtained and those from the literature, confirm the results obtained analytically.

Additional information

Authors: JOVANOVIC A, JRC-ISPRA;LUCIA A C, JRC-ISPRA;BRUNNHUBER R, JRC-ISPRA;ELBAZ J M, JRC-ISPRA;SCHWARZ U JRC-ISPRA, JRC-ISPRA
Bibliographic Reference: EUR 11023 EN (1987) FS, PP 98, BFR 350, AVAILABILITY: CEC-LUXEMBOURG, BP 1003, GDL
Availability: Can be ordered online
Record Number: 1989126070100 / Last updated on: 1989-05-01
Category: PUBLICATION
Available languages: en