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  • Flaw acceptance criteria taking into consideration the NDT : Radiographic and ultrasonic testing - analysis through the fracture mechanics methods


The present study compares and evaluates the flaw acceptance criteria of non-destructive inspections meeting European Community standards, through the application of fracture mechanics methods. Shaved full-penetration butt welds of Class 1 components making up the primary circuit were considered and the following parameters varied: (i) standards: French, German, Italian (ASME III) and UK; (ii) material: AISI 316 and low alloy steel A 533; (iii) base material and weld metal; (iv) temperature: RT, 370 C for the austenitic and 260 C for the ferritic steel; (v) ultrasonic and radiographic methods; (vi) defect position: surface and internal; (vii) stress condition: situations with different primary and secondary stresses. The research undertaken has been limited to activities which perform a comparison and a general evaluation of the acceptance criteria of non-destructive testing.

Additional information

Authors: CAPURRO E, Ansaldo, Genova (IT);ALICINO F, Ansaldo, Genova (IT);CORVI A, University of Ancona (IT);REALE S, University of Florence (IT)
Bibliographic Reference: EUR 14698 EN (1993) 96 pp., FS, ECU 11.50
Availability: (2)
ISBN: ISBN 92-826-6452-X
Record Number: 199311419 / Last updated on: 1994-11-28
Original language: en
Available languages: en
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