ACOUSTIC EMISSION MEASUREMENTS DURING FATIGUE LOADING OF SCALED PWR VESSEL AT J.R.C. ISPRA
The EEC Joint Research Centre at Ispra are conducting fatigue tests on 1/5th scale models of PWR primary vessel, in the frame of the Primary Circuit Component Lifetime Prediction Project - Acoustic emission measurements were made during hydrotests and fatigue cycling: continuously by JRC and CISE, periodically by UKAEA. Some significant sources were detected and correctly located, also through the thickness. The fatigue propagation of a near the cladding microdefect (which gave some clear events during the first hydrotest) was clearly detected only during the last 30,000 cycles preceding the leak.
Bibliographic Reference: 9TH SMIRT PRE-CONFERENCE ON ACOUSTIC EMISSION, STUTTGART (GERMANY) AUG. 12-13, 1987 WRITE TO CEC LUXEMBOURG, DG XIII/A2, POB 1907 MENTIONING PAPER E 33576 ORA
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Record Number: 1989126026901 / Last updated on: 1989-01-01
Available languages: en