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|Title:||ENIQ 2nd Pilot Study - Summary and Conclusions|
|Authors:||ERIKSSON ARNE; WHITTLE JOHN|
|Other Contributors:||SELDIS THOMAS|
|Citation:||Proceedings of the fifth international conference on NDE in relation to structural integrity for nuclear and pressurised components p. 1-5|
|Publisher:||Publications Office of the European Union|
|Type:||Contributions to Conferences|
|Abstract:||The paper presents a summary of reverse engineering of complex defects (crack-like EDM notches and other surface-breaking defects) performed on reference blocks used to validate the phased array inspection on low-pressure turbine components manufactured by Alstom/ABB and Siemens/Parsons. The scope of this program, which started in 1998 and is on going, is to assess the capability demonstration and procedure improvement for large-scale in-situ inspections. The following technical aspects are presented: reverse engineering of fatigue and stress corrosion cracks using Kubotek-Key Creator software, importing files in Imagine 3D ray tracing and ultrasonic simulation software and phased array results on 3-D crack-like EDM notches. A comparison with real UT data from serviceinduced cracks is also presented and discussed. Based on these results, Inspection and Maintenance Services – Ontario Power Generation incorporated this technology in feasibility studies and capability demonstration programs for low-pressure turbine components. 3-D data plotting into part and scanning animation are also presented and discussed.|
|JRC Institute:||Institute for Energy and Transport|
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