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Inspection Qualification of Ultrasonic Inspection for RPV Safe End Narrow Gap Welding With Visualization of Laser Ultrasonic Detection Technology and Computerized Ultrasonic Simulation

[+] Author Affiliations
ShuXian Yuan, Ming Li, GuanBing Ma, XueZhu Xiao, TianMing Lv

CGNPC Inspection Technology Corporation, Suzhou, China

Paper No. ICONE21-15591, pp. V003T07A013; 8 pages
  • 2013 21st International Conference on Nuclear Engineering
  • Volume 3: Nuclear Safety and Security; Codes, Standards, Licensing and Regulatory Issues; Computational Fluid Dynamics and Coupled Codes
  • Chengdu, China, July 29–August 2, 2013
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 978-0-7918-5580-5
  • Copyright © 2013 by ASME


According to the method used in ENIQ (European Network of Inspection and Qualification), the performance demonstration of automatic ultrasonic inspection on the narrow-gap welds between the safe-ends (forging) and primary pipe (casting) in one PWR Nuclear Power Plant in China, was successfully finished. The visualization of the laser ultrasonic detection technology — which was introduced for the first time — and ultrasonic simulation technology, were used to study the dynamic propagation of the ultrasonic beam in the narrow-gap welds, in order to provide technical support for performance demonstration and field inspection.

Copyright © 2013 by ASME



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