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Lookup NU author(s): Professor Gui Yun TianORCiD, Dr Liang Cheng
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After review of defects in nuclear reactor plants, this paper exhibits novel electromagnetic (EM) non-destructive testing and evaluation (NDT & E) for defect and material characterisation of nuclear fuel materials. Through comparison with traditional method for nuclear material inspection, e.g. X-Ray and phase array, EM NDT&E show advantages in non-contact inspection. Several recent development EM NDT & E techniques are reported and several case studies are investigated and discussed. Results show pulsed eddy current (PEC) can measure the stress and defect via the normalised Delta B-z features. The bigger stress results in the larger amplitude on normalised Delta B-z response. Magnetic Barkenhasuen noise (MBN) can measure the strain status via the RMS of Barkhausen noise amplitude. The RMS value decreases as the increase in strain. Eddy current pulsed thermography (ECPT) can be used for welding detection and characterisation through 'highlighting' the welding in thermal images. ECPT and MBN methods are also compared with traditional X-Ray and phase array methods for the inspection of welding samples. The comparison shows the competitive capability of ECPT in welding detection and evaluation. This paper demonstrates PEC, MBN and ECPT as good candidates for nuclear fuel materials.
Author(s): Tian GY, Cheng L, Cheng YH, Yang F
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: 21st International Conference on Nuclear Engineering
Year of Conference: 2014
Publisher: American Society of Mechanical Engineers
URL: http://dx.doi.org/10.1115/ICONE21-16858
DOI: 10.1115/ICONE21-16858
Library holdings: Search Newcastle University Library for this item
ISBN: 9780791855782
