Practical limitations of TOFD on power station main steam pipework
This paper documents a case study investigating practical limitations of TOFD for weld defect monitoring on thermally cycled plant. It details the variables studied and the impact each has on the technique accurately sizing in-service cracks. It also looks at how changing plant operation
can affect NDT techniques. In addition ultrasonic phased array is looked at as both a complementary and alternative technique to TOFD.
Document Type: Research Article
Affiliations: Robert Quimby started work with RWE npower in September 2001 as a Graduate and then joined the Inspection Management Group in September 2002. He has a degree in Material Science and Engineering from Sheffield University and an MSc degree in Material Science from UMIST. He is currently at the end of the first year of the RCNDE Engineering Doctorate Scheme for Advanced Ultrasonics for Power Generation Applications. robert.quimbyrwenpower.com
Publication date: 01 September 2006
- Official Journal of The British Institute of Non-Destructive Testing - includes original research and development papers, technical and scientific reviews and case studies in the fields of NDT and CM.
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