Stress based non-destructive evaluation using thermographic approaches: from laboratory trials to on-site assessment

R.C. Tighe, G.P. Howell, J.P. Tyler, S Lormor, Janice Barton

Research output: Contribution to journalArticle (Academic Journal)peer-review

17 Citations (Scopus)
137 Downloads (Pure)

Abstract

Vibration based loading has been successfully used to facilitate out of laboratory inspections using thermoelastic stress analysis enabling stress based non-destructive assessment of structures. An initial plate study verified the technique. A laboratory demonstrator of the on-site implementation was created to facilitate the development and assessment of a suitable loading device. The developed system was then taken on-site at a coal fired power station during a scheduled outage period. Vibration loaded thermoelastic stress analysis was successfully applied to welds in high pressure steam drain lines in-situ.
Original languageEnglish
Pages (from-to)76-88
Number of pages13
JournalNDT and E International
Volume84
Early online date31 Aug 2016
DOIs
Publication statusPublished - Dec 2016

Keywords

  • On-site application
  • Non-destructive evaluation
  • Stress assessment
  • Thermoelastic stress analysis

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