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Detection of creep degradation during pressure vessel testing using electromagnetic sensor technology
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Wilson, John W., Allen, David J., Peyton, Anthony J., Shibli, Ahmed and Davis, Claire (2017) Detection of creep degradation during pressure vessel testing using electromagnetic sensor technology. Materials at High Temperatures, 34 (5-6). pp. 448-457. doi:10.1080/09603409.2017.1375251 ISSN 0960-3409.
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WRAP-detection-creep-degradation-pressure-electromagnetic-Davis-2017.pdf - Accepted Version - Requires a PDF viewer. Download (1315Kb) | Preview |
Official URL: http://dx.doi.org/10.1080/09603409.2017.1375251
Abstract
9%Cr steels have been in use in power generation for over 20 years. Over this time, there have been a number of incidents of failure by Type IV cracking at welds initiating sub-surface, making surface inspection procedures unsuitable for crack detection. Replication to identify creep cavitation damage can potentially give an early warning of imminent cracking, but has proved unsuccessful in high Cr martensitic steels. Electromagnetic (EM) inspection can provide fast inspection of welded components with minimal surface preparation and some increase in inspection depth. This paper shows the results of accelerated creep tests carried out on a P91 pressure vessel, with EM inspections during regular test interruptions. The results show that EM inspection gave indications of damage in the latter stages of creep cavitation. EM is considered to have the potential for quick assessment of component through thickness damage, flagging up locations of potential problems for more detailed investigation.
| Item Type: | Journal Article | ||||||
|---|---|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||
| Journal or Publication Title: | Materials at High Temperatures | ||||||
| Publisher: | Routledge | ||||||
| ISSN: | 0960-3409 | ||||||
| Official Date: | 18 September 2017 | ||||||
| Dates: |
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| Volume: | 34 | ||||||
| Number: | 5-6 | ||||||
| Number of Pages: | 10 | ||||||
| Page Range: | pp. 448-457 | ||||||
| DOI: | 10.1080/09603409.2017.1375251 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||
| Date of first compliant deposit: | 24 October 2017 | ||||||
| Date of first compliant Open Access: | 18 October 2018 |
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