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Developments in Combined ARCMAC and Strain Mapping Systems for Creep Measurement

[+] Author Affiliations
Andy Morris

E.ON UK, Power Technology, Ratcliffe-on-Soar, Nottingham, UK

Chris Maharaj, Iain Palmer, Amit Puri, John Dear

Imperial College London, London, UK

Paper No. PVP2008-61118, pp. 521-528; 8 pages
doi:10.1115/PVP2008-61118
From:
  • ASME 2008 Pressure Vessels and Piping Conference
  • Volume 7: Operations, Applications and Components
  • Chicago, Illinois, USA, July 27–31, 2008
  • Conference Sponsors: Pressure Vessels and Piping
  • ISBN: 978-0-7918-4830-2 | eISBN: 0-7918-3828-5
  • Copyright © 2008 by ASME

abstract

The E.ON UK ARCMAC gauge has been developed to provide for point-to-point biaxial creep strain measurements. Research is continuing to provide for strain field mapping about the ARCMAC point-to-point monitoring system. The aim is to have comprehensive monitoring of creep strain in high temperature steam pipes including bends, joints, welds and other pipe structural features. A requirement is that all creep strain measurements made satisfy the standards of the UK National Physical Laboratory that maintain liaison with the standards authorities in other countries. Creep strain and other monitoring equipment for power-station steam pipes need to be rugged and suitable for the many different locations in which they are to be installed. Appropriate equipment is also required for capturing data at different times from the installed gauges. The use of strain mapping is particularly required when monitoring non uniform sections of pipes. Results to be presented will show the current state-of-art measurement techniques now available.

Copyright © 2008 by ASME
Topics: Creep

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