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Calculation methods for thick walled components under creep fatigue - review and advanced concepts

: Oesterlin, H.; Maier, G.; Günther, P.


Karpanan, K. ; American Society of Mechanical Engineers -ASME-; American Society of Mechanical Engineers Pressure Vessels and Piping Division:
ASME Pressure Vessels and Piping Conference 2016. Proceedings. Vol.5: High-pressure technology : Presented at the ASME 2016 Pressure Vessels and Piping Conference, July 17-21, 2016, Vancouver, BC, Canada
New York/NY.: ASME, 2016
ISBN: 978-0-7918-5041-1
Paper PVP2016-64021, 9 pp.
American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Conference) <2016, Vancouver>
European Commission EC
Component Performance-driven Solutions for Long-Term Efficiency Increase in Ultra Supercritical Power Plants - MACPLUS
Conference Paper
Fraunhofer IWM ()
fatigue; creep-fatigue; assessment codes; ASME BPVC; R5; EN 12952; component test; P91; thick walled component; lifetime assessment

A full scale creep-fatigue test component made of P91 was developed and tested as part of the MACPLUS (European Union FP7) project. Current international standards for lifetime assessment for thick walled power plant components were applied. In addition an advanced concept based on creep-fatigue crack growth was also used in finite element simulations. The results are compared with each other and the measurements of the heavily instrumented component. Individual strength and weaknesses as well as general challenges for creep-fatigue lifetime assessment are analyzed and discussed.