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Fatigue life prediction on ni-base thermal solar receiver tubes

von Hartrott, Philipp and Schlesinger, Michael and Uhlig, Ralf and Jedamski, Jens (2010) Fatigue life prediction on ni-base thermal solar receiver tubes. In: referiert. 9th Liège Conference on Materials for Advanced Power Engineering, 27.-29. Sept. 2010, Liège, Belgium.

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Solar receivers for tower type Solar Thermal Power Plants are subjected to complex thermo-mechanical loads including fast and severe thermo-mechanical cycles. The material temperatures can reach more than 800 °C and fall to room temperature very quickly. In order to predict the fatigue life of a receiver design, receiver tubes made of Alloy 625 with a wall thickness of 0.5 mm were tested in isothermal and thermo-cyclic experiments. The number of cycles to failure was in the range of 100 to 100,000. A thermo-mechanical fatigue life prediction model was set up. The model is based on the cyclic deformation of the material and the damage caused by the growth of fatigue micro cracks. The model reasonably predicts the experimental results.

Item URL in elib:https://elib.dlr.de/83599/
Document Type:Conference or Workshop Item (Paper)
Title:Fatigue life prediction on ni-base thermal solar receiver tubes
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Schlesinger, MichaelFraunhofer Institut für Werkstoffmechanik IWM, FreiburgUNSPECIFIEDUNSPECIFIED
Jedamski, JensDLR - Institut für SolarforschungUNSPECIFIEDUNSPECIFIED
Journal or Publication Title:referiert
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Thermo-mechanical fatigue, TMF, Nickel base alloy, solar receiver, CSP
Event Title:9th Liège Conference on Materials for Advanced Power Engineering
Event Location:Liège, Belgium
Event Type:international Conference
Event Dates:27.-29. Sept. 2010
HGF - Research field:Energy
HGF - Program:Renewable Energies
HGF - Program Themes:Concentrating Solar Systems (old)
DLR - Research area:Energy
DLR - Program:E SF - Solar research
DLR - Research theme (Project):E - Punktfokussierende Systeme (old)
Location: Stuttgart
Institutes and Institutions:Institute of Solar Research
Deposited By: Uhlig, Tamara
Deposited On:29 Jul 2013 16:40
Last Modified:29 Jul 2013 16:40

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