Title: Experimental and Numerical Assessment of Thermal Fatigue Damage for 316L and P91 Components at Elevated Temperature
Authors: NILSSON Karl-FredrikDOLCI FRANCESCOFISCHER BurkhardSELDIS ThomasRIPPLINGER Stefan
Publisher: IGCAR
Publication Year: 2016
JRC N°: JRC99062
URI: http://www.cf-7.in/pdf/Invited_speakers.pdf
http://publications.jrc.ec.europa.eu/repository/handle/JRC99062
Type: Articles in periodicals and books
Abstract: This paper presents thermal fatigue tests and analysis of thick-walled pipes of 316L and P91 steels at 550°C with different levels of axial load. The evolution of the cracking is measured with X-ray tomography and time-of-flight diffraction. The fatigue life modelling is based on a thermal analysis and elastic-plastic stress analysis plasticity corrected stress intensity factors. Considering the complexity of the loading and crack development the applied engineering model predicts the observed fatigue life quite well.
JRC Directorate:Energy, Transport and Climate

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