This paper presents numerical study to predict crack growth rate under fatigue loading in a high pressure cylinder wall made of high strength steel. Experimental fatigue crack growth data on three point bending test samples were applied to simulate and predict crack growth process using detailed three dimensional parametric finite element models. The fatigue crack propagation was based on linear elastic fracture mechanics and stress intensity factor determination. Finite element model provides results of crack growth analysis optimized for the stress levels of operating pressure level. Results are plotted on S-N curves and the disparity was explained in terms of crack growth rates near threshold stress intensity factor range. Results were compared with an experimental fatigue test.
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ASME 2010 Pressure Vessels and Piping Division/K-PVP Conference
July 18–22, 2010
Bellevue, Washington, USA
Conference Sponsors:
- Pressure Vessels and Piping Division
ISBN:
978-0-7918-4924-8
PROCEEDINGS PAPER
The Model of Fatigue Crack Growth in High Pressure Cylinder Wall
Jan Brumek,
Jan Brumek
VSˇB-TU Ostrava, Ostrava, Czech Republic
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Bohumir Strnadel,
Bohumir Strnadel
VSˇB-TU Ostrava, Ostrava, Czech Republic
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Ivo Dlouhy´
Ivo Dlouhy´
IPM-AS CR, Brno, Czech Republic
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Jan Brumek
VSˇB-TU Ostrava, Ostrava, Czech Republic
Bohumir Strnadel
VSˇB-TU Ostrava, Ostrava, Czech Republic
Ivo Dlouhy´
IPM-AS CR, Brno, Czech Republic
Paper No:
PVP2010-26010, pp. 635-639; 5 pages
Published Online:
January 10, 2011
Citation
Brumek, J, Strnadel, B, & Dlouhy´, I. "The Model of Fatigue Crack Growth in High Pressure Cylinder Wall." Proceedings of the ASME 2010 Pressure Vessels and Piping Division/K-PVP Conference. ASME 2010 Pressure Vessels and Piping Conference: Volume 5. Bellevue, Washington, USA. July 18–22, 2010. pp. 635-639. ASME. https://doi.org/10.1115/PVP2010-26010
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