The effect of overload on fatigue crack growth rate for X52 pipeline steel was studied under different stress ratio and overload ratio. The results show that tensile overload causes a delayed retardation to fatigue crack growth. The crack propagation curve after overloading includes three processes: accelerated growth, retardation growth and recovery growth. Under a constant stress ratio, plasticity induced crack closure is more significant with the increase of overload ratio; the crack growth rate is decreased as a result. However, crack growth retardation is more significant at a lower stress ratio. SEM analysis of the fracture surface shows that the overload plastic strain suffered more erosion at a higher overload ratio and the fracture surface morphology is more different after a higher overload ratio.
Skip Nav Destination
2008 7th International Pipeline Conference
September 29–October 3, 2008
Calgary, Alberta, Canada
Conference Sponsors:
- International Petroleum Technology Institute and the Pipeline Division
ISBN:
978-0-7918-4858-6
PROCEEDINGS PAPER
Study of Fatigue Crack Growth Rate for X52 Pipeline Steel Under Overload Application Available to Purchase
Yingfeng Chen,
Yingfeng Chen
University of Science and Technology-Beijing, Beijing, China
Search for other works by this author on:
Wenjuan Liu,
Wenjuan Liu
University of Science and Technology-Beijing, Beijing, China
Search for other works by this author on:
Minxu Lu
Minxu Lu
University of Science and Technology-Beijing, Beijing, China
Search for other works by this author on:
Yingfeng Chen
University of Science and Technology-Beijing, Beijing, China
Wenjuan Liu
University of Science and Technology-Beijing, Beijing, China
Minxu Lu
University of Science and Technology-Beijing, Beijing, China
Paper No:
IPC2008-64180, pp. 291-295; 5 pages
Published Online:
June 29, 2009
Citation
Chen, Y, Liu, W, & Lu, M. "Study of Fatigue Crack Growth Rate for X52 Pipeline Steel Under Overload Application." Proceedings of the 2008 7th International Pipeline Conference. 2008 7th International Pipeline Conference, Volume 2. Calgary, Alberta, Canada. September 29–October 3, 2008. pp. 291-295. ASME. https://doi.org/10.1115/IPC2008-64180
Download citation file:
20
Views
Related Proceedings Papers
Related Articles
Modeling of Fatigue Crack Propagation
J. Eng. Mater. Technol (January,2004)
Finite Element Modeling of Fatigue Damage Using a Continuum Damage Mechanics Approach
J. Pressure Vessel Technol (May,2005)
Fatigue Response and Characterization of 350WT Steel Under Semi-Random Loading
J. Pressure Vessel Technol (August,2007)
Related Chapters
Introductory Information
The Stress Analysis of Cracks Handbook, Third Edition
Recent Developments in J Ic Testing
Developments in Fracture Mechanics Test Methods Standardization