A study to quantify the Bauschinger effect during fabrication of micro-alloyed pipeline steel (X52 and X70) was conducted. A finite element stress model, that incorporates a kinematic yield surface formulation, was developed to calculate the magnitude of the Bauschinger effect viz a viz the relative yield surface shift ratio α/αsat. The evolution of this ratio during ERW fabrication and its relation to post forming yield behaviour is discussed. Finally the relationship between α/αsat and pipe properties will be discussed.
- International Petroleum Technology Institute
Evolution of the Bauschinger Effect During Fabrication of Micro-Alloyed Pipeline Steels
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Wiskel, JB, Rieder, M, & Henein, H. "Evolution of the Bauschinger Effect During Fabrication of Micro-Alloyed Pipeline Steels." Proceedings of the 2004 International Pipeline Conference. 2004 International Pipeline Conference, Volumes 1, 2, and 3. Calgary, Alberta, Canada. October 4–8, 2004. pp. 1865-1869. ASME. https://doi.org/10.1115/IPC2004-0438
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