FE SIMULATION OF SUBMERGED ARC WELDING OF API 5L-X70 STRAIGHT SEAM OIL AND GAS PIPES

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FOROUZAN M.R.; HEIDARI A.; GOLESTANEH S.J.

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Journal: JOURNAL OF COMPUTATIONAL METHODS IN ENGINEERING (ESTEGHLAL) Year:2009 | Volume:28 | Issue:1 Page(s): 93-110

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Information Journal Paper

Title

FE SIMULATION OF SUBMERGED ARC WELDING OF API 5L-X70 STRAIGHT SEAM OIL AND GAS PIPES

Author(s)

FOROUZAN M.R. | HEIDARI A. | GOLESTANEH S.J. | Issue Writer Certificate

Keywords

OIL AND GAS PIPELINEQ3

SAWQ2

FEMQ3

RESIDUAL STRESSQ2

Abstract

In this paper, an uncoupled thermo-mechanical nonlinear FE analysis of submerged arc welding process for straight seam large diameter oil and gas pipes to determine RESIDUAL STRESSes is presented. The analysis starts with thermal part where, bi-elliptical Goldak equation is used for applying heat input distribution. Afterward, a certain code checks the elements one by one in order to determine the metallurgical phase transformations during cooling process based on cooling time from 800ºC to 500ºC (t8/5). Then the associated mechanical properties of each element is calculated and assigned to the corresponding element to execute the stress analysis phase. A good agreement is observed between simulation results and experimental results obtained from metallography and hole drilling test method. In addition to the results related to the special case studied in this research, undertaking severe nonlinearities due to phase transformation of the API X70-5L material and defining the equivalent material properties during phase transformation are of the new aspects of this research..

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APA: Copy

FOROUZAN, M.R., HEIDARI, A., & GOLESTANEH, S.J.. (2009). FE SIMULATION OF SUBMERGED ARC WELDING OF API 5L-X70 STRAIGHT SEAM OIL AND GAS PIPES. JOURNAL OF COMPUTATIONAL METHODS IN ENGINEERING (ESTEGHLAL), 28(1), 93-110. SID. https://sid.ir/paper/173670/en

Vancouver: Copy

FOROUZAN M.R., HEIDARI A., GOLESTANEH S.J.. FE SIMULATION OF SUBMERGED ARC WELDING OF API 5L-X70 STRAIGHT SEAM OIL AND GAS PIPES. JOURNAL OF COMPUTATIONAL METHODS IN ENGINEERING (ESTEGHLAL)[Internet]. 2009;28(1):93-110. Available from: https://sid.ir/paper/173670/en

IEEE: Copy

M.R. FOROUZAN, A. HEIDARI, and S.J. GOLESTANEH, “FE SIMULATION OF SUBMERGED ARC WELDING OF API 5L-X70 STRAIGHT SEAM OIL AND GAS PIPES,” JOURNAL OF COMPUTATIONAL METHODS IN ENGINEERING (ESTEGHLAL), vol. 28, no. 1, pp. 93–110, 2009, [Online]. Available: https://sid.ir/paper/173670/en

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