Bursting, an irreversible failure in tube hydroforming (THF), results mainly from the local plastic instabilities that occur when the biaxial stresses imparted during the process exceed the forming limit strains of the material. To predict the burst pressure, Oyan's and Brozzo's decoupled ductile fracture criteria (DFC) were implemented as user material models in a dynamic nonlinear commercial 3D finite-element (FE) software, ls-dyna. THF of a round to V-shape was selected as a generic representative of an aerospace component for the FE simulations and experimental trials. To validate the simulation results, THF experiments up to bursting were carried out using Inconel 718 (IN 718) tubes with a thickness of 0.9 mm to measure the internal pressures during the process. When comparing the experimental and simulation results, the burst pressure predicated based on Oyane's decoupled damage criterion was found to agree better with the measured data for IN 718 than Brozzo's fracture criterion.
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August 2016
Research-Article
Prediction of Burst Pressure in Multistage Tube Hydroforming of Aerospace Alloys
M. Saboori,
M. Saboori
National Research Council of Canada,
École de technologie supérieure,
Montréal, QC H3T 2B2, Canada
École de technologie supérieure,
Montréal, QC H3T 2B2, Canada
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J. Gholipour,
J. Gholipour
National Research Council of Canada,
Montréal, QC H3T 2B2, Canada
Montréal, QC H3T 2B2, Canada
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H. Champliaud,
H. Champliaud
École de Technologie Supérieure,
Montréal, QC H3C 1K3, Canada
Montréal, QC H3C 1K3, Canada
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P. Wanjara,
P. Wanjara
National Research Council of Canada,
Montréal, QC H3T 2B2, Canada
Montréal, QC H3T 2B2, Canada
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A. Gakwaya,
A. Gakwaya
Laval University,
Québec, QC G1V 0A6, Canada
Québec, QC G1V 0A6, Canada
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J. Savoie
J. Savoie
Pratt & Whitney Canada,
Longueuil, QC J4G 1A1, Canada
Longueuil, QC J4G 1A1, Canada
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M. Saboori
National Research Council of Canada,
École de technologie supérieure,
Montréal, QC H3T 2B2, Canada
École de technologie supérieure,
Montréal, QC H3T 2B2, Canada
J. Gholipour
National Research Council of Canada,
Montréal, QC H3T 2B2, Canada
Montréal, QC H3T 2B2, Canada
H. Champliaud
École de Technologie Supérieure,
Montréal, QC H3C 1K3, Canada
Montréal, QC H3C 1K3, Canada
P. Wanjara
National Research Council of Canada,
Montréal, QC H3T 2B2, Canada
Montréal, QC H3T 2B2, Canada
A. Gakwaya
Laval University,
Québec, QC G1V 0A6, Canada
Québec, QC G1V 0A6, Canada
J. Savoie
Pratt & Whitney Canada,
Longueuil, QC J4G 1A1, Canada
Longueuil, QC J4G 1A1, Canada
Contributed by the Manufacturing Materials and Metallurgy Committee of ASME for publication in the JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER. Manuscript received October 3, 2015; final manuscript received November 30, 2015; published online March 8, 2016. Editor: David Wisler.
J. Eng. Gas Turbines Power. Aug 2016, 138(8): 082101 (5 pages)
Published Online: March 8, 2016
Article history
Received:
October 3, 2015
Revised:
November 30, 2015
Citation
Saboori, M., Gholipour, J., Champliaud, H., Wanjara, P., Gakwaya, A., and Savoie, J. (March 8, 2016). "Prediction of Burst Pressure in Multistage Tube Hydroforming of Aerospace Alloys." ASME. J. Eng. Gas Turbines Power. August 2016; 138(8): 082101. https://doi.org/10.1115/1.4032437
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