2009
DOI: 10.4028/www.scientific.net/kem.410-411.439
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Abstract: This work covers the finite element analysis of geometric and process parameters in hydraulic bulge tests in terms of the accuracy of the evaluated flow curve. The important parameters are identified and varied to cover the whole range of possible uses. The effects of these parameters are analyzed for three representative materials: aluminium, mid-strength steel, and high-strength steel. The flow curves of the materials for each set of parameters are calculated by using the results of the simulations and the m… Show more

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Cited by 15 publications
(1 citation statement)
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“…They varied the work hardening coefficient (n-value) and the strain ratio (r-value) but always within the context of planar isotropy. Güner et al (2009) investigated the influence of geometrical dimensions (aperture radius, die shoulder radius) for three different materials on the accuracy of the determined flow curves. One of the conclusions is that the sphere fit of the surface introduces a systematic error and other mathematical equations should be considered.…”
Section: Introductionmentioning
confidence: 99%
“…They varied the work hardening coefficient (n-value) and the strain ratio (r-value) but always within the context of planar isotropy. Güner et al (2009) investigated the influence of geometrical dimensions (aperture radius, die shoulder radius) for three different materials on the accuracy of the determined flow curves. One of the conclusions is that the sphere fit of the surface introduces a systematic error and other mathematical equations should be considered.…”
Section: Introductionmentioning
confidence: 99%