Analytical and Experimental Evaluation of the Stress-Strain Curves of Sheet Metals by Hydraulic Bulge Tests
Lucian Lazarescu, Dan-Sorin Comsa, Dorel Banabic
(J. R. Duflou, R. Clarke, M. Merklein, F. Micari, B. SHirvani, K. Kellens, et al., Eds.) SHEET METAL 2011. LAUBLSRUTISTR 24, CH-8717 STAFA-ZURICH, SWITZERLAND: TRANS TECH PUBLICATIONS LTD (2011) .
J RDuflouRClarkeMMerkleinFMicariBSHirvaniKKellens2011TRANS TECH PUBLICATIONS LTD
Full text: http://dx.doi.org/10.4028/www.scientific.net/KEM.473.352
Abstract
This paper presents a new methodology for the determination of the biaxial stress - strain curves by hydraulic bulging tests with circular die. In order to validate the methodology, the authors have performed both stepwise and continuous bulging experiments. The pressure, polar height and curvature radius have been measured in different stages of the deformation process or continuously recorded during the test.
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