The geometrical and material constraints which limit the quality of hydroforming products in regard to failure by wrinkling (buckling) and/or rupture (tensile instability) are investigated in a unified framework. The analysis is based on limit theorems of plasticity (with a power-law hardening and Mises-Hill normal anisotropy) and resulted in distinct bounds for the permissible operating fluid pressure path. The parameteric study which follows includes a wide range of physical variables, some of which (not considered hitherto) show substantial effects on anticipated failure. Experiments with copper, aluminum, steel, and stainless steel agree very well with the supposition that premature failure (up to certain situations) is avoidable if the fluid pressure path is restricted to travel only within the suggested bounds.
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May 1988
This article was originally published in
Journal of Engineering for Industry
Research Papers
On the Permissible Fluid-Pressure Path in Hydroforming Deep Drawing Processes—Analysis of Failures and Experiments
S. Yossifon,
S. Yossifon
Center for Manufacturing Systems and Robotics, Technion, Haifa, Israel
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J. Tirosh
J. Tirosh
Center for Manufacturing Systems and Robotics, Technion, Haifa, Israel
Search for other works by this author on:
S. Yossifon
Center for Manufacturing Systems and Robotics, Technion, Haifa, Israel
J. Tirosh
Center for Manufacturing Systems and Robotics, Technion, Haifa, Israel
J. Eng. Ind. May 1988, 110(2): 146-152
Published Online: May 1, 1988
Article history
Received:
October 30, 1987
Online:
July 30, 2009
Citation
Yossifon, S., and Tirosh, J. (May 1, 1988). "On the Permissible Fluid-Pressure Path in Hydroforming Deep Drawing Processes—Analysis of Failures and Experiments." ASME. J. Eng. Ind. May 1988; 110(2): 146–152. https://doi.org/10.1115/1.3187863
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