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Failure Predictions for Aluminum Tube Hydroforming Processes
Technical Paper
2006-01-0543
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Two analytical tools for failure predictions in free-expansion tube hydroforming, namely “Process Window Diagram” (PWD) and forming limit curve (FLC), are discussed in this paper. The PWD represents the incipient failure conditions of buckling, wrinkling and bursting of free-expansion tube hydroforming processes in the plane of process parameters, e.g. internal pressure versus axial compression. The PWD is a useful tool for design engineers to quickly assess part producibility and process design for tube hydroforming. An attempt is also made to draw the differences between FLCs for sheet and tube so that the appropriate FLC could be used to estimate the bursting or fracture limits in free-expansion tube hydroforming processes.
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Citation
Chu, E., Xu, Y., Davies, R., and Grant, G., "Failure Predictions for Aluminum Tube Hydroforming Processes," SAE Technical Paper 2006-01-0543, 2006, https://doi.org/10.4271/2006-01-0543.Also In
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