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Formability Predictions of Hydroformed AKDQ Steel Tubes by Various Burst Criteria
Technical Paper
2007-01-1690
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The accurate prediction of burst of hydroformed tubes is a research area of considerable importance in order to evaluate a design before prototyping. This report applies the presently available criteria (forming limit diagram, stress-based forming limit diagram, extended stress based forming limit curve and the plastic strain criterion) to some of the benchmark examples carried out by the Auto/Steel partnership. It was found that the formability predictions are lowest if the plastic strain criterion is used and highest if either the stress-based criteria are used. Predicted and measured results were also compared.
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Citation
Chen, K., "Formability Predictions of Hydroformed AKDQ Steel Tubes by Various Burst Criteria," SAE Technical Paper 2007-01-1690, 2007, https://doi.org/10.4271/2007-01-1690.Also In
Steel Innovations, Fatigue Research, Sheet/Hydro/Gas Forming Technology & Advanced High Strength Steel Development
Number: SP-2103; Published: 2007-04-16
Number: SP-2103; Published: 2007-04-16
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