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Forming Limit Diagram Prediction of Stainless Steels Sheets
Technical Paper
2007-01-0338
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The development of adapted design tools, such as Forming Limit Diagrams (FLD), participates to the increasing use of stainless steels in automotive applications notably. FLD are now in widespread use, but still present the major drawback of a test-intensive determination procedure. The paper presents a Cayssials-type predictive model, which describes FLD as a strain instability during biaxial loading and permits to evaluate it from strain hardening properties. Ultimately, tensile tests results and thickness of the sheet are simply required for an accurate FLD prediction. At Ugine & Alz, the model has been adapted with a common formalism for both ferritic and austenitic stainless steel grades.
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Authors
Citation
Chinouilh, G., Toscan, F., Santacreu, P., and Leseux, J., "Forming Limit Diagram Prediction of Stainless Steels Sheets," SAE Technical Paper 2007-01-0338, 2007, https://doi.org/10.4271/2007-01-0338.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
References
- CAYSSIALS F. Predicitve theoretical model for the formability of steels Usinor report October 1997
- LESEUX J. Study of the means for the measure of deformation under biaxial loading Arcelor report 2002
- MATAYA M. C. MATLOCK D. K. PETERSON S.F. The formability of austenitic stainless steels JOM September 1997 54 58
- Chinouilh G. Behavior and damage model for the forming of grades used in automotive applications Arcelor report 2003