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Statistical analysis of finite element modeling in sheet metal forming and springback analysis

Asgari, S.A., Pereira, M., Rolfe, B.F., Dingle, M. and Hodgson, P.D. 2008, Statistical analysis of finite element modeling in sheet metal forming and springback analysis, Journal of materials processing technology, vol. 203, no. 1-3, pp. 129-136.

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Title Statistical analysis of finite element modeling in sheet metal forming and springback analysis
Author(s) Asgari, S.A.
Pereira, M.
Rolfe, B.F.
Dingle, M.
Hodgson, P.D.
Journal name Journal of materials processing technology
Volume number 203
Issue number 1-3
Start page 129
End page 136
Publisher Elsevier SA
Place of publication Zürich, Switzerland
Publication date 2008-07
ISSN 0924-0136
1873-4774
Keyword(s) TRIP steel
springback
design of experiment
transformation-induced plasticity steel
steel
Summary This work focuses on development of a method to statistically study forming and springback problems of TRansformation Induced Plasticity (TRIP) through an industrial case study. A Design of Experiments (DOE) approach was used to study the sensitivity of predictions to four user input parameters in implicit and explicit sheet metal forming codes. Numerical results were compared to experimental measurements of parts stamped in an industrial production line. The accuracy of forming strain predictions for TRIP steel were comparable with conventional steel, but the springback predictions of TRIP steel were far less accurate. The statistical importance of selected parameters for forming and springback prediction is also discussed. Changes of up to ±10% in Young's modulus and coefficient of friction were found to be insignificant in improving or deteriorating the statistical correlation of springback accuracies.
Language eng
Field of Research 091299 Materials Engineering not elsewhere classified
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2007, Elsevier B.V
Persistent URL http://hdl.handle.net/10536/DRO/DU:30017245

Document type: Journal Article
Collection: Centre for Material and Fibre Innovation
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