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International Journal of Material Forming
Erschienen in: International Journal of Material Forming 1/2014

01.03.2014 | Original Research

A study of the variations in elastic modulus and its effect on springback prediction

verfasst von: S. Chatti, R. Fathallah

Erschienen in: International Journal of Material Forming | Ausgabe 1/2014

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Abstract

A model is proposed in order to evaluate the variation of the elastic modulus of metallic materials due to both damage and dislocations rearrangements leading to non-linear recovery. It is an elastic plastic model with varied unloading elastic modulus and coupled with damage. This model allows obtaining more accurate prediction of material behavior, starting from a virgin state and finishing by failure. Simulations have been carried out in uniaxial tensile test and the predicted results show good agreement with experiments. The L-bending test is also simulated and the proposed model allows obtaining more accurate springback prediction.
Vorheriger Artikel On the use of effective limit strains to evaluate the forming severity of sheet metal parts after nonlinear loading
Nächster Artikel Texture effects on design of Mg biodegradable stents

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Metadaten
Titel
A study of the variations in elastic modulus and its effect on springback prediction
verfasst von
S. Chatti
R. Fathallah
Publikationsdatum
01.03.2014
Verlag
Springer Paris
Erschienen in
International Journal of Material Forming / Ausgabe 1/2014
Print ISSN: 1960-6206
Elektronische ISSN: 1960-6214
DOI
https://doi.org/10.1007/s12289-012-1106-7

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