Reference : Forming limit predictions for single-point incremental sheet metal forming
Scientific congresses and symposiums : Paper published in a book
Engineering, computing & technology : Materials science & engineering
http://hdl.handle.net/2268/11537
Forming limit predictions for single-point incremental sheet metal forming
English
Van Bael, A. [> >]
Eyckens, P. [> >]
He, S. [> >]
Bouffioux, Chantal mailto [Université de Liège - ULg > Département Argenco : Secteur MS2F > Département Argenco : Secteur MS2F >]
Henrard, Christophe mailto [Université de Liège - ULg > Département Argenco : Secteur MS2F > Département Argenco : Secteur MS2F >]
Habraken, Anne mailto [Université de Liège - ULg > Département ArGEnCo > Département ArGEnCo >]
Duflou, J. [> >]
Van Houtte, P. [> >]
2007
Proceedings of the 10th International ESAFORM Conference on Material Forming
Cueto, Elías
Chinesta, Francisco
Springer
309-314
Yes
International
978-0-7354-0414-4
10th ESAFORM conference on material forming
du 18 au 20 avril 2007
Zaragosa
Spain
[en] formability ; Marciniak-Kuczynski model ; finite-element simulations ; LIMARC
[en] A characteristic of incremental sheet metal forming is that much higher deformations
can be achieved than conventional forming limits. In this paper it is investigated to which extent
the highly non-monotonic strain paths during such a process may be responsible for this high
formability. A Marciniak-Kuczynski (MK) model is used to predict the onset of necking of a
sheet subjected to the strain paths obtained by finite-element simulations. The predicted forming
limits are considerably higher than for monotonic loading, but still lower than the experimental
ones. This discrepancy is attributed to the strain gradient over the sheet thickness, which is not
taken into account in the currently used MK model.
http://hdl.handle.net/2268/11537

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