ORBi: Van Bael A. - Forming limit predictions for single-point incremental sheet metal forming

Reference : Forming limit predictions for single-point incremental sheet metal forming


	Document type :	Scientific congresses and symposiums : Paper published in a book
	Discipline(s) :	Engineering, computing & technology : Materials science & engineering
	To cite this reference:	http://hdl.handle.net/2268/11537

Title :	Forming limit predictions for single-point incremental sheet metal forming
Language :	English
Author, co-author :	Van Bael, A. [> >]
	Eyckens, P. [> >]
	He, S. [> >]
	Bouffioux, Chantal [Université de Liège - ULg > Département Argenco : Secteur MS2F > Département Argenco : Secteur MS2F >]
	Henrard, Christophe [Université de Liège - ULg > Département Argenco : Secteur MS2F > Département Argenco : Secteur MS2F >]
	Habraken, Anne [Université de Liège - ULg > Département ArGEnCo > Département ArGEnCo >]
	Duflou, J. [> >]
	Van Houtte, P. [> >]
Publication date :	2007
Main document title :	Proceedings of the 10th International ESAFORM Conference on Material Forming
Author, co-author :	Cueto, Elías
	Chinesta, Francisco
Publisher :	Springer
Pages :	309-314
Audience :	International
ISBN :	978-0-7354-0414-4
Event name :	10th ESAFORM conference on material forming
Event date :	du 18 au 20 avril 2007
Event place (city) :	Zaragosa
Event country :	Spain
Keywords :	[en] formability ; Marciniak-Kuczynski model ; finite-element simulations
Abstract :	[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.
Permalink :	http://hdl.handle.net/2268/11537

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Open access	2007_Forming Limit Predictions for Single-Point Incremental Sheet Metal Forming_ESAFORM.pdf	(c) 2007 American Institute of Physics	Publisher postprint	486.71 kB	View/Open

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