Comptes Rendus
no. 4-5
Failure locus of polypropylene nonwoven fabrics under in-plane biaxial deformation
Alvaro Ridruejo1  ; Carlos González1, 2  ; Javier Llorca1, 2
1 Department of Materials Science, Polytechnic University of Madrid and CISDEM, UPM-CSIC, E.T.S. de Ingenieros de Caminos, 28040 Madrid, Spain
2 IMDEA Materials Institute, C/ Profesor Aranguren s/n, 28040 Madrid, Spain
Comptes Rendus. Mécanique, Volume 340 (2012) no. 4-5, pp. 307-319.

The failure locus, the characteristics of the stress–strain curve and the damage localization patterns were analyzed in a polypropylene nonwoven fabric under in-plane biaxial deformation. The analysis was carried out by means of a homogenization model developed within the context of the finite element method. It provides the constitutive response for a mesodomain of the fabric corresponding to the area associated to a finite element and takes into account the main deformation and damage mechanisms experimentally observed. It was found that the failure locus in the stress space was accurately predicted by the Von Mises criterion and failure took place by the localization of damage into a crack perpendicular to the main loading axis.

Publié le :
DOI : 10.1016/j.crme.2012.02.013
Mots clés : Nonwoven fabric, In-plane biaxial deformation, Failure locus, Finite element method
Alvaro Ridruejo 1 ; Carlos González 1, 2 ; Javier Llorca 1, 2

1 Department of Materials Science, Polytechnic University of Madrid and CISDEM, UPM-CSIC, E.T.S. de Ingenieros de Caminos, 28040 Madrid, Spain
2 IMDEA Materials Institute, C/ Profesor Aranguren s/n, 28040 Madrid, Spain 
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     journal = {Comptes Rendus. M\'ecanique},
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Alvaro Ridruejo; Carlos González; Javier Llorca. Failure locus of polypropylene nonwoven fabrics under in-plane biaxial deformation. Comptes Rendus. Mécanique, Volume 340 (2012) no. 4-5, pp. 307-319. doi : 10.1016/j.crme.2012.02.013. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.1016/j.crme.2012.02.013/

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