Titre :

Two-way approach for deformation analysis of non-crimp fabrics in uniaxial bias extension tests based on pure and simple shear assumption

Auteur(s) :

Pourtier, Jean [Auteur]
Génie et Matériaux Textiles [GEMTEX]
Institut de recherche technologique Matériaux Métallurgie et Procédés [IRT M2P]
École nationale supérieure des arts et industries textiles [ENSAIT]
Duchamp, Boris [Auteur]
Institut de recherche technologique Matériaux Métallurgie et Procédés [IRT M2P]
Kowalski, Maxime [Auteur]
Institut de recherche technologique Matériaux Métallurgie et Procédés [IRT M2P]
Wang, Peng [Auteur]
Génie et Matériaux Textiles [GEMTEX]
Université de Lille
École nationale supérieure des arts et industries textiles [ENSAIT]
Legrand, Xavier [Auteur]
Génie et Matériaux Textiles [GEMTEX]
Ecole nationale supérieure des arts et industries textiles de Roubaix (ENSAIT)
Université de Lille
Soulat, Damien [Auteur]
Génie et Matériaux Textiles [GEMTEX]
Ecole nationale supérieure des arts et industries textiles de Roubaix (ENSAIT)
Université de Lille

Titre de la revue :

International Journal of Material Forming

Nom court de la revue :

Int. J. Mater. Form.

Numéro :

12

Pagination :

995-1008

Date de publication :

2019-03-29

ISSN :

1960-6206

Mot(s)-clé(s) en anglais :

Bias extension test
Textile composite
Non-crimp fabric
Pure shear
Simple shear
Kinematic
Experimental study

Discipline(s) HAL :

Sciences de l'ingénieur [physics]

Résumé en anglais : [en]

In-plane shear is considered as the main deformation mechanism during the forming of fabrics on double curved geometries. Non-Crimp Fabrics (NCFs) are more and more used in the industry thanks to their high mechanical ...
Lire la suite >In-plane shear is considered as the main deformation mechanism during the forming of fabrics on double curved geometries. Non-Crimp Fabrics (NCFs) are more and more used in the industry thanks to their high mechanical performances. The uniaxial bias extension (UBE) test is commonly used for characterizing the in-plane shear behavior of fabrics. However, presence of slippages calls the reliability of this test into question for NCF material. These slippages lead to a macroscopic kinematic which does not respect the fundamental hypotheses of UBE test theory. The variety of NCF architectures is usually pointed while the lack of standardized experimental methods is seldom discussed. The first section of this paper presents a two-way approach to detect slippage on an NCF. This approach is based on two kinematical descriptions of the UBE test. The first one assumes a pure shear behavior whereas the second one assumes a simple shear behavior. These behaviors correspond respectively to the rotation of fibers and to the slippage of fibers from a macroscopic point of view. In the second section, the two-way approach is used to analyze experimental UBE tests. This investigation highlights the influence of the sample width on the deformation mode during a UBE test. More precisely, it is shown that increasing the sample width of NCF specimens improves the UBE test reliability.Lire moins >

Langue :

Anglais

Audience :

Internationale

Vulgarisation :

Non

Établissement(s) :

Université de Lille
ENSAIT
Junia HEI

Collections :

• Génie des matériaux textiles (GEMTEX) - ULR 2641

Date de dépôt :

2023-06-20T11:19:46Z
2024-02-29T10:05:58Z