Predictive model for the detection of out-of-plane defects formed during textile-composite manufacture

Dangora, Lisa M.; Mitchell, Cynthia J.; Sherwood, James A.

doi:10.1016/j.compositesa.2015.07.011

Cited by 88 publications

(47 citation statements)

References 21 publications

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“…A deeper understanding of the effect of coupling in predicting the shape and size of wrinkles (e.g. similar to [47]) can also be another worthwhile study.…”

Section: Discussionmentioning

confidence: 98%

Analysis of a two-way tension-shear coupling in woven fabrics under combined loading tests: Global to local transformation of non-orthogonal normalized forces and displacements

Kashani

Rashidi

Crawford

et al. 2016

Composites Part A: Applied Science and Manufacturing

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“…A deeper understanding of the effect of coupling in predicting the shape and size of wrinkles (e.g. similar to [47]) can also be another worthwhile study.…”

Section: Discussionmentioning

confidence: 98%

Analysis of a two-way tension-shear coupling in woven fabrics under combined loading tests: Global to local transformation of non-orthogonal normalized forces and displacements

Kashani

Rashidi

Crawford

et al. 2016

Composites Part A: Applied Science and Manufacturing

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“…In this investigation it will also be employed to identify both the in-plane bending stiffness (D'Agostino et al, 2015;Dell'Isola and Steigmann, 2014;Ferretti et al, 2014;Giorgio et al, 2016;Harrison, 2016;Scerrato et al, 2016;Turco et al, 2016) and the torsional stiffness of the sheared fabric (Lomov and Verpoest, 2006;Steigmann and Dell'Isola, 2015) by monitoring the sample kinematics, including the shear angle at the centre of the specimen (D'Agostino et al, 2015;Ferretti et al, 2014;Harrison, 2016) and the out-of-plane wrinkling behaviour (Arnold et al, 2016;Boisse et al, 2011;Cherouat and Billoët, 2001;Dangora et al, 2015;Harrison, 2016;ten Thije and Akkerman, 2009;Thompson et al, 2016).…”

Section: Uniaxial Bias Extension (Ube) Test: Methodsmentioning

confidence: 99%

Towards comprehensive characterisation and modelling of the forming and wrinkling mechanics of engineering fabrics

Harrison

Alvarez

Anderson

2018

International Journal of Solids and Structures

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Through a combination of direct measurement and inverse modelling, a route to characterising the main mechanical forming properties of engineering fabric is demonstrated. The process involves just two experimental tests, a cantilever bending test and a modified version of the uniaxial bias extension test. The mechanical forming properties of a twill weave carbon fabric have been determined, including estimates of the in-plane bending stiffness and the torsional stiffness of a sheared fabric. As a result of measuring and incorporating all the main mechanical properties of the fabric in forming simulations (tensile, shear, out-of-plane bending, in-plane bending & torsion), the specimen size-dependent shear kinematics and wrinkling response measured in experiments, is faithfully reproduced in simulations of the uniaxial bias extension (UBE) test.

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“…For many simulation models, bending stiffness is neglected, and the membrane assumption is usually made. However, recent literatures have demonstrated that bending stiffness has a close relationship with the appearance and shape of wrinkles . Consequently, to precisely predict the appearance of possible defects in the forming, such as wrinkles, it is necessary to take into account the bending stiffness in the numerical forming simulations.…”

Section: Introductionmentioning

confidence: 99%

“…However, recent literatures have demonstrated that bending stiffness has a close relationship with the appearance and shape of wrinkles. [6][7][8] Consequently, to precisely predict the appearance of possible defects in the forming, such as wrinkles, it is necessary to take into account the bending stiffness in the numerical forming simulations. Because of the possible slippage between fibres, the bending stiffness of continuous fibre reinforcements is not directly related to its in-plane tensile modulus and much smaller than the bending stiffness of classical continuous material structure.…”

Section: Introductionmentioning

confidence: 99%

Curvature determination in the bending test of continuous fibre reinforcements

Liang

Chaudet

Boisse

2016

Strain

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Bending deformation is one of the main deformation modes in the forming of continuous fibre reinforcements. It is very specific compared to the classical continuous materials. In most textile material forming simulation models, bending stiffness is neglected, but taking into account it would give a more accurate predication, particularly the shape of wrinkles. In the deformation, fibres constituting the reinforcement can slide to each other, resulting in the bending stiffness of reinforcement is not directly related to its in‐plane tensile modulus as the classical continuous materials. Consequently, it is necessary to determine the bending stiffness by the experimental method. A cantilever bending stiffness test approach was proposed to measure the bending stiffness of continuous fibre reinforcements. A CCD camera was used to take the bending deflection shape. To calculate the curvature of bending deflection curve, uniform quartic B‐spline curve was chosen. A detailed process of curvature calculating of deflection curve was given in this paper. A single bending test gives the bending moment as a function of curvature from zero to the maximum value. Bending tests were conducted to validate the capacity of the proposed approach. A smooth curvature plot along the bending deflection curve was obtained for different types of reinforcements, and the non‐linear bending deformation behaviour can be identified with the proposed bending test method.

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Predictive model for the detection of out-of-plane defects formed during textile-composite manufacture

Cited by 88 publications

References 21 publications

Analysis of a two-way tension-shear coupling in woven fabrics under combined loading tests: Global to local transformation of non-orthogonal normalized forces and displacements

Analysis of a two-way tension-shear coupling in woven fabrics under combined loading tests: Global to local transformation of non-orthogonal normalized forces and displacements

Towards comprehensive characterisation and modelling of the forming and wrinkling mechanics of engineering fabrics

Curvature determination in the bending test of continuous fibre reinforcements

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