Buckling analysis of plain knitted fabric sheets under simple shear in an arbitrary direction

Zhang, Y.T.; Liu, C.Y.; Du, Ruxu

doi:10.1016/j.ijsolstr.2007.03.020

Cited by 5 publications

(3 citation statements)

References 14 publications

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“…It was determined that some knitted fabrics may stretch up to four times. 40,41 After extension, the deformed specimen shape was captured by a mirror digital photo camera Pentax K7 (18–55 mm F/3.5–5.6 AL lens). The distance from the specimen to the lens was 500 mm and upper lighting with Epistar 9W LED lamps (color temperature 3000–6000 K) is used.…”

Section: Methodsmentioning

confidence: 99%

Investigation of knitted fabrics and the deformation of their assemblies by the Y-shaped specimen method

Audzevičiūtė-Liutkienė

Masteikaitė

Jucienė

et al. 2017

Textile Research Journal

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Textile fabric deformability during garment wear is a very important property as it influences performance conditions, the wearer’s comfort and the aesthetic view of the garment. Deformation of material in the garment depends on the clothing construction, anatomical features and physical activity of the wearer and garment fit. This paper presents an investigation of knitted fabrics and the deformation of their assembly peculiarities, considering the complex behavior of textile materials during wear using the Y-shaped specimen method. The fabric element partially experienced force affects in respective garment areas. In this case, several deformation types appear at the same type. In our research the special shaped specimen of form “Y” was used to performing the uniaxial tensile test to simulate this phenomenon. According to this method, longitudinal, transversal and angular characteristics describing the deformation of textile materials and their stitched systems were determined. It was found that after the extension indicator of angular deformation has changed the most, the amount of change reached up to 70%. In the Y-shaped knitted specimens, the seam significantly influences the size of the tensile force. Also, the changes of angle indicator, when the specimens are joined with seams, are obvious and reach 50%.

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Section: Methodsmentioning

confidence: 99%

Investigation of knitted fabrics and the deformation of their assemblies by the Y-shaped specimen method

Audzevičiūtė-Liutkienė

Masteikaitė

Jucienė

et al. 2017

Textile Research Journal

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“…Chen et al [9] carried out a series of uniaxial and biaxial tensile experiments to determine the mechanical properties of the envelope fabric Uretek3216A and found that the elastic constants should be determined for specific loading conditions due to its significant variation with the experimental protocols. Kilby [10] studied the effect of shear property on the buckling behavior of woven fabrics in both principal directions and more comprehensive researches at a random angle to the thread direction have been proposed by Zhaoqun Du [11] and Zhang et al [12] Additionally, quantities of comparisons between the uniaxial and biaxial tests results on the fabric yarns have been performed. It is accepted by investigators [13,14] that nonlinear biaxial characteristics were hard to be inferred from uniaxial experiments alone.…”

Section: Introductionmentioning

confidence: 99%

Experimental study on uniaxial tensile and welding performance of a new coated fabric for airship envelopes

Wang

Chen

et al. 2016

Journal of Industrial Textiles

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This paper investigated the mechanical properties of GQ-6 subjected to a tremendous amount of uniaxial tests. Such material is a new kind of ultra high molecular weight polyethylene fiber and aimed to be adopted in stratospheric airship. To begin with, mono-uniaxial tensile tests were conducted. The cycling-uniaxial tensile experiments were then carried out on the basis of the mono-uniaxial tensile tests data. Finally, performances of welding seams were thoroughly investigated with forty welding specimens. Results of mono-uniaxial tensile tests revealed that such woven fabric possesses high tensile strength and low elongation ratio at break. Meanwhile, the stress–strain behaviors were fitted by the Ogden model and a good agreement between such model and experimental data was obtained. Influences of the uniaxial loading cycle on such woven stiffness were discussed and the elastic moduli were defined with a standard hysteresis loop. For the welding tests, four types of overlapping welding failures were discovered. Compared with intact specimens, an appropriate welding width of 60 mm and an approximate 15% discount of the ultimate tensile stress on the intact textile were obtained.

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“…18,19 However, very few papers on simulations of draping and buckling/wrinkling of knitted fabrics have appeared in the open literature. 20 A plain knitted fabric sheet under tension along a non-course direction can buckle, and one under tension along a course direction cannot buckle. The critical value of shear amount and the buckling direction angle can determine the forms of fabric buckling shapes.…”

mentioning

confidence: 99%

Mechanical properties and buckling analysis of woven fabric

Messiry

El-Tarfawy

2018

Textile Research Journal

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The buckling of a woven fabric influences its performance throughout processing and during actual use. In addition, this phenomenon reflects on the recovery of the textile–polymer composites. The mechanics of the buckling behavior of woven, knitted or non-woven fabrics have a large number of different approaches, and the obvious inconsistency of applying the classical beam theory to the textile problem remains. The buckling of textile materials is a deciding factor of their drape and conformability. Fabric buckling also defines the ability of a fabric to fit to a different shape object without wrinkling. An empirical approach foundation to quantitatively compare the buckling of existing and new flexible textile materials, no matter what their composition, was developed. The buckling coefficient was found to be highly correlated to the fabric modulus of rigidity, fabric Young's modulus and fabric weave design. For the twill structure, the value of twill line angle to the direction of buckling force has a significant effect. In this paper, the buckling of woven fabric with or without holes was analyzed. It has been proven that major modes of deformation in the buckling of fabrics with holes are fabric bending rigidity, fabric design and the ratio of the volume of the hole to sample volume.

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Buckling analysis of plain knitted fabric sheets under simple shear in an arbitrary direction

Cited by 5 publications

References 14 publications

Investigation of knitted fabrics and the deformation of their assemblies by the Y-shaped specimen method

Investigation of knitted fabrics and the deformation of their assemblies by the Y-shaped specimen method

Experimental study on uniaxial tensile and welding performance of a new coated fabric for airship envelopes

Mechanical properties and buckling analysis of woven fabric

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