46—the Geometry, Dimensional Properties, and Stabilization of the Cotton Plain-Jersey Structure

Knapton, J. J. F.; Truter, E. V.; Aziz, Abdul Karim

doi:10.1080/00405007508630536

Cited by 36 publications

(21 citation statements)

References 11 publications

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“…In the studies carried out in this field, attempts have been made to formulate a geometric model suitable for the stitch that is at complete relaxation so that one can find theoretical 'Ks' for the fabric. This model theory can be applied as a criterion for determining dimensional stability of fabrics (Knapton et al, 1975(Knapton et al, -1979. Further studies have suggested a three-dimensional structural model for a stitch at complete relaxation, in which according to the calculations, 'Ks' for cotton fabric are equal to 26.7765.…”

Section: Influence Of Structure Parameters and Relaxation Methods On mentioning

confidence: 99%

Advances in circular knitting

Semnani

2011

Advances in Knitting Technology

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Section: Influence Of Structure Parameters and Relaxation Methods On mentioning

confidence: 99%

Advances in circular knitting

Semnani

2011

Advances in Knitting Technology

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“…A wet relaxation process is more effective on weft-knitted fabrics. The mechanical or chemical methods are also effective but cause some damage to the fibers [6]. Therefore, wet relaxation was used in this work.…”

Section: Sample Preparationmentioning

confidence: 99%

New Intelligent Method of Evaluating the Regularity of Weft-knitted Fabrics by Computer Vision and Grading Development

Semnani

Sheikhzadeh

2009

Textile Research Journal

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The quality of weft-knitted fabric is related to knitting parameters including the number and area of knitting faults which are caused by the knitting process and faults in the yarn. These kinds of faults may occur over a large area and lead to poor quality fabric. The weft-knitted fabric with a knitting fault is not suitable for apparel. Therefore, knitting faults are not considered in the grading of apparent quality of fabric. 1 Previous studies have shown that poor quality of yarn appearance leads to poor apparent quality of fabric but the effect of yarn count, raw material, and fabric structure is also important [1]. Recently, there have Abstract In this research, a new intelligent method was used to evaluate the deformation of stitches in various weft-knitted fabrics based on an ideal shape of stitches and angle of direction of stitches in a knitting machine. To measure deviation of stitch direction against internal stresses, an image analysis technique was applied to images taken from different fabrics with constant front light. In this method, evaluation of fabric regularity with emphasis on the deformation of stitches was studied based on analyzing the images of the fabric using Radon transformation analysis. The index of fabric regularity was obtained from the deviation of stitches from the original direction of ideal regular fabric. Also, the grading of weftknitted fabric was expanded with a new aspect of regularity grades as a novel grading development. The computer vision method was applied to models of ideal fabric with different stitch sizes. Different weft-knitted fabrics of various structures and yarns were evaluated by the computer vision method. The results showed that this method is capable of grading various weft-knitted fabrics with different fabric structures, densities and yarn types. Therefore, it is possible to use this method for every type of weft-knitted fabric. The results indicated that tuck and miss stitches caused more regularity in fabric, whereas the type of yarn has a major effect on fabric regularity.

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“…In order to establish the values of these dimensional parameters at equilibrium states, a series of experimental studies have been carried out by producing various plain knitted fabrics made from different kinds of yarns and relaxed in many different ways . The dimensional properties of cotton and wool plain knitted fabrics have been given considerable attention [3][4][5][6][7][8][9][10][11][12][13][14]. Due to the increasing use of fiber blends, the effect of blend type and composition on the dimensions of plain knitted fabrics has also been studied [15][16][17].…”

Section: Introductionmentioning

confidence: 99%

Dimensional and physical properties of plain knitted fabrics made from 50/50 bamboo/cotton blended yarns

Gun

Ünal

2008

Fibers Polym

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In this study, the dimensional and some physical properties of plain knitted fabrics made from 50/50 bamboo/cotton blended yarns are investigated. In order to see the differences and similarities, the results are then compared with those for similar fabrics knitted from 50/50 conventional viscose/cotton and 50/50 modal/cotton blended yarns. Each fabric type was produced with three different stitch lengths. After all fabrics were dyed under identical dyeing conditions, they were subjected to dry and full relaxation treatments. For dimensional properties of fabrics, course, wale and stitch densities were measured. Then, by calculating statistically best-fit lines passing both through the experimental points and the origin, dimensional constants i.e. k values were predicted in terms of the fiber types. The result show that each fabric type knitted from bamboo/ cotton, viscose/cotton and modal/cotton blended yarns behaves in a similar manner. However, in both dry and fully relaxed states, the modal/cotton knitted fabrics tend to have slightly higher k values than the bamboo/cotton and viscose/cotton knitted fabrics. For physical properties, fabric weight per unit area, thickness, bursting strength, air permeability and pilling were evaluated. The results show that the weight, thickness and air permeability values are independent of the fiber type. Plain knitted fabrics from modal/cotton blended yarns have the highest bursting strength values. Plain knitted fabrics from bamboo/ cotton blended yarns tend to pill less.

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46—the Geometry, Dimensional Properties, and Stabilization of the Cotton Plain-Jersey Structure

Cited by 36 publications

References 11 publications

Advances in circular knitting

Advances in circular knitting

New Intelligent Method of Evaluating the Regularity of Weft-knitted Fabrics by Computer Vision and Grading Development

Dimensional and physical properties of plain knitted fabrics made from 50/50 bamboo/cotton blended yarns

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