22—factors Affecting the Thickness and Compressibility of Worsted-Spun Yarns

Onions, W. J.; Oxtoby, Eric; Townend, Paul

doi:10.1080/00405006708629877

Cited by 22 publications

(6 citation statements)

References 16 publications

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“…However, it should be noted that the photographic method mentioned entailed the continuous passage of yam during the exposure of the photograph, which integrates over a length of yam, but in so doing tends to blur the boundaries of D and is likely to cause an overestimate of the true diameter. Peirce [9] and Onion et al [8] made their measurements under compression arising from the fabric, and their results (K) are likely to be low. .…”

Section: Introduction -mentioning

confidence: 97%

A Comparison of the Hairiness and Diameter of Ring and Open-End Yarns

Mohamed

Lord

Saleh

1975

Textile Research Journal

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This paper presents a comparison between the hairiness and diameter of open-end and ring yams spun from various polyester/cotton blends. The yarn hairiness and diameter were measured using an optical technique. The study covered the effects of blend ratio, yarn count, and twist on the hairiness and diameter of open-end and ring yams.The results show that the yams spun on the BD 200 machine had a diameter roughly 10% larger than corresponding ring yams. The open-end yarns were also found to be less hairy than ring yams, but the hairiness was found to have a higher coefficient of variation.

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Section: Introduction -mentioning

confidence: 97%

A Comparison of the Hairiness and Diameter of Ring and Open-End Yarns

Mohamed

Lord

Saleh

1975

Textile Research Journal

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“…Malathi et al (1990) have proposed that the percentage compression of fabric measured at different pressure can be used for assessing the handle of fabric or softness of yarns. Knapton and Onions et al (1967) have suggested a measure known as hardness to represent the handle of knitted fabrics. The lower the value of compression, the softer the fabric handle and vice versa.…”

Section: Introductionmentioning

confidence: 99%

An experimental study on fabric softness evaluation

Zhang

Liu

Wang

et al. 2006

International Journal of Clothing Science and Technology

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Structured Abstract for a Literature Review PurposeTo examine a simple testing method of measuring the force to pull a fabric through a series of parallel pins to determine the fabric softness property.Design/methodology/approach A testing system was setup for fabric pulling force measurements and the testing parameters were experimentally determined. The specific pulling forces were compared with the FAST testing parameters and subjective softness ranking. Their correlations were also statistically analyzed. FindingsThe fabric pulling force reflects the physical and surface properties of the fabrics measured by the FAST instrument and its ability to rank fabric softness appears to be close to the human hand response on fabric softness. The pulling force method can also distinguish the difference of fabrics knitted with different wool fibre contents. Research limitations/implicationsOnly 21 woven and 3 knitted fabrics were used for this investigation. More fabrics with different structures and finishes may be evaluated before the testing method can be put in practice. Practical implicationsThe testing method could be used for objective assessment of fabric softness. Originality/valueThe testing method reported in this paper is a new concept in fabric softness measurement. It can provide objective specifications for fabric softness, thus should be valuable to fabric community.

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“…The distance from the probe to the test bed was recorded as the compressed sample thickness T c and the compressibility was calculated using the formula C = 100 × (T o -T c )/T o . Using the procedures described by Kawabata [5] and Onions [7], the linearity of compression and the compression index were calculated. The compression index corresponded to the slope of the straight line relating sample thickness and load in logarithmic forms.…”

Section: Compression Testingmentioning

confidence: 99%

Effect of Finishing on Woven Fabric Structure and Compressional and Cyclic Multiaxial Strain Properties

Manich

Mart²,

Saur³

et al. 2006

Textile Research Journal

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During finishing, internal stresses stored during spinning, warping and weaving are removed and fabrics attain an almost fully relaxed state. Their handle feels warm and smooth. Table I lists the finishing operations of the four finishing treatments considered in this study, which are those normally employed by the European industry. Washing removes fiber ends from the surface and fibers are sometimes brought to it. Milling, mainly applied to fabrics containing wool, is a vigorous mechanical process designed to bust yarns and develop fullness in carded fabrics. Pure wool fabrics respond more strongly to the milling process than fabrics which contain little or perhaps no wool. Carbonizing removes the cellulosic matter mixed with wool. Raising produces a thin layer of protruding fibers and shearing cuts it to uniform length. Pressing flattens the fibers on the surface and decatizing fixes the fabric containing wool into its pressed condition, improving its handle and appearance. The final pressing removes unintended creases and enhances fabric appearance by increasing their lustre and smoothness.1 Abstract Twenty-three woolen, mixed and worsted woven fabrics made of wool, polyester/ wool, polyester/cellulosic and waste fibers underwent four different finishing treatments. The effect of the finishing on gray goods was studied by comparing the structural parameters and the results obtained by compressive and cyclic multiaxial strain testing. It was observed that finishing lead to a more fully, dimensionally stable and more relaxed fabric structure. By comparing the results obtained from finished fabrics it was possible to distinguish between the different groups of finished fabrics: Pure wool fabrics, non-pure wool fabrics, woolen fabrics made of warp worsted yarns (mixed fabrics) and pure worsted fabrics. The measured structural parameters were fabric density, thickness and mass per square meter, Eurotex and image analysis cover factors, air permeability and sonic velocity. The results given by compressional testing were compressibility, the Onions compressive index and Kawabata's linearity of compression. The results of the cyclic multiaxial strain testing were initial deformation, relaxation and creep indexes and bagginess after five deformation cycles.

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22—factors Affecting the Thickness and Compressibility of Worsted-Spun Yarns

Cited by 22 publications

References 16 publications

A Comparison of the Hairiness and Diameter of Ring and Open-End Yarns

A Comparison of the Hairiness and Diameter of Ring and Open-End Yarns

An experimental study on fabric softness evaluation

Effect of Finishing on Woven Fabric Structure and Compressional and Cyclic Multiaxial Strain Properties

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