A Review on Drapeability of Natural Fibre-made Fabrics
01 Jan 2014-
TL;DR: In this paper, the authors reviewed and analyzed the various attributes of natural fibre-made fabrics such as jute, cotton, silk and wool focusing mainly on their draping behavior, determining their strengths and weakness considering the future direction of research to overcome their deficiencies.
Abstract: Amongst the different property parameters of the produced fabric, drapeability of fabric is one of the crucial parameters with respect to end uses. It is the ability of fabric to hang freely in graceful folds when some area of it is supported over a surface and the rest is unsupported. During the application of different fabrics, both in industrial and apparel sector, it has been observed that the ability of the fabric to assume a graceful appearance of the contour is very vital conveying the significance of drapeability of the fabric. With the growing environmental concerns and eco-sustainability, the global emphasis is towards the application of eco- concordant, bio-degradable, renewable green products and this has inclined towards the natural fibre-made fabrics scoring them over their manmade counter parts and making them a natural choice for the mankind. The natural fibre-made fabrics have proven records of efficacy to prove their mettle match with manmade fabrics in different areas of application. This paper has reviewed and analyzed the various attributes of natural fibre-made fabrics such as jute, cotton, silk and wool focusing mainly on their draping behavior, determining their strengths and weakness considering the future direction of research to overcome their deficiencies.
Citations
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TL;DR: In this paper, the thickness of the paste and the concentration of the copper were studied in textiles and the electrical surface resistance decreased from 68 MΩ to 8 M Ω with decreasing in coating thickness.
Abstract: Conducting polymer coated in textiles possess a wide range of electrical properties. The surface resistivity is influenced by concentrations of the reactants, thickness of the coating, nature of the substrate surface, extent of penetration of the polymer into the textile structure and the strength of the binding of the coating to the textile surface. Low resistivity in fabric results from highly doped thicker coatings that penetrate well into the textile structure thus enabling good electrical contact between fibers.
In this study, we had chosen copper as conductor polymer for coating. The electrical conductivity is influenced by the thickness of coating paste, the nature of the substrate surface. The thickness of the paste and the concentration of the copper were studied in this paper. Furthermore, the electrical surface resistance decreased from 68 MΩ to 8 MΩ with decreasing in coating thickness. However, the thickness of coated fabric is very important factor to determine conductivity and application of textile. In addition, we had noticed that the airflow is affected by the coating thickness which the penetration of the airflow differs from the lower thickness to the higher one.
This study confirm that we can use coating woven fabric to develop a textile substrate responding to characteristics such as electrical resistance, drapability, air permeability and tensile strength, which are particularly important to be used as a support for flexible photovoltaic cells in clothes.
Cites background from "A Review on Drapeability of Natural..."
...The assumption is that vapour travels mainly through fabric spaces by diffusion in air from one side of the fabric to the other [9,10]....
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References
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TL;DR: In this article, an instrument is described on which it is possible to measure the angle through which a specimen of cloth droops when a definite length is held out over an edge.
Abstract: In judging the feel or “handle” of a material, use is made of such sensations as stiffness or limpness, hardness or softness, and roughness or smoothness. It is desirable to devise physical tests that analyse and reflect the sensations felt and assign numerical values to the measurements. The present paper describes tests that reflect the first groups of sensations, namely, stiffness and hardness, whilst the sensation that is experienced in stroking a material, obviously connected with frictional properties, will be dealt with in another paper. An instrument is described on which it is possible to measure the angle through which a specimen of cloth droops when a definite length is held out over an edge. By means of a mathematical formula that is fully developed in an appendix to the paper this angle is converted into a term called the bending length of the material. This quantity may be defined as the length of fabric that will bend under its own weight to a definite extent. It is strictly a meas...
605 citations
"A Review on Drapeability of Natural..." refers background or methods in this paper
...Peirce [1] produced a formula for calculating the stiffness of a fabric in any direction in terms of the stiffness in the warp and weft direction....
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...The research into fabric drape dates back to the classic paper published by Pierce [1] in 1930s with the title “The Handle of Cloth as a Measurable Quantity....
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...Peirce [1] commented that bending length from the...
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...The research into fabric drape dates back to the classic paper published by Pierce [1] in 1930s with the title “The Handle of Cloth as a Measurable Quantity.”...
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...Cantilever methods were first introduced‟ by Peirce (1930) [1] for the evaluation of fabric drape, his methods were based on the recognition that stiffness has large effect on drapeability....
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TL;DR: In this paper, the draping behavior of fabric treated as an orthotropic shell membrane is predicted by using a geometric non-linear finite-element method, and the results are compared with actual behaviour.
Abstract: The draping behaviour of fabric treated as an orthotropic shell membrane is predicted by using a geometric non-linear finite-element method, and the results are compared with actual behaviour. A drape tester employing photovoltaic cells was designed and constructed to determine the drape coefficient of fabric specimens of 10-in. diameter. The warp- and weft-direction tensile moduli of these samples were determined by using a Kawahata Tensile and Shear Tester, and literature values of Poisson's ratio were obtained. With this approach, excellent agreement between experimental and predicted drape coefficients resulted. For a 100% cotton plain-weave fabric, a drape coefficient of 68.4% was experimentally determined as compared with a predicted value of 71.0%.
169 citations
TL;DR: In this article, the relationship between the fabric drape coefficient from the Cusick drapemeter and mechanical properties tested on the Kawabata Evaluation System for Fabrics (KES-F) for woven fabrics is investigated.
Abstract: We investigate the relationship between the fabric drape coefficient from the Cusick drapemeter and mechanical properties tested on the Kawabata Evaluation System for Fabrics (KES-F) for woven fabrics. This is the first attempt at determining a compre hensive relationship between the fabric drape coefficient and mechanical properties. Drape coefficient (DC) is the dependent variable. Sixteen mechanical properties tested on the KES-F system and their transformed forms are the independent variables. Four regression models are proposed: the multiple linear regression of the DC with KES-F original data, Niwa's model, logarithms for KES-F data, and logarithms for both the DC and KES-F data. Except for an initial run with Niwa's model, the mechanical properties correlated to drape coefficient are reduced to three or four by screening out intercor related parameters using stepwise regression. The regression results are analyzed in terms of correlation coefficients, residuals. and T values. The version with logar...
99 citations
"A Review on Drapeability of Natural..." refers background in this paper
...Hu and Chan (1998) [33] have investigated that that relation between the fabric drape coefficient and from that Cusick drapemeter and mechanical properties tested on Kawabata Evaluation System for Fabrics (KES-F) for woven fabrics....
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TL;DR: In this paper, the authors reviewed the technological importance of the complex buckling of textile fabrics and discussed the limitations of conventional applied mechanics and of the empirical textile approaches, and gave an outline of a mechanical analysis directly applicable to isotropic Hookean materials and presented the results of numerical computation.
Abstract: This paper reviews the technological importance of the complex buckling of textile fabrics and discusses the limitations of conventional applied mechanics and of the empirical textile approaches. It stresses the importance of the occurrence of membrane strains in double curvature over finite areas, discusses briefly the special characteristics of the mechanical properties of fabrics, and describes the approach to the problem through minimization of the energy of deformation in three-fold buckling, which is the basic form for more complicated buckling patterns. The paper gives an outline of a mechanical analysis directly applicable to isotropic Hookean materials and presents the results of numerical computation, which show the effect of changing parameters. Some observed views of buckling are also included.
91 citations
TL;DR: In this article, the authors measured fabric drape of a number of fabrics using a digital Drape Tester and was found to be significantly correlated with the subjective evaluation of drape.
Abstract: Fabric drape of a number of fabrics was measured using a digital Drape Tester and was found to be significantly correlated with the subjective evaluation of drape. Fabrics were draped on two different-sized pedestal plates, and differences in draping behavior between plates and among fabrics were determined Composite drape values measured on the Drape Tester differentiated the draping behavior of the different fabrics. Drape was also correlated with mechanical properties of the fabrics. The mechanical property values were used to formulate predictive equations for fabric drape. Shear hysteresis and bending resistance were found to be most closely associated with fabric drape.
79 citations
"A Review on Drapeability of Natural..." refers background in this paper
...(1991) [24] designed a digital drapemeter to measure fabric drape co-efficient by using photo-voltaic cells....
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