Effect of abrasion level on surface handling and thermal conductivity of blended suit fabrics
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Cited by 2 publications
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Modifying 3D composite textiles as functional panels
Honeycomb fabric-reinforced composites have been widely used recently, due to their prominent properties, when compared to other materials. This is because they are lighter in weight and stronger than other materials. Thus, they can absorb different types of energies, such as mechanical and thermal energies. A multi-layer fabric is developed by creating a unique fabric structure, to enable the presence of air voids within the panels produced, which diminishes the heat transfer rate through the material. The structure applied in samples used in this manuscript is novel, as it consists of a 3D fabric produced using a traditional loom with a special technique, by dividing the warp yarns into four layers. A skin of textile, produced from textile wastes, is applied, along with the technique of hardening the 3D fabrics to keep the open areas in the structure with the aid of pre-designed pins and a resin. The composite panel was produced with the pins used to open the fabric’s structure, and the resin was applied as a matrix holding the structure and keeping its dimensions. Panels of the 3D fabric-reinforced composite obtained from cotton and polyester yarns were produced, to achieve thermal insulation and good mechanical properties, which enable the use of the fabric in various applications. The fabric has two panels of each material, one with skin and the other without skin. This skin consists of low-quality fabric, mainly made from textile wastes. The physical and mechanical characteristics of the developed panels were measured. Functional performance, such as thermal and sound properties, were also measured. Testing thermal conductivity, it was found that panels made of cotton had higher conductivity than panels made of polyester. In addition, the presence of the skin improved the thermal insulation and mechanical strength of the panels compared to those without skin. In mechanical testing, polyester-based panels showed better mechanical properties than panels based on cotton. In sound absorption testing, all samples reached the limits for sound absorption. The number of layers affected the sound absorption coefficient (SAC) and the noise reduction coefficient (NRC). Also, the presence of the skin improved NRC. Finally, all samples had an aesthetic appearance, due to the presence of surface waves, but the sample containing the polyester material, with double layers, and the laminated skin made of waste fabric had the highest functional panel performance, in terms of radar chart areas. This means that it can be used in the field of architecture as a façade panel or as an indoor wall used for isolation, which do not require paint.
Modifying 3D composite textiles as functional panels
Honeycomb fabric-reinforced composites have been widely used recently, due to their prominent properties, when compared to other materials. This is because they are lighter in weight and stronger than other materials. Thus, they can absorb different types of energies, such as mechanical and thermal energies. A multi-layer fabric is developed by creating a unique fabric structure, to enable the presence of air voids within the panels produced, which diminishes the heat transfer rate through the material. The structure applied in samples used in this manuscript is novel, as it consists of a 3D fabric produced using a traditional loom with a special technique, by dividing the warp yarns into four layers. A skin of textile, produced from textile wastes, is applied, along with the technique of hardening the 3D fabrics to keep the open areas in the structure with the aid of pre-designed pins and a resin. The composite panel was produced with the pins used to open the fabric’s structure, and the resin was applied as a matrix holding the structure and keeping its dimensions. Panels of the 3D fabric-reinforced composite obtained from cotton and polyester yarns were produced, to achieve thermal insulation and good mechanical properties, which enable the use of the fabric in various applications. The fabric has two panels of each material, one with skin and the other without skin. This skin consists of low-quality fabric, mainly made from textile wastes. The physical and mechanical characteristics of the developed panels were measured. Functional performance, such as thermal and sound properties, were also measured. Testing thermal conductivity, it was found that panels made of cotton had higher conductivity than panels made of polyester. In addition, the presence of the skin improved the thermal insulation and mechanical strength of the panels compared to those without skin. In mechanical testing, polyester-based panels showed better mechanical properties than panels based on cotton. In sound absorption testing, all samples reached the limits for sound absorption. The number of layers affected the sound absorption coefficient (SAC) and the noise reduction coefficient (NRC). Also, the presence of the skin improved NRC. Finally, all samples had an aesthetic appearance, due to the presence of surface waves, but the sample containing the polyester material, with double layers, and the laminated skin made of waste fabric had the highest functional panel performance, in terms of radar chart areas. This means that it can be used in the field of architecture as a façade panel or as an indoor wall used for isolation, which do not require paint.
Acoustic and thermal performance of home furnishings made of blended cotton-jute fabrics
This paper aims to examine the performance of home furnishing applications such as curtains, floor coverings, blankets or pillows to be air permeable, thermal insulators or sound absorbing materials. Two types of fillers, banana fibers and mini Styrofoam balls, were used in different proportions. Plain 1/1, twill 2/2, and sateen four weave structures made of jute-cotton fabrics were implemented by 12 and 16 picks per inch. The KES-F7 Thermo Labo apparatus was used to test the thermal conductivity of fabrics, SDL ATLAS M021 A tester was used to test air permeability, and the sound absorption coefficient (SAC) was measured using the impedance tube. The effect of different number of fabric layers (1, 2 or 3), different types of fillers between two layers of fabric and an air gap between the back plate and fabric samples during the sound absorption test was investigated. Along with two sewing techniques, lockstitch and 3-thread overlock stitch, two layers of optimal sound absorbing samples were joined together to examine the effect of different fillers on fabric properties. Radar chart, ANOVA analysis and coefficient of correlation were used as statistical tools to analyse the results. It was found that the lockstitch demonstrated better sewing performance compared to 3-thread overlock stitch. For triple-layered fabric with a twill structure, increasing the air gap between the back plate of the impedance tube and the fabric sample shifted the resonance frequency from 1600 Hz (SAC 0.97) to 1000 Hz (SAC 0.97). When using banana fibers with sateen structure, the resonance frequency remained at 6300 Hz but with an improved of SAC 0.96 compared to SAC 0.93. On the other hand, combining Styrofoam balls and banana fibres as fillers with a twill structure shifted the resonance frequency from 6300 Hz (SAC 0.93) to 4000 Hz (SAC 0.93).
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