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Development of Multilayer Woven Fabrics for the Adoptive Geometry Composite Structure

Zubair Zakariya, Alali Moussa, L'hostis Gildas, Zubair Muhammad, Drean Jean-Yves

Fibres & Textiles in Eastern Europe

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2021

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Vol. 29, no. 4 (148)

56--61

EN

In this study nine multilayer 3D woven structures were produced using polyamide filament yarns both in the warp and weft direction. Three different weaves: plain, 1/3 twill and 3/1 rib in the middle layer, and plain weave in both the top and bottom layers were produced. All specimens were developed on a narrow weaving machine equipped with multi beams and creel options. The samples were tested for tensile strength, air permeability, compressibility, resilience, bending and shear stiffness. Better compressibility was observed in 3/1 warp rib, followed by 1/3 twill and plain weave in the middle layer. Shear stiffness and bending rigidity were higher for those fabrics which had a plain weave in all layers and higher filling density. The air permeability was higher for low weft density, plain weave and its derivative 3/1 warp rib in the middle layer. Tensile strength was higher for those fabrics which were produced with higher weft densities.

PL

W badaniu wytworzono dziewięć wielowarstwowych tkanych struktur 3D z przędz z włókien poliamidowych zarówno w kierunku osnowy, jak i wątku. Zastosowano trzy rodzaje splotów. Próbki zbadano pod kątem wytrzymałości na rozciąganie, przepuszczalności powietrza, ściśliwości, sprężystości, zginania i sztywności. Wartości sztywności były wyższe dla tych tkanin, które miały splot płócienny we wszystkich warstwach i większą gęstość wypełnienia. Przepuszczalność powietrza była wyższa dla wątku o małej gęstości i splotu płóciennego. Wytrzymałość na rozciąganie była wyższa dla tkanin, które były wytwarzane z większą gęstością wątku.

2

Development Of 3D Woven Fabric Based Pressure Switch

Shaker K., Nawab Y., Javaid M. U., Umair M., Maqsood M.

Autex Research Journal

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2015

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Vol. 15, no. 2

148--152

EN

This paper introduces a 3D woven fabric-based approach for the development of pressure switch. A fabric substrate, being elastic and extendable is very useful in addition to its high breaking strength and low cost. The developed resistive-type switch is based on the multilayer interlock 3D fabrics. In the top and bottom layers, certain number of conductive yarns are woven separated by cotton yarns in both transversal and thickness direction. Application of pressure makes the layers of conductive yarn to come in contact, resulting in a short circuit, which may be recorded using multi-meters. Removing the pressure cause the connection points to separate away and it depends on the weave design. Such switch can be used as an on/off switch for usage in security systems, can be sewn into carpets and wearable garments for a number of purposes.

3

Computer programs for tests of textile protections

Ertel M.

Zeszyty Naukowe. Włókiennictwo / Politechnika Łódzka

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2000

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z. 58

257-260

EN

The Institute of Technical Textiles "Moratex" in Łódź bas been carrying out scientific and research works for many years in order to make modern personał protections against bullet fired from firearm [1]. Bullet proof vests with protective elements in the form of ballistic inserts are the most popular among them. Standard ballistic insert is made of multilayer fabric compositions of synthetic fibres of high strength. The vests are put to many tests to prove their usable and protective qualities. An evaluation of bullet resistance is the basic test, which is carried out in accredited laboratories. The Institute of Technical Textiles "Moratex" has a Ballistics Laboratory, which bas a certificate of accreditation of the Polish Centre of Tests and Certification to carry out resistance tests of protective products.