Characterization of Biaxial and Triaxial Braids: Fiber Architecture and Mechanical Properties

Birkefeld, Karin; Röder, Mirko; Reden, Tjark von; Bulat, Martina; Drechsler, Klaus

doi:10.1007/s10443-011-9190-2

Cited by 46 publications

(34 citation statements)

References 19 publications

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“…Consequently triaxial braids have a higher stiffness than biaxial yarns. These results identified for braid confirm those obtained, and described in lot of publication [4,11,21,22,26,52,54], for composites elaborated from braided reinforcement.…”

Section: Comparison Between Biaxial and Triaxial Braids On The Tensilsupporting

confidence: 95%

The tensile behaviour of biaxial and triaxial braided fabrics

Duchamp

Legrand

Soulat

2016

Journal of Industrial Textiles

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The tensile behaviour of braid reinforcement is classically described by the behaviour of composite elaborated from these reinforcements. Few studies concern the tensile behaviour of braided fabrics. In this paper biaxial and triaxial braids are manufactured on a braiding loom. The evolution of key parameters as linear mass and braiding angle in function of process parameters is presented. Braid reinforcements are characterized in uniaxial tensile. The mechanical behaviour is analysed and compared in function of the braiding angle, but also different kinds of braid are considered. A specific behaviour called ''double-peak'' is identified for triaxial braids which have a higher braiding angle. The evolution of the braiding angle measured during tensile tests gives a comprehension on the mechanical behaviour of dry braids. Associated with this experimental study, an analytical model is also proposed, to predict mechanical properties of braid reinforcements.

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Section: Comparison Between Biaxial and Triaxial Braids On The Tensilsupporting

confidence: 95%

The tensile behaviour of biaxial and triaxial braided fabrics

Duchamp

Legrand

Soulat

2016

Journal of Industrial Textiles

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“…The approach was proposed by Huysmans et al [4,5,32,33] and is successfully applied to very different textile composites, woven [34], braided [35] and knitted [32,33]. In short, the approach will be called the "method of inclusions" (MoI).…”

Section: Methods Of Inclusionsmentioning

confidence: 99%

From a Virtual Textile to a Virtual Woven Composite

Lomov¹

2015

Woven Composites

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The future of fibre-reinforced composites, in general, and textile composites in particular, seems bright. Four industrial branches -aeronautic, automotive, sporting goods and wind energy -are now major users of composites, and their demands will shape composite material science for decades ahead.With the Airbus-380, Airbus-350 and Boeing-787 flying, and being produced by the hundreds, the aeronautics industry has a high demand for further materials, manufacturing and quality control improvement. All leading car manufacturers have developed concept solutions of composite cars, with several of them already on the roads or expected there shortly. The specific price requirements and recyclability regulations of the car industry shape the research directions in somewhat different ways than in aeronautics. The demands of wind energy industry for composites are extreme, both in production volumes and in material performance. Turbine blades of 90 metres, composed fully of composite materials need to run for 25 years in extreme, off-shore conditions at the same time, meeting the competitive cost limits of the energy market. And finally, the sporting goods industry has become almost a "traditional" user of composites, both because they allow for weight reduction and hence reduce the energy consumption by the athletes (in cycling . . . ) and they improve the control and efficiency (in skiing, tennis . . . ). Sporting goods have always been, and will remain, an ideal testing ground for new composites concepts, because the consumer demands them and the developers are not hindered by too many regulations. 109Woven Composites Downloaded from www.worldscientific.com by UNIVERSITY OF BIRMINGHAM on 08/21/15. For personal use only.

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“…7a-b. Braids are commonly used in everything from children's toys (like the finger trap) to advanced carbon fiber composites 59 . Because of its unique textile architecture, the fiber elements in a braided cylinder are free to rotate angularly with respect to one another, enabling the cylinder to increase in length when loaded (causing a simultaneous decrease in radius) 58 .…”

Section: Textile Architecture Analysismentioning

confidence: 99%

Materials and Textile Architecture Analyses for Mechanical Counter-Pressure Space Suits using Active Materials

Holschuh

Obropta

Buechley

et al. 2012

AIAA SPACE 2012 Conference &Amp; Exposition

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Mechanical counter-pressure (MCP) space suits have the potential to improve the mobility of astronauts as they conduct planetary exploration activities. MCP suits differ from traditional gas-pressurized space suits by applying surface pressure to the wearer using tight-fitting materials rather than pressurized gas, and represent a fundamental change in space suit design. However, the underlying technologies required to provide uniform compression in a MCP garment at sufficient pressures for space exploration have not yet been perfected, and donning and doffing a MCP suit remains a significant challenge. This research effort focuses on the novel use of active material technologies to produce a garment with controllable compression capabilities (up to 30 kPa) to address these problems. We provide a comparative study of active materials and textile architectures for MCP applications; concept active material compression textiles to be developed and tested based on these analyses; and preliminary biaxial braid compression garment modeling results. Nomenclature DEA= dielectric elastomer actuator EAP = electroactive polymer EMU = extravehicular mobility unit EVA = extravehicular activity MCP = mechanical counter-pressure NASA = National Aeronautics and Space Agency SMA = shape memory alloy SMP = shape memory polymer

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Characterization of Biaxial and Triaxial Braids: Fiber Architecture and Mechanical Properties

Cited by 46 publications

References 19 publications

The tensile behaviour of biaxial and triaxial braided fabrics

The tensile behaviour of biaxial and triaxial braided fabrics

From a Virtual Textile to a Virtual Woven Composite

Materials and Textile Architecture Analyses for Mechanical Counter-Pressure Space Suits using Active Materials

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