Mechanics of non-orthogonally interlaced textile composites

Potluri, Prasad; Manan, Abdul

doi:10.1016/j.compositesa.2006.04.008

Cited by 71 publications

(36 citation statements)

References 21 publications

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“…Moreover, tensile experimental results were in good agreement with those of similar braided structures in the literature [19,27,28]. Similar reports on the bending behavior were also observed in some research works [25,26]. All in all, overbraiding the unidirectional core in pultruded rods, leads to a considerable improvement in their shear modulus and at the same time, a drop in their tensile and flexural properties compared to their UD pultruded counterparts with the same fiber volume fraction and diameter.…”

Section: Resultssupporting

confidence: 79%

“…0.77, shear modulus is about 1.5 times higher than that for UD rod. Although there are a few works investigating the properties of BP rods, comparing the experimental results to those of similar braided structures in the literature shows good agreements [22,25,26]. Results from tensile and bending tests showed all rods had linear behavior in tension and flexure.…”

Section: Resultsmentioning

confidence: 78%

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An experimental study on mechanical properties of GFRP braid-pultruded composite rods

Ahmadi¹,

Johari²,

Sadighi³

et al. 2009

Express Polym. Lett.

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Abstract. In this work, a conventional textile braiding machine was modified and added to a pultrusion line in order to produce glass fiber reinforced composite rods by braiding-pultrusion technique. Braid-pultruded (BP) rods were produced with three braid roving linear densities and also with three different braid angles. To study the influence of overbraiding on mechanical properties of pultruded rods, unidirectional (UD) rods, without braided fabric, were produced, as well. All rod types were subjected to tensile, bending and torsion tests. The experimental results showed that BP rods have considerably higher shear modulus, but lower tensile modulus and flexural rigidity than those of UD pultruded rods, when fiber volume fraction is kept constant. Moreover, rods produced with higher braid roving linear densities had better torsional, but lower tensile and flexural properties. The highest shear modulus was observed in BP rods with braid angle of 45°.

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Section: Resultssupporting

confidence: 79%

Section: Resultsmentioning

confidence: 78%

An experimental study on mechanical properties of GFRP braid-pultruded composite rods

Ahmadi¹,

Johari²,

Sadighi³

et al. 2009

Express Polym. Lett.

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“…In this process a braiding loom deposits continuous, intertwined fibre tows to create a desired reinforcing braid architecture [6] and offers several advantages like control over the fibre deposition angle and fast fibre deposition rate [7][8][9][10][11][12][13]. At a minimal level, a braid (denoted biaxial braid) is constituted with two groups of yarns intertwined.…”

Section: Introductionmentioning

confidence: 99%

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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“…For instance, the aerospace industry has taken a keen interest in composite materials with recent commercial aircraft comprising predominantly of composite materials [1]. Textile composites are produced by interlacing two or more fibres together in a determined architecture, which can be woven, braided, knitted or stitched.…”

Section: Introductionmentioning

confidence: 99%