Development of novel cost effective hybrid ply carbon-fibre composites

Hitchen, S.A.; Kemp, R.M.J.

doi:10.1016/0266-3538(96)00064-4

Cited by 12 publications

(4 citation statements)

References 13 publications

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“…In terms of economic considerations, hybridization of carbon fibers with relatively inexpensive materials like E-glass will enable cost savings for military and civil aerospace industries. Hitchen and Kemp [3] developed a novel cost effective hybrid carbonfiber composite approach and evaluated the effect of ply sequence on the mechanical and low energy impact behavior of such carbon composites.…”

Section: Introductionmentioning

confidence: 99%

Effect of Stacking Sequence on the Mechanical Properties of Glass–Carbon Hybrid Composites before and after Impact

Önal

Adanur

2002

Journal of Industrial Textiles

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Hybrid composites are susceptible to accidental low energy impacts from hazards such as tools dropping during maintenance, transportation debris and hailstones. These impacts can cause significant strength reduction and localized damage which is potentially a source of mechanical weakness especially for graphite composites. The effect of stacking sequence on mechanical properties of stitched composites is studied for low velocity impact damages. Tests were performed for the same volume fraction (V f ) with different hybrid sequence and ply angle. The incorporation of glass fibers in carbon reinforced structures improved impact properties and increased the strain to failure. The addition of carbon fibers to the surface of glass-reinforced composites increases the flexural modulus for undamaged samples. Tensile failure mechanism of damaged plies seems to be affected by the interaction of reinforcement property, hybrid order and ply angle.

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Section: Introductionmentioning

confidence: 99%

Effect of Stacking Sequence on the Mechanical Properties of Glass–Carbon Hybrid Composites before and after Impact

Önal

Adanur

2002

Journal of Industrial Textiles

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“…The GF s /CF c /PA 6 sandwich composite actually shows lower flexural properties than CF s /GF c /PA 6. It is known that when stress is applied to the flexural sample, the core fails first, followed by the skin layer 7. Carbon fiber, being more brittle than glass fiber, fails easily under applied stress.…”

Section: Resultsmentioning

confidence: 99%

Microstructure and fracture behavior of (co)injection‐molded polyamide 6 composites with short glass/carbon fiber hybrid reinforcement

Solomon

Bakar

Ishak

et al. 2005

J of Applied Polymer Sci

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ABSTRACT:The mechanical and fracture properties of injection molded short glass fiber)/short carbon fiber reinforced polyamide 6 (PA 6) hybrid composites were studied. The short fiber composites of PA 6 glass fiber, carbon fiber, and the hybrid blend were injection molded using a conventional machine whereas the two types of sandwich skincore hybrids were coinjection molded. The fiber volume fraction for all formulations was fixed at 0.07. The overall composite density, volume, and weight fraction for each formulation was calculated after composite pyrolysis in a furnace at 600°C under nitrogen atmosphere. The tensile, flexural, and single-edge notch-bending tests were performed on all formulations. Microstructural characterizations involved the determination of thermal properties, skin-core thickness, and fiber length distributions. The carbon fiber/PA 6 (CF/PA 6) formulation exhibits the highest values for most tests. The sandwich skin-core hybrid composites exhibit values lower than the CF/PA 6 and hybrid composite blends for the mechanical and fracture tests. The behaviors of all composite formulations are explained in terms of mechanical and fracture properties and its proportion to the composite strength, fiber orientation, interfacial bonding between fibers and matrix, nucleating ability of carbon fibers, and the effects of the skin and core structures. Failure mechanisms of both the matrix and the composites, assessed by fractographic studies in a scanning electron microscope, are discussed.

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“…Cost reduction strategies include the use of natural fibres [6], recycled carbon and glass fibres [20][21][22] and supplementation with less expensive low modulus fibre [23]. Process research has been undertaken on production of aligned, shorter fibre composites through methods such as the 3D Engineered Preforms (3DEP) [24] and Direct ReInforced Fibre Technology (DRIFT) processes [25], particularly in conjunction with recycled carbon or glass fibres.…”

Section: Introductionmentioning

confidence: 99%

A performance versus cost analysis of prepreg carbon fibre epoxy energy absorption structures

Meredith

Bilson

Powe

et al. 2015

Composite Structures

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a b s t r a c tCarbon fibre epoxy composites are sought after for their excellent specific energy absorption (SEA) but are costly. A range of prepreg carbon fibre epoxy layups were subjected to a 10 m/s impact with 4 kJ of energy. Fibre volume fraction and voidage were determined for each sample and the fracture analysed in detail. SEA ranged from 35.27 J/g to 60.25 J/g with the highest performance from 8 plies of 200 gsm 2 Â 2 twill all laid at 0°. Vacuum assisted oven cure resulted in higher voidage than autoclave cure (2.52% versus 0.17%) but did not affect SEA. According to a ratio of performance to cost the highest rated samples were an 8 ply oven cure and a 3 ply autoclave cure specimen and there was little difference between them. This work has highlighted that there is enormous potential for cost reduction of prepreg carbon fibre epoxy energy absorption structures through the use of heavier areal weight fabrics and fewer plies as well as through the use of oven cured prepreg. Crown

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Development of novel cost effective hybrid ply carbon-fibre composites

Cited by 12 publications

References 13 publications

Effect of Stacking Sequence on the Mechanical Properties of Glass–Carbon Hybrid Composites before and after Impact

Effect of Stacking Sequence on the Mechanical Properties of Glass–Carbon Hybrid Composites before and after Impact

Microstructure and fracture behavior of (co)injection‐molded polyamide 6 composites with short glass/carbon fiber hybrid reinforcement

A performance versus cost analysis of prepreg carbon fibre epoxy energy absorption structures

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