The effect of orientation on the shock response of a carbon fibre–epoxy composite

Millett, J. C. F.; Bourne, N. K.; Meziere, Y.; Vignjević, Rade; Lukyanov, Alexander A.

doi:10.1016/j.compscitech.2007.03.034

Cited by 68 publications

(77 citation statements)

References 26 publications

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“…However, in recent work on the shock response of carbon fiber composites Millett et al [1] found vastly different behaviour between the weave angled at 0 • and 90 • . The 90 • (fiber weave perpendicular to the shock front) showed considerable deviation from the hydrostatic pressure over the investigated pressure range (0 to 6 GPa); whereas the 0 • showed little to no deviation until pressures of about 6 GPa.…”

Section: Introductionmentioning

confidence: 99%

The shock response of a tape wrapped carbon fiber composite

Wood¹,

Hazell²,

Appleby-Thomas³

et al. 2012

AIP Conference Proceedings

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Abstract. Carbon fiber composites are becoming ever more important in the design and construction of vehicles for the aerospace industry. Such vehicles will be subjected to transient loading during their inservice lives. Consequently, it is important to know how carbon fiber composites behave while under shock loading. This study investigates the shock response of a tape wrapped carbon fiber composite with a phenolic resin matrix and with the carbon fiber weave angled perpendicular to the direction of impact. The Hugoniot equation of state was found to be linear and of the form U S =3.69+0.59u p . Periodic oscillations were observed on many of the traces, attributed to interactions between the various layers of the composite. Further, a Hugoniot elastic limit of 1.39 ± 0.19 GPa was found. Finally, embedded lateral stress gauges indicated that at low pressures (< 5 GPa), lateral stresses in the composite were comparable to what would be expected in the matrix material alone, e.g. the lateral behaviour was highly dependent on the phenolic resin.

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Section: Introductionmentioning

confidence: 99%

The shock response of a tape wrapped carbon fiber composite

Wood¹,

Hazell²,

Appleby-Thomas³

et al. 2012

AIP Conference Proceedings

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“…In these environments, composites are engineered with increasing strength and with components at scales from micron fibres to nanoscale carbon inclusions [3,4]. Further, understanding of the dynamic response of polymers and polymer matrix composites at high pressures and strain rates is vital to fully describe the response of structures [5][6][7][8][9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

On the Shock Response of Polymers to Extreme Loading

Bourne

2016

J. dynamic behavior mater.

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This paper reviews polymer response to shock and discusses how plastics behave differently depending on the strain rate applied. The author uses polyethylene, polytetrafluroethylene, polycarbonate and epoxy as example materials. It is suggested that there are two distinct regimes of polymer response corresponding to low and high shock pressures (weak and strong shock regimes) that must be considered separately. Above a high pressure threshold it is proposed that polymers homogenize to carbon-containing structures which behave similarly. Further, the yield stress of a polymer volume element asymptotes to the theoretical strength of the material as volume shrinks to zero. It is suggested that these two behaviours reflect the same physics and this feature is common to the condition identified earlier for crystalline materials.

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“…The SATAC research program (Shock Adhesion Test for Adhesively Bonded Composites) aims to study the composites behaviour at very high strain rate in order to test their adhesion [15][16][17]. Other studies describe the behaviour of CFRP laminates under plate impact in the through-thickness direction [18], and along the fibre direction [19,20]. The response of glass fibers reinforced epoxy [21,22] Kevlar/epoxy and Spectra/epoxy composites [23] to a planar impact has also been investigated.…”

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confidence: 99%

Study of the response of CFRP composite laminates to a laser-induced shock

Gay

Berthe

Boustie

et al. 2014

Composites Part B: Engineering

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is an open access repository that collects the work of Arts et Métiers ParisTech researchers and makes it freely available over the web where possible. b s t r a c tLaser-induced shock yields to a local tensile stress within a sample. This high strain rate stress can be used to verify the bond strength between two layers. This method has been applied to Carbon Fibre Reinforced Polymer (CFRP) composite laminates, involved in aeronautic or defense industry. Experiments have been carried out on high power laser facility in the nanosecond regime. A velocimetry interferometer has been used to record the material velocity at the back surface of the samples. This study provides a comprehensive approach of the response of CFRP laminates of different thicknesses to a shock load normal to the fibres direction. The stress waves generation and propagation within the laminate and the induced delamination are key issues of this work. The main result is the ability of the technique to evaluate the out-of-plane strength of these laminates.

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The effect of orientation on the shock response of a carbon fibre–epoxy composite

Cited by 68 publications

References 26 publications

The shock response of a tape wrapped carbon fiber composite

The shock response of a tape wrapped carbon fiber composite

On the Shock Response of Polymers to Extreme Loading

Study of the response of CFRP composite laminates to a laser-induced shock

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