Combined impact and fatigue of glass fiber reinforced composites

Tong, Yuanjian; Isaac, D.H.

doi:10.1016/j.compositesb.2007.03.005

Cited by 54 publications

(34 citation statements)

References 16 publications

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“…Point C has a great importance. As investigated in the literature [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17] as a result of particle impingements, there may many broken fibres, matrix cracks, fibre/matrix interfacial deformations and subsurface deformations like intralaminar cracks, interlaminar delaminations occurred at and around point ''C''. As already known, the carbon fibres bear the high percentage of flexural load.…”

Section: Resultsmentioning

confidence: 99%

“…5. Beside the remarkable difference in wear morphology at first layer, due to the maximum kinetic energy transfer by the particles at the impingement angle of 90°, there was a possible damage on the composite such as fibre cracks, matrix micro cracks, delaminations and also residual stresses may have occurred in the material [7][8][9][10][11][12][13][14][15][16][17].…”

Section: Resultsmentioning

confidence: 99%

“…In recent years experimental studies mainly focussed on the effects of impact loads on damage morphology and residual mechanical properties of polymer composites [10][11][12][13][14][15][16][17].…”

Section: Introductionmentioning

confidence: 99%

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Residual mechanical properties of carbon/polyphenylenesulphide composites after solid particle erosion

2008

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

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Residual mechanical properties of carbon/polyphenylenesulphide composites after solid particle erosion

2008

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“…It was found that the fatigue strength of the CFRP was affected by the sequence, with the effect being more pronounced in the case when the sinusoidal load followed the impact than in the converse sequence. Similar experiments have been performed with a glass fibrereinforced composite [7], where it was found that a simple out-of-plane impact had a significant effect on the fatigue life and that this behaviour was strongly related to the post-impact residual strength.…”

Section: Introductionmentioning

confidence: 52%

Delamination in adhesively bonded CFRP joints: Standard fatigue, impact-fatigue and intermittent impact

Casas-Rodríguez

Ashcroft

Silberschmidt

2008

Composites Science and Technology

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The response of adhesive joints to three fatigue regimes, namely; constant amplitude sinusoidal loading (standard fatigue, SF), cyclic in-plane impacts (impact fatigue, IF) and a combination of the two (CSIF), has been investigated. The samples used in this study were carbon fibre reinforced polymer (CFRP) lap-strap joints (LSJs) bonded with a rubber modified epoxy adhesive. It was observed that fatigue fracture at very low load amplitudes occurred in IF. Two main patterns of failure were observed in SF; cohesive failure in the adhesive, which was linked to slow fatigue crack growth behaviour, and a mixed-mode failure, involving failure in both the adhesive and the CFRP. In addition, it was observed that the transition from cohesive to mixed mode failure was accompanied by crack growth acceleration. In IF it was seen that all failure was of a mixed-mechanism nature. In the combined standard and impact fatigue it was seen that the introduction of a relatively small number of impacts between SF blocks drastically changed the dynamics of fatigue crack propagation, increasing the crack rate. A further observation was that cavitation of rubber particles in the adhesive, which is seen as evidence of active toughening, was affected by the addition of impact loading.

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“…It was found that fatigue strength of CFRP was affected by the sequence, with the effect being more pronounced in the case in which the sinusoidal load followed the impact than in the inverse sequence. Similar experiments were performed with a glass fibre-reinforced composite (GFRP) (Yuanjian & Isaac, 2007), in which it was found that a single transversal impact had a significant effect on the fatigue life and that behaviour was strongly related to the post-impact residual strength.…”

Section: Frpc Under Impactmentioning

confidence: 63%