Impact and post impact behavior of layer fabric composites

Aktaş, Mehmet; Balcıoğlu, H. Ersen; Aktaş, Alaattin; Türker, Erkan; Deniz, Mehmet Emin

doi:10.1016/j.compstruct.2012.04.008

Cited by 37 publications

(14 citation statements)

References 15 publications

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“…The force-time graph provides information about the maximum force transmitted by the sample during the impact. The position of maximum force (Fmax) on the curve is located at the highest value on the Y axis [25][26][27] for each specimen. Average maximum forcestransmitted by the specimens with plain weave were 1890N for 3J, 3997N for 10J, 4917N for 15J, while for the twill weave they were 1957N for 3J, 4369N for 10J, 5607N for 15J.…”

Section: Impact Testsmentioning

confidence: 99%

Impact Resistance of Plain and Twill Fabric in GFRP Measured by Active Thermography

Strugała

Landowski

Zaremba

et al. 2018

Advanced Composites Letters

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This paper discusses the impact resistance of glass-fibre reinforced polymer (GFRP) composites depending on the type of reinforcement -plain or twill weave. The values of impact energy were: 3J, 10J and 15J. Specimens featuring twill weave transferred higher force during the impact as compared with plain weave specimens. It was observed that an increase of impact energy was accompanied by an increase of the disproportion in transferred forces, in favour of twill weave specimens. Impact damage (in both types of weave) occurring as a result of 3J impact was undetectable with active thermography method. The damage area measured by means of active thermography for impact energy values equal to 10J and 15J proved that the type of reinforcement significantly influences the impact resistance of a composite.This has been justified by smaller damage areas with high spot intensity of damage in plain weave specimens and highly dispersed damage with lower intensity in twill weave specimens.

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Section: Impact Testsmentioning

confidence: 99%

Impact Resistance of Plain and Twill Fabric in GFRP Measured by Active Thermography

Strugała

Landowski

Zaremba

et al. 2018

Advanced Composites Letters

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“…The drop-weight impact system: a -CEAST Fractovis Plus 9350 machine, b -data acquisition system and c -clamping system by impactor [11]. Due to curves data it can be determined maximum and permanent deflection, contact time, absorbed and excessive energy [23].…”

Section: Resultsmentioning

confidence: 99%

The Impact Characteristics of Fabric Reinforced Hybrid Composites

Bunea¹,

Bosoanca²,

Eni³

et al. 2017

Mat.Plast.

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In this research, the impact behavior of hybrid composite materials subjected to low-velocity impact using the drop-weight installation was investigated. For this study were manufactured eight hybrid materials. All the materials were tested to 90J impact energy. The effect of fabric types used in outer layers on impact performance was studied. The impact characteristics of hybrid materials with G1 glass fabric sheets were compared with those of hybrid materials with G2 glass fabric sheets. The damage surfaces of hybrid laminates were examined by visual investigation. The results obtained showed that the using of G2 glass fabric in structure of hybrid materials improved considerable the impact characteristics.

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“…The constant energy observed coincides with the absorbed energy by the specimens. 26,27 The percentage of the energy absorption with regard to the impact energy given was 96 and 93% for the reference material and the filled material, respectively; the deviation in both cases has not exceeded 3.5%. The results from the impact tests for both materials are given in Table 1.…”

Section: Impact Testsmentioning

confidence: 90%

Assessing the compression after impact behaviour of innovative multifunctional composites

Pantelakis

Katsiropoulos

Polydoropoulou

2016

Nanomaterials and Nanotechnology

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In the present work, the synergistic effect of multiwalled carbon nanotubes and glycidyl polyhedral oligomeric silsesquioxanes on the compression after impact behaviour of multifunctional carbon fibre-reinforced epoxy composite plates is investigated. For the qualitative evaluation of the damage accumulation after impact, non-destructive ultrasonic C-scan tests were performed. The impact-induced material degradation was correlated with data obtained from C-scan graphs through applying the concept of the damage severity factor. The test results obtained from C-scan analysis have shown a significant increase of the damaged area after the impact tests, as compared to the unfilled material considered as 'reference'. A reduced compression after impact strength is observed for the enhanced material as compared to the reference material. To identify the type of damage, optical microscope, scanning electron microscope and energy dispersive spectroscopy analyses were made after the tests. The optical microscope analysis has shown more extended cracking and delaminations for the enhanced material. Scanning electron microscopic analysis has revealed the presence of carbon nanotube agglomerates and possible glycidyl polyhedral oligomeric silsesquioxanes aggregates which might be the cause for a degraded compression after impact behaviour of the multifunctional composites.

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Impact and post impact behavior of layer fabric composites

Cited by 37 publications

References 15 publications

Impact Resistance of Plain and Twill Fabric in GFRP Measured by Active Thermography

Impact Resistance of Plain and Twill Fabric in GFRP Measured by Active Thermography

The Impact Characteristics of Fabric Reinforced Hybrid Composites

Assessing the compression after impact behaviour of innovative multifunctional composites

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