Low velocity impact behavior of interlayer hybrid composite laminates with carbon/glass/basalt fibres

Chen, Dongdong; Luo, Quantian; Meng, Maozhou; Li, Qing; Sun, Guangyong

doi:10.1016/j.compositesb.2019.107191

Cited by 162 publications

(57 citation statements)

References 55 publications

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“…On the other hand, delamination developed in samples with a/t = 0.5 was observed to begin from the edge of the initial surface crack. This suggests that the stress intensity of the initiation cracks is severe enough to trigger delamination between laminates [28].…”

Section: Damage Progression By Impactmentioning

confidence: 99%

“…The formation and progression of surface cracks are also very important in composite materials [1,24,25]. For this reason, materials are expected to exhibit the mechanical behavior predicted in the design and keep the structural integrity under impact loads [26][27][28]. The chemical and mechanical effects on the surface of materials may result in notches or cracks [29].…”

Section: Introductionmentioning

confidence: 99%

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Investigation of the effect of surface crack on low-velocity impact response in hybrid laminated composite plates

Güneş

Şahi̇n

2020

J Braz. Soc. Mech. Sci. Eng.

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Composite materials can be damaged in the environments in which they are used, due to the loads they are exposed to or due to different effects on the production processes. The formation processes of these damages generally develop as crack formation or progress of the existing crack. For this reason, it is very important to investigate the behavior of the crack that occurs after the dynamic loads to which the composite materials are exposed. In this study, the dynamic behaviors of hybrid laminated composites with different surface crack geometries were investigated. Surface cracks with different crack depthto-thickness (a/t) and crack depth-to-crack width (a/c) ratios were machined upon hybrid composite laminates and subjected to low-velocity impact tests under 2 m/s, 2.5 m/s and 3 m/s impact velocities. The effect of different surface crack geometries upon variation of contact force versus time, variation of contact force versus displacement and variation of absorbed/rebound energy have been evaluated. The effect of surface crack geometry and impact velocity upon contact stiffness and bending stiffness was also evaluated. Damage formation during impact loading was examined by scanning electron microscopy and optical microscopy. After the evaluations, the damage behaviors caused by the dynamic loads depending on the initial surface crack geometry were examined in detail.

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Section: Damage Progression By Impactmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Investigation of the effect of surface crack on low-velocity impact response in hybrid laminated composite plates

Güneş

Şahi̇n

2020

J Braz. Soc. Mech. Sci. Eng.

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“…Among the typical damage modes for composites, delamination is regarded as the most significant mode because it may propagate undetectably and result in the unforeseen collapse of the structures [35]. The cohesive zone model (CZM) has been widely used in many previous works [36,37,38,39,40,41]. The mixed mode cohesive laws have to reduce to the corresponding normal and tangential tractionseparation laws under pure mode loading.…”

Section: Introductionmentioning

confidence: 99%

Numerical investigation on the repeated low-velocity impact behavior of composite laminates

Zhou

Wen

Wang

2020

Composites Part B: Engineering

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The dynamic mechanical responses and damage development of cross-ply composite laminates under repeated low-velocity impact are investigated through finite element simulations with ABAQUS/Explicit. A progressive damage model for laminates, consisting of the continuum damage model, the 3D Hashin failure criterion and the damage evolution model based on equivalent displacement, is integrated with the bilinear traction-separation relationship cohesive model to simulate the damage initiation, evolution and propagation behavior of different damage modes in composite laminates. Compared with the experimental results, the established finite element model was validated through the global mechanical response and damage distribution contous. Besides, a mesh refinement study was performed by using three different element sizes. The validated model was adopted to investigate the repeated impact behaviors of composite laminates under three different energies. The qualitative conclusions about the effects of repeated impact on global mechanical response were summarized by the changes of impact force, displacement, contact time and energy absorption. Moreover, the effects of repeated impact on the damage characteristics and expansions of matrix and delamination were discussed in detail.

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“…The study highlights the importance of predictive models (e.g., FEA) for the purpose of estimating the behaviour of printed composites and optimizing their mechanical properties. Numerical analyses show that in the case of impact tests, they are close to experimental measurements [ 34 ]. Implemented impact tests have shown that the thickness of the lamina, the volume fraction of the fibre and the build orientation have an effect on the amount of absorbed energy.…”

Section: Introductionmentioning

confidence: 75%

Impact Toughness of FRTP Composites Produced by 3D Printing

et al. 2020

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The additive manufacturing represents a new production method of composites reinforced with a continuous fibre. In recent times, the material produced by this new manufacturing method constituted a replacement for conventional materials—e.g., steel in many technical areas. As the research on FRTP composites is currently under way, the purpose of this article is to add information to the mosaic of studies in this research area. The scientific articles published until now have focused especially on mechanical testing, such as tensile and bending mechanical testing and their assessment. Therefore, the authors decided to carry out and assess the impact test of the FRTP composites produced by 3D printing because this area offers a large extent of research activities. We observed the influence of the reinforcement in the form of the micro-fibre carbon in the thermoplastic (Onyx) or a continuous reinforcement fibre in the lamina on the specimen’s behaviour during the impact load processes. The results of the experimental measurements show that the presence of a continuous fibre in the structure significantly affects the strength of the printed specimens; however, the design process of the printed object has to take into account the importance of selecting a suitable fibre type. The selection of a suitable strategy for arranging the fibre in the lamina and the direction of the impact load against the position of the fibre seem to be very important parameters.

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Low velocity impact behavior of interlayer hybrid composite laminates with carbon/glass/basalt fibres

Cited by 162 publications

References 55 publications

Investigation of the effect of surface crack on low-velocity impact response in hybrid laminated composite plates

Investigation of the effect of surface crack on low-velocity impact response in hybrid laminated composite plates

Numerical investigation on the repeated low-velocity impact behavior of composite laminates

Impact Toughness of FRTP Composites Produced by 3D Printing

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