A new numerical model for the analysis on low‐velocity impact damage evolution of carbon fiber reinforced resin composites

Qu, Peng; Sun, Xiaochen; Ping, Lu; Zhang, Dawei; Jia, Yuxi

doi:10.1002/app.44374

Cited by 20 publications

(9 citation statements)

References 29 publications

(26 reference statements)

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“…The mechanical parameters shown in Table 1 were obtained through standard testing methods, except for some lamina properties ( ν 12 , ν 23 , G 23 , S 23 , G ft , G fc , G mt , and G mc ) and interlaminar properties of Control ( E , G ,

σ_{n}^{0}

, and

σ_{s}^{0}

), which were cited from the literature. [ 33,35 ]…”

Section: Numerical Simulationmentioning

confidence: 99%

Experimental and numerical studies on low‐velocity impact damage of composite laminates toughened by nickel‐coated carbon fiber veil

Liu

Guo

et al. 2022

Polymer Composites

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The low‐velocity impact response of carbon fiber composite laminates toughened by nickel‐coated carbon fiber (NiCF) veil interleaves was investigated experimentally and numerically. The experimental results indicated that the impact resistance of laminates with a layer of NiCF veil of 34 g/m2 inserted in the midplane was improved, especially in terms of increased peak impact force and residual compressive strength (by 16.15%), and reduced damage area (by 30.92%). The enhancement mechanisms were attributed to the breakage, pull‐out, and crack bridging of the NiCF veil, as well as the peeling of nickel coating, which enhanced the carbon fiber/resin interfacial adhesion. A numerical model based on continuum damage mechanics and cohesive zone model was developed and its validity was verified. The simulation results confirmed that NiCF veils reduced energy absorption by enhancing the interlaminar properties of laminates, thereby reducing impact damage. Moreover, laminates with higher areal density and more layers of NiCF veils had higher impact force and smaller damage area, and thus had better impact resistance.

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σ_{n}^{0}

, and

σ_{s}^{0}

), which were cited from the literature. [ 33,35 ]…”

Section: Numerical Simulationmentioning

confidence: 99%

Experimental and numerical studies on low‐velocity impact damage of composite laminates toughened by nickel‐coated carbon fiber veil

Liu

Guo

et al. 2022

Polymer Composites

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“…Carbon fibre reinforced composites are now more widely used in airframe structural components [7]. The thickness of such a laminate, the arrangement in which the ply's are stacked and the scaling technique are all important factor to consider when determining the ability of carbon fibre reinforced plastic laminates to withstand damage from low‐velocity impact (LVI) [8, 9].…”

Section: Introductionmentioning

confidence: 99%

Effect of ply orientation and laminate thickness on carbon fibre reinforced polymers under low‐velocity impact

Hiremath

Reddy

2022

Materialwissenschaft Werkst

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Composite materials, which have gained prominence in the aerospace industry due to their high strength-to-weight ratio, are vulnerable to delamination damage when struck by low-speed projectiles due to their low through-thickness strength. This paper presents the experimental evaluation of a composite plate subjected to low-velocity impact. The plates under discussion were constructed using a carbon fibre reinforced polymer laminate with a quasi-isotropic ply structure. Experiments were carried out using a conical-shaped impactor on carbon/epoxy laminated plates with three different orientations ([0/0] 4 s, [0/90] 2 s, and [45/0-45/90] s) that were put through two distinct impact energies (7 J and 14 J). Impact response is determined using drop-weight impact tests. The techniques of ultrasonic C-scan, field emission scanning electron microscopy (FESEM), and surface micrographs were integrated to provide a new and in-depth understanding of damage evolution and failure mechanisms in composite laminates. Damage resistance appears to decrease as impact energy increases. Furthermore, thicker laminates have lower absorbed energy but, on the other hand, more widespread delamination due to increased bending stiffness. Furthermore, quasi-isotropic laminates outperform in terms of damage resistance and increased energy absorption rates by 8 % to 15 %. The efficacy and logic of the suggested model were shown by a strong connection between experimental results.

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“…The development and verification of simulation methods with considerable accuracy and efficiency are urgently required for not only the applications but also theory establishments of DCFRTP. [30][31][32][33] Recently, Silling 34 and Parks et al 35 proposed a new continuum mechanics theory named peridynamic (PD) theory. In contrast to the local theory of classical continuum mechanics (in local regions, the constitutive relationship only considers the interaction between adjacent particles), as shown in Figure 1(a), the PD theory is a nonlocal continuum mechanics theory, as shown in Figure 1(b).…”

Section: Introductionmentioning

confidence: 99%

A new numerical method for the tensile property analysis of discontinuous fiber-reinforced thermoplastics

Zhang

Jia

2021

Composites and Advanced Materials

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For predicting the mechanical properties of discontinuous carbon fiber-reinforced thermoplastics (DCFRTP), it is essential to consider the microstructure, including the fiber orientation and the properties of the constituting materials. In the present study, a heterogeneous particle model, considering the microscopic factors, is constructed on the basis of the peridynamic (PD) theory to investigate the tensile properties of DCFRTP. Two kinds of randomly oriented DCFRTP, with different constituents and volume fractions of carbon fiber, are used for the verification of this numerical model. A comparison between the PD simulations and the experimental results shows a good agreement. The effect of the model size on the prediction is discussed.

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A new numerical model for the analysis on low‐velocity impact damage evolution of carbon fiber reinforced resin composites

Cited by 20 publications

References 29 publications

Experimental and numerical studies on low‐velocity impact damage of composite laminates toughened by nickel‐coated carbon fiber veil

Experimental and numerical studies on low‐velocity impact damage of composite laminates toughened by nickel‐coated carbon fiber veil

Effect of ply orientation and laminate thickness on carbon fibre reinforced polymers under low‐velocity impact

A new numerical method for the tensile property analysis of discontinuous fiber-reinforced thermoplastics

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