Composite interlaminar fracture toughness imparted by electrospun PPO veils and interleaf particles: A mechanistical comparison

Huang, Yuan Ming; Qiu, Yiping; Wei, Yi

doi:10.1016/j.compstruct.2023.116865

Cited by 12 publications

(4 citation statements)

References 39 publications

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“…[26][27][28][29] Fiber veil reinforcement has been shown to have a positive impact on the out-of-face mechanical properties of laminates, such as reduced impact damage and increased service life. [30][31][32][33] Zhang et al 34 used a fiber veil to reinforce magnesium-based composite laminates, resulting in the effective reinforcement of flexural strength and impact resistance of the composite laminates. It has also been shown that fiber veils could be used to improve the compression after impact (CAI) 35 and interlaminar fracture toughness of composites.…”

Section: Introductionmentioning

confidence: 99%

“…Stitching reinforcement and Z‐pin reinforcement have reduced in‐plane properties of the laminates, which could introduce defects, and also have the disadvantages of difficult implantation of Z‐pin/stitching on thermoplastic composites 26–29 . Fiber veil reinforcement has been shown to have a positive impact on the out‐of‐face mechanical properties of laminates, such as reduced impact damage and increased service life 30–33 . Zhang et al 34 used a fiber veil to reinforce magnesium‐based composite laminates, resulting in the effective reinforcement of flexural strength and impact resistance of the composite laminates.…”

Section: Introductionmentioning

confidence: 99%

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Effect of interlaminar basalt fiber veil reinforcement on mode I fracture toughness of basalt fiber composites

Zhao,

Li,

Wang

et al. 2024

Polymer Composites

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Composite structures are vulnerable to delamination under out‐of‐plane loading due to the absence of reinforcing fibers in the thickness direction. This paper introduced the interlaminar basalt fiber veil technique to improve the interlaminar fracture toughness of basalt fiber‐reinforced thermoplastic composite laminates. The reinforcement effect of the basalt fiber veil on GIC of composite laminates was investigated by a double cantilever beam (DCB) test. The toughening effect, damage morphology, and the basalt fiber veil toughening mechanism were analyzed by mechanical response, optical photos, and scanning electron microscopy (SEM). It was found that the basalt fiber veil could significantly inhibit the propagation of interlaminar cracks. Compared to the unreinforced specimen, the maximum load of basalt fiber veil‐reinforced laminate was increased by 73%, the average platform load was increased by 72.7% and the GIC was increased by 157%.Highlights Improvement of GIC of basalt fiber‐reinforced thermoplastic laminates by basalt fiber veil. The toughening mechanism for the basalt fiber veil. The GIC of the fiber veil‐reinforced laminate was 157% higher than the unreinforced laminate.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effect of interlaminar basalt fiber veil reinforcement on mode I fracture toughness of basalt fiber composites

Zhao,

Li,

Wang

et al. 2024

Polymer Composites

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“…The mechanism of fibrous materials is distinctive from fiber-reinforced composite [27,28]. Based on the numerical simulations, the influence of the fibrous structure and properties of fibers and bonds on the mechanical properties of the network was revealed.…”

Section: Introductionmentioning

confidence: 99%

Microstructural Evolution and Failure in Fibrous Network Materials: Failure Mode Transition from the Competition between Bond and Fiber

Zhang,

Wang,

Wang

et al. 2024

Materials

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For the complex structure of fibrous network materials, it is a challenge to analyze the network strength and deformation mechanism. Here, we identify a failure mode transition within the network material comprising brittle fibers and bonds, which is related to the strength ratio of the bond to the fiber. A failure criterion for this type of fibrous network is proposed to quantitatively characterize this transition between bond damage and fiber damage. Additionally, tensile experiments on carbon and ceramic fibrous network materials were conducted, and the experimental results show that the failure modes of these network materials satisfy the theoretical prediction. The relationship between the failure mode, the relative density of network and strength of the components is established based on finite element analysis of the 3D network model. The failure mode transforms from bond damage to fiber damage as increasing of bond strength. According to the transition of the failure modes in the brittle fibrous network, it is possible to tailor the mechanical properties of fibrous network material by balancing the competition between bond and fiber properties, which is significant for optimizing material design and engineering applications.

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“…Polyphenylene oxide (PPO) is a high-performance engineering thermoplastic with excellent thermal stability, mechanical strength, high T g and low water absorption. Previous research has shown that electrospun PPO could significantly improve toughness [21]. However, when using electrostatic spinning to prepare the fibers, PPO has limitations because of its low-polarity chemical structure, making it difficult to dissolve in polar solvents.…”

Section: Introductionmentioning

confidence: 99%

Composite Interlaminar Fracture Toughness Enhancement Using Electrospun PPO Fiber Veils Regulated by Functionalized CNTs

et al. 2023

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In this study, carbon nanotubes (CNTs) are functionalized through diazonium salt reaction to introduce polar groups onto their surfaces. These functionalized CNTs (FCNTs) are added into PPO solutions at different loadings (0 wt%, 0.5 wt%, 1 wt%, 1.5 wt%) and used for electrospinning. The results show that the addition of FCNTs facilitate the production of PPO veils having small fiber diameters. The veils are used as interleaves in CF/EP composite laminates. The Mode I and Mode II interlaminar fracture toughness tests reveal that PPO veils containing 0.5 wt% FCNTs exhibit the optimal toughening. GICini and GIIC have an improvement of approximately 120% and 180% over the untoughened samples, respectively, which is 15% and 26% higher than that of PPO veils containing no CNTs, respectively. The toughening mechanism is also analyzed using scanning electron microscopy (SEM).

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Composite interlaminar fracture toughness imparted by electrospun PPO veils and interleaf particles: A mechanistical comparison

Cited by 12 publications

References 39 publications

Effect of interlaminar basalt fiber veil reinforcement on mode I fracture toughness of basalt fiber composites

Effect of interlaminar basalt fiber veil reinforcement on mode I fracture toughness of basalt fiber composites

Microstructural Evolution and Failure in Fibrous Network Materials: Failure Mode Transition from the Competition between Bond and Fiber

Composite Interlaminar Fracture Toughness Enhancement Using Electrospun PPO Fiber Veils Regulated by Functionalized CNTs

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