Effect of yarns in multiple directions on impact resistance of aramid/epoxy composites

Miao, Yajing; Shi, Liyi; Zhu, Kai; Yang, Dan; Xin, Binjie; Li, Jinchun

doi:10.1080/00405000.2022.2131358

Cited by 2 publications

(2 citation statements)

References 21 publications

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“…In recent years, the impact response of the fabric laminate suggested conducting more investigation on the impact behavior of the fabric with different stacking sequences, and different stacking layers. [31][32][33] Understanding these material behaviors at fabric laminated composite is crucial for their effective use in protective and surveillance applications. However, studies on the impact response of the fabric laminated composite with carbon, Kevlar, and hybrid stacking sequence upon low-velocity impact test have not been explored much in the recent contest.…”

Section: Introductionmentioning

confidence: 99%

Low‐velocity impact behavior in multi‐layered structures and hybrid composites via sandwich stacking techniques

Hiremath,

Zhang,

Kim

2024

Polymer Composites

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The study aimed to investigate the impact behavior of fabric laminates composed of carbon, Kevlar, and hybrid materials through low‐velocity impact tests. Non‐hybrid and hybrid laminates were created using layup techniques with sandwich stacking sequences. Drop weight impact tests were conducted using varying levels of impact energy to assess the influence of stacking sequence and hybridization on impact properties. The results showed significant improvements in impact properties with increasing stacking sequence, particularly a 108.8% and 137.4% enhancement in C4 and K4 laminates, respectively. Kevlar laminates exhibited higher energy resistance than carbon laminates, and the Kevlar‐carbon‐Kevlar‐carbon hybrid laminate demonstrated superior impact force and energy absorption capabilities. Additionally, the study analyzed penetration depth and identified different failure modes dependent on stacking sequence and impact energy levels. These findings provide valuable insights for optimizing fabric laminated composites. Thus, the research could be implemented in industries requiring materials with enhanced impact resistance, such as aerospace, automotive, sports equipment, and protective gear manufacturing.Highlights Investigated the impact performance of stacked fabric structures, including carbon, Kevlar, and hybrid laminated composites, through low‐velocity impact tests. Fabricated both non‐hybrid and hybrid laminates using layup techniques with a sandwich stacking sequence to assess the impact properties of the composite laminates. Observed greater penetration depth in the C2 stacked structure, while the KCKC hybrid laminate showcased greater resistance to a depth of penetration (DOP). Various failure modes were investigated, demonstrating their relationship with stacking sequence and impact energy levels.

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Section: Introductionmentioning

confidence: 99%

Low‐velocity impact behavior in multi‐layered structures and hybrid composites via sandwich stacking techniques

Hiremath,

Zhang,

Kim

2024

Polymer Composites

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“…Because of the importance of the damage mode, many researchers have created methods to detect damage (Chen et al, 2022;Fotouhi et al, 2023;Wei and Chen, 2023). The stacking sequence of the selected structure is 90 °/45 °/-45 °/0 °, which has better absorbing energy capacity, according to a previous work (Miao et al, 2022). At the same time, the −45 °/0 °/90 °/45 °sequence is used as an auxiliary function to verify the change in the absorbing energy after adding the novel yarn.…”

Section: Introductionmentioning

confidence: 99%

Effect of aramid core-spun yarn on impact resistance of aramid/epoxy composite

Miao

Zhu

et al. 2023

Front. Mater.

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Introduction: The surface of aramid filament is smooth, which is a great defect for impact resistance and composite molding of aramid/epoxy composite. In this study, a new type of yarn—aramid core-spun yarn is introduced to the fabrication of compositematerials. It increases the friction among yarns and optimizes the performance of yarns.Methods: To verify the improvement of yarn in the composite material, the hand lay-up process is used, and the first layer and the fourth layer are replaced by core-spun yarns in a four-layer composite configuration.Results and Discussion: The energy absorption, and the damage of the impacted surface and the back surface are evaluated through the drop weight impact test. The yarn pull-out test can reflect the internal friction of fabric. The results show that the average energy absorption of new yarn in the first layer is 10 J cm2/g more than that in the fourth layer at a 90°/45°/-45°/0° configuration after the normalization, but the conclusion is contrary when the structure is -45°/0°/90°/45°. Under the structure of 90°/45°/-45°/0°, the damaged area of the fabric is larger when the aramid core-spun yarn is laid on the first layer, while a contrary result can be found for the structure of -45°/0°/90°/45°. The fundamental research will provide design ideas and supports for aramid composite.

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Effect of yarns in multiple directions on impact resistance of aramid/epoxy composites

Cited by 2 publications

References 21 publications

Low‐velocity impact behavior in multi‐layered structures and hybrid composites via sandwich stacking techniques

Low‐velocity impact behavior in multi‐layered structures and hybrid composites via sandwich stacking techniques

Effect of aramid core-spun yarn on impact resistance of aramid/epoxy composite

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