Evaluation of low-velocity impact responses of flexible protective materials with a novel, visible approach

Tan, Yuhao; Li, Yuling; Ma, Yanxue

doi:10.1016/j.polymertesting.2022.107682

Cited by 4 publications

(2 citation statements)

References 39 publications

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“…Importantly, the high brittleness of this glass plate ensures that it would not cause additional interference with the impact testing results. 27 According to ASTM D7136/D7136M-2015, 28 this glass plate was cut to a length of 150 mm and a width of 100 mm. As shown in Figure 3(c), the glass plate was first clamped to the testing table and then the flexible specimen was laid on the top.…”

Section: Drop-weight Impact Testingmentioning

confidence: 99%

Warp-knitted spacer fabric flexible composites with high stability and low-velocity impact resistance infused by flock-reinforced shear thickening gel

Tan

2023

Textile Research Journal

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Flexible protective materials with suitable properties are necessary for personal low-velocity impact (LVI) protection. Flock-reinforced shear thickening gel (FRSTG) can absorb energy through its state transition, thereby showing great potential in applications for LVI protection. However, the unstable state of FRSTG with a slight flow behavior challenges its LVI-resistant evaluation and in-depth development in use. Herein, three-dimensional (3D) warp-knitted spacer fabric (WKSF) composites were obtained by infusing FRSTG in high proportions (≥75%). FRSTG was observed to be stably and randomly distributed in the spacer layer of the WKSF, and the desirable flexibility of the composites was confirmed. The LVI protection effect of FRSTG was better than that of shear thickening gel at the same composite ratio, and the composite with an 83% FRSTG proportion absorbed more than 80% of the impact energy. Besides, FRSTG dominated the composites, showing enhanced responsiveness to the impact with increased velocity. Accordingly, this study constructed stable and LVI-resistant 3D flexible composites with FRSTG as the main functional component, which provided new ideas for the development of wearable protective equipment.

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Section: Drop-weight Impact Testingmentioning

confidence: 99%

Warp-knitted spacer fabric flexible composites with high stability and low-velocity impact resistance infused by flock-reinforced shear thickening gel

Tan

2023

Textile Research Journal

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“…[15] The knife resistance of STG/Kevlar flexible composites was increased by 50% compared to pure Kevlar, indicating that STG has good impact protection. [15][16][17][18] The composite methods of STG/ high-performance fiber flexible composites are various, and STF/STG/Kevlar flexible composites were prepared by impregnation and hand lay-up. Knife resistance of composites was compared, found that hand lay-up of STF/STG flexible composites has good knife resistance.…”

Section: Introductionmentioning

confidence: 99%

Novel shear thickening gel/high‐performance fiber reinforced flexible composites: Multi‐velocity impact and functional properties

Liu

Wei

et al. 2023

Polymer Composites

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Shear thickening gel (STG) is a promising substrate used for flexible protective materials, which has superior dimensional stability without gel side leakage and delamination when sustaining long-standing time. STG/high-performance fiber flexible composites exhibit high-energy absorption capacity for multivelocity impact. This article reveals the shear thickening mechanism of STG that lays a theoretical foundation for the performance analysis of STG composites. The preparation methods of STG/high-performance fiber flexible composites, including impregnation, hand lay-up, filling, and lamination methods, are compared. The energy absorption principle of STG/high-performance fiber flexible composites on multi-velocity impact and the destruction morphology was analyzed. The coupling effects and functional applications of STG functional composites with nanoparticles, magnetic particles, and conductive particles are summarized. It provides more suitable conditions for designing new multifunctional protective equipment and manufacturing advanced intelligent, protective devices.

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Shear Thickening Materials for High Performance Smart Protection

Islam,

Goel,

Nebhani

2024

Smart Systems With Shear Thickening Fluid

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Evaluation of low-velocity impact responses of flexible protective materials with a novel, visible approach

Cited by 4 publications

References 39 publications

Warp-knitted spacer fabric flexible composites with high stability and low-velocity impact resistance infused by flock-reinforced shear thickening gel

Warp-knitted spacer fabric flexible composites with high stability and low-velocity impact resistance infused by flock-reinforced shear thickening gel

Novel shear thickening gel/high‐performance fiber reinforced flexible composites: Multi‐velocity impact and functional properties

Shear Thickening Materials for High Performance Smart Protection

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