Construction of nano-silica particle clusters and their effects on the shear thickening properties of liquids

Zhang, Xingmin; Zheng, Jian; Pan, Jianjun; Zhang, Xiaoting; Fang, Jin; Min, Jie; Yu, Chengbing

doi:10.1039/d3sm01217d

Soft Matter

2024

DOI: 10.1039/d3sm01217d

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Construction of nano-silica particle clusters and their effects on the shear thickening properties of liquids

Xingmin Zhang,

Jian Zheng,

Jianjun Pan

et al.

Abstract: In this study, silica particle clusters (SPC) are prepared by the reaction of amino-modified silica with polyethylene glycol diglycidyl ether. The shear thickening fluid with SPC as the dispersed phase can produce faster and stronger shear thickening response.

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Investigation of shear thickening fluid (STF) impregnated interlayer hybrid composites under low-velocity impact loading

Saricam,

Okur

2024

Journal of Composite Materials

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This study deals with the development of interlayer hybrid composites with improved low-velocity impact response. In the composites produced using the hand lay-up technique, glass, carbon, and Kevlar woven fabrics were used as reinforcement materials and epoxy resin was used as the matrix material. Shear thickening fluid (STF) was impregnated into the fabric for enhancing their performance. The effect of hybridization with different stacking sequences and the impregnation of STF on the peak load, deflection at peak load, energy absorption, impact strength, and damage degree were investigated. All samples were subjected to 3.12 m/s and 4.42 m/s impact velocities using a drop-weight impact tester applying 200J and 400J impact energy levels, respectively. The results revealed that in samples containing neat fabrics, the performances of the pure Kevlar samples were much better in comparison to hybrid samples, especially under high impact energy. However, STF significantly improved the impact strength and energy absorption (up to 30 times) of all samples, including hybrid ones. On the other hand, as the impact energy increased, the use of a Kevlar reinforced plate on the impact surface was crucial, providing higher energy absorption, and no perforation was observed since most of the energy was required to initiate the damage. In the samples with Kevlar in the intermediate layer, however, the majority of the impact energy caused propagation and expansion of the damage. According to the findings, up to 50% cost savings were achieved in STF-impregnated hybrid samples containing Kevlar.

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Investigation of shear thickening fluid (STF) impregnated interlayer hybrid composites under low-velocity impact loading

Saricam,

Okur

2024

Journal of Composite Materials

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Construction of nano-silica particle clusters and their effects on the shear thickening properties of liquids

Abstract: In this study, silica particle clusters (SPC) are prepared by the reaction of amino-modified silica with polyethylene glycol diglycidyl ether. The shear thickening fluid with SPC as the dispersed phase can produce faster and stronger shear thickening response.

Cited by 1 publication

References 39 publications

Investigation of shear thickening fluid (STF) impregnated interlayer hybrid composites under low-velocity impact loading

Investigation of shear thickening fluid (STF) impregnated interlayer hybrid composites under low-velocity impact loading

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