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首页> 外文期刊>Journal of Applied Polymer Science >Impact behavior of aminosilane functionalized nanosilica based shear thickening fluid impregnated Kevlar fabrics
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Impact behavior of aminosilane functionalized nanosilica based shear thickening fluid impregnated Kevlar fabrics

机译：氨基硅烷官能化纳米硅基剪切增稠流体浸渍kevlar织物的冲击性能

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摘要

In the present work, two types of shear thickening fluids have been synthesized by using neat and aminosilane functionalized silica nanoparticles and their viscosity curves have been obtained by the rheometer. Based on the values of peak viscosity of synthesized shear thickening fluids, the surface functionalized nanosilica based shear thickening fluid has been chosen as a best candidate due to the high viscosity for impregnation into the neat Kevlar of different layers viz. four (04) and eight (08) layers for velocity impact study. The experimental investigations reveal high energy absorption of shear thickening fluid impregnated Kevlar as compared to the neat Kevlar. The maximum energy absorption 62 J is achieved corresponding to the initial velocity 154 m center dot s(-1) for 08 layers shear thickening fluid impregnated Kevlar specimen. The data have also been analytically determined and validated with the experimental data. The experimental data have good agreement with the analytical data within the accuracy of around 15 to 20%. The present findings can have significant inferences towards the fabrication of shear thickening fluids using nanomaterials for numerous applications such as soft armors, dampers, nanofinishing and so forth.
机译：在本工作中，使用纯硅和氨基硅烷功能化的二氧化硅纳米颗粒合成了两种剪切增稠液，并通过流变仪获得了它们的粘度曲线。根据合成剪切增稠液的峰值粘度值，选择表面官能化纳米硅基剪切增稠液作为最佳候选者，因为其具有高粘度，可以浸渍到不同层的纯芳纶中，即。四（04）层和八（08）层用于速度影响研究。实验研究表明，与纯Kevlar相比，剪切增稠液浸渍Kevlar具有较高的能量吸收。对于08层剪切增稠液浸渍Kevlar试样，其最大能量吸收62 J对应于初始速度154 m中心点s（-1）。这些数据也通过实验数据进行了分析测定和验证。实验数据与分析数据吻合良好，精度在15%到20%之间。目前的研究结果对使用纳米材料制造剪切增稠液具有重要的推论，可用于许多应用，如软装甲、阻尼器、纳米整理等。

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