Fenghua Kang, Kun Zhang, Shengyang Cui, Jianhang Cao, Ke Ran, Wentao Zhou, Yali Gao, Ziyuan Zhang, Yintao Li
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Study on fumed silica strengthened STG and impact resistance of STS/Kevlar composites
Compared to shear thickening fluid (STF), shear thickening gel (STG) offers excellent shear thickening performance without issues such as particle settling, making them widely applied in human body safety protection. This study selected fumed silica (SiO2) as the reinforcing material. STS (STG/SiO2) was prepared by mechanical mixing and combined with Kevlar fabric to prepare STS/Kevlar composites. The optimal SiO2 content was discussed through dynamic rheological tests and compression tests at different strain rates, with further discussion of the SiO2 reinforcement mechanism. The protective performance of the STS/Kevlar composites was evaluated by quasi-static puncture and Hopkinson pressure bar (SHPB). The results demonstrated that the presence of STS increased energy dissipation of fabrics, and the STS/Kevlar composites showed good impact resistance.
期刊介绍：
Colloid and Polymer Science - a leading international journal of longstanding tradition - is devoted to colloid and polymer science and its interdisciplinary interactions. As such, it responds to a demand which has lost none of its actuality as revealed in the trends of contemporary materials science.
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