The influence of graphene nanoplatelets (GNPs) on the semi-blunt puncture behavior of woven fabrics impregnated with shear thickening fluid (STF).
The influence of graphene nanoplatelets (GNPs) on the semi-blunt puncture behavior of woven fabrics impregnated with shear thickening fluid (STF).
复制标题
石墨烯纳米片（GNP）对剪切增稠液（STF）浸渍机织物半钝刺穿行为的影响
DOI：
10.1039/c7ra12802a
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发表时间：
2018-01-29
期刊：
影响因子：
3.9
通讯作者：
Guo, Chong-bin
中科院分区：
文献类型：
--
作者：
Wang, Fei-Fei;Zhang, Yan;Zhang, Hao;Xu, Lan;Wang, Ping;Guo, Chong-bin
织物广泛应用于防弹衣、航空航天工业和军事装备等各个领域。研究了纳米SiO2/聚乙二醇（SiO2/PEG）分散体系的剪切增稠流体（STF）浸渍织物的半钝穿刺性能。测试了STF的流变性能和微观结构，以评估SiO2粒度和添加剂（石墨烯纳米片）对最终织物的穿刺行为的影响。采用场发射扫描电子显微镜（FESEM）分别测量了整理前后织物的表面特征，研究了织物的损伤形态和损伤机理。还通过透射电子显微镜（TEM）测量了二氧化硅纳米颗粒和添加剂的表面特性。结果表明，由于STF的存在，机织物的穿刺行为显着增强。此外，添加剂GNP的存在诱导相对较低的剪切增稠现象，同时观察到织造织物的半钝穿刺行为的显著增强。
Fabrics are widely applied in various fields, such as body armor, aerospace industry and military equipment. This paper reports the semi-blunt puncture behavior of fabrics impregnated with a shear thickening fluid (STF), which is a dispersion system of nano silica/polyethylene glycol (SiO2/PEG). The rheological properties and microstructure of the STF were tested to evaluate the influence of SiO2 particle size and additives (graphene nanoplatelets) on the puncture behavior of the final fabrics. The surface characteristics of neat and STF-treated fabrics were separately measured by field emission scanning electron microscopy (FESEM), which helps study the damage morphology and mechanism of the fabric. The surface characteristics of the silica nanoparticles and additives were also measured by transmission electron microscopy (TEM). The results demonstrated that the puncture behavior of the woven fabric was significantly enhanced due to the presence of STF. Moreover, the presence of additive GNPs induced a relatively lower shear thickening phenomenon, while a significant enhancement in the semi-blunt puncture behavior of the woven fabric was observed.
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