Shear behavior of a shear thickening fluid-impregnated aramid fabrics at high shear rate

被引：44
|
作者：
Na, Wonjin [1 ,2 ]
Ahn, Hyunchul [1 ,2 ]
Han, Sungjin [1 ,2 ]
Harrison, Philip [3 ]
Park, Jong Kyoo [4 ]
Jeong, Euigyung [4 ]
Yu, Woong-Ryeol [1 ,2 ]
机构：
[1] Seoul Natl Univ, Dept Mat Sci & Engn, Seoul 151742, South Korea
[2] Seoul Natl Univ, Res Inst Adv Mat RIAM, Seoul 151742, South Korea
[3] Univ Glasgow, Sch Engn, Glasgow G12 8QQ, Lanark, Scotland
[4] Agcy Def Dev, Daejeon 305600, South Korea
来源：
COMPOSITES PART B-ENGINEERING | 2016年 / 97卷
关键词：
Aramid fibre; Fabrics/textiles; Mechanical properties; Shear-thickening fluid; YARN PULL-OUT; BALLISTIC IMPACT; WOVEN FABRICS; BIAS-EXTENSION; COMPRESSIVE BEHAVIORS; TEXTILE COMPOSITES; VELOCITY IMPACT; STAB-RESISTANCE; PICTURE-FRAME; EPOXY MATRIX;
D O I：
10.1016/j.compositesb.2016.05.017
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Shear-thickening fluid-impregnated aramid (STF-im-AR) fabrics have been manufactured for advanced soft body armor applications for which they provide improved ballistic and stab resistances. It is not yet clear whether or not such improvements can be attributed solely to the STF. In this study, the rate dependent behavior of an STF-im-AR fabric was investigated at the fabric level, using uniaxial tensile, bias-extension, and picture-frame tests. Rate-dependent behavior of the STF-im-AR fabric was observed during uniaxial tensile testing; however, the effect of the STF treatment was slight and consistent with only the inherent effect of the polymeric nature of its constituent fibers. The shear rigidity of the STF-im-AR fabric increased, due to the presence of the STF and the sensitivity of the fabric's shear stiffness to changes in the shear strain rate also increased slightly. This rate-sensitive shear stiffness of STF-im-AR fabrics may contribute to improved ballistic and stab resistances. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：162 / 175
页数：14
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