Yarn pulling out test and numerical solution of penetration into woven fabric target impregnated with shear thickening fluid using SiO2 /Polyethylene Glycol

IF 1.2 Q4 NANOSCIENCE & NANOTECHNOLOGY international journal of nano dimension Pub Date : 2015-10-01 DOI:10.7508/IJND.2015.04.009

Kordani Naser, A. Sadough-vanini

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引用次数: 4

Abstract

In this paper, finite element model of woven fabric target has been investigated which is impacted by a cylindrical projectile. Fabrics are impregnated with Shear Thickening Fluid (STF). The effects of the (STF) have been considered as frictional effect. The STF has been made (Nano Silica and Polyethylene Glycol (PEG)) and then diluted by ethanol proportion of 3:1. Yarn pulling out test from inside of fabric is performed to estimate the pulling out force and the friction coefficient. The speed of pulling out was 500 mm/min and the samples were placed vertically in tensile device. The results of yarn pulled out indicated that the fabric impregnated in STF needs more force in order to gets out of fabric. Friction coefficient of a regular fabric is 0.26 and in a fabric impregnated by STF is 1.5. Friction coefficients of tow fabric types of raw fabric and fabric with STF are entered in ANSYS software along with mechanical characteristic of a yarn. Ballistic range velocity was extracted for samples in software and was compared with experience results.

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用SiO2 /聚乙二醇浸渍剪切增稠液浸渍机织物靶材的抽纱试验及数值求解

本文研究了受圆柱弹丸冲击的机织目标的有限元模型。织物用剪切增稠液(STF)浸渍。(STF)效应被认为是摩擦效应。制备STF(纳米二氧化硅和聚乙二醇)，然后用3:1的乙醇比例稀释。通过纱线从织物内部的拉拔试验，估算出纱线的拉拔力和摩擦系数。拉拔速度为500mm /min，试样垂直放置于拉伸装置中。抽出纱线的结果表明，浸渍在STF中的织物需要更大的力才能从织物中抽出。普通织物的摩擦系数为0.26，经STF浸渍织物的摩擦系数为1.5。在ANSYS软件中输入原织物和带STF织物两种织物类型的摩擦系数以及纱线的力学特性。在软件中提取了样品的弹道距离速度，并与经验结果进行了比较。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

international journal of nano dimension NANOSCIENCE & NANOTECHNOLOGY-

CiteScore

2.80

自引率

20.00%

发文量