[1]刘君,熊党生,熊华超.剪切增稠流体浸渍Kevlar复合材料的防刺性能[J].南京理工大学学报(自然科学版),2010,(02):271-274.
 LIU Jun,XIONG Dang-sheng,XIONG Hua-chao.Stab Resistance of Kevlar Composites Impregnated with Shear Thickening Fluid[J].Journal of Nanjing University of Science and Technology,2010,(02):271-274.
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剪切增稠流体浸渍Kevlar复合材料的防刺性能
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《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

卷:
期数:
2010年02期
页码:
271-274
栏目:
出版日期:
2010-04-30

文章信息/Info

Title:
Stab Resistance of Kevlar Composites Impregnated with Shear Thickening Fluid
作者:
刘君 熊党生 熊华超
南京理工大学材料科学与工程系, 江苏南京210094
Author(s):
LIU JunXIONG Dang-shengXIONG Hua-chao
Department of Materials Science and Engineering,NUST,Nanjing 210094,China
关键词:
剪切增稠流体 复合材料 防刺 浸渍
Keywords:
shear thickening fluids composite materials stab resistance impregnation
分类号:
TB332
摘要:
利用自制落锤式冲击试验装置,该文研究了剪切增稠流体(STF)浸渍Kevlar复合材料防刺性能的瞬态受力响应过程和刺穿深度,以及STF-Kevlar复合材料的吸能机理。实验结果表明,经浸渍的Kevlar织物防刺穿力峰值提高到约400 N,复合材料的第一层受力响应时间缩短到3.5 ms,而刺穿深度降低较小。其中以120 nm SiO2配制的中间浓度的分散体系浸渍后,复合材料的防刺效果最好,防刺穿力提高至约2.7倍,刺穿深度降低了10%左右。
Abstract:
The transient received-force response and the penetration depth of the Kevlar composites impregnated with shear thickening fluid(STF) are studied by a self-made drop-hammer tester.The energy-absorbing mechanism of the STF-Kevlar composites during penetration is analyzed.The experimental results show that the peak value of the stab resistance and penetration force of the impregnated Kevlar fabrics rises to about 400 N and the first level stress response time decreases to 3.5 ms while the penetration depth reduces less.The composites impregnated with middle concentration dispersion prepared with 120 nm SiO2 nano particles show the good stab resistance increases to 2.7 times of pure Kevlar fabrics,and their penetration depth reduces by ten percent.

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备注/Memo

备注/Memo:
基金项目: 江苏省博士创新基金( CX07B_082 z); 江苏省高技术研究计划( bg2007046) ?? 作者简介: 刘君( 1979- ), 男, 博士生, 主要研究方向: 高分子复合材料, E-mail: x ingzhitianx ia@ 163. com; 通讯作者: 熊党 生( 1960- ), 男, 教授, 博士生导师, 主要研究方向: 生物材料和功能复合材料,E-mail: x iongds@ 163. com。
更新日期/Last Update: 2010-04-30