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首页> 外文期刊>Composite Structures >Effect of dispersing media and temperature on inter-yarn frictional properties of Kevlar fabrics impregnated with shear thickening fluid
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Effect of dispersing media and temperature on inter-yarn frictional properties of Kevlar fabrics impregnated with shear thickening fluid

机译：分散介质和温度对剪切增稠液浸渍凯瓦尔织物间纱线摩擦性能的影响

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摘要

Shear thickening fluid (STF) treated Kevlar fabrics is a potential method to improve the stab resistance of flexible body armors, whereas the STFs were significantly influenced by the temperature during their practical application. In this study, four kinds of STFs were prepared using constant silica and various dispersing media with different number of hydroxyl groups and chain length. The steady state and dynamic rheological proper-ties of STFs were investigated in the temperature range of 20 to 50 degrees C. The pull-out test of the STF/Kevlar fabrics were also studied at different speeds and temperatures to evaluate the contribution of shear thickening effect. The results indicated that the STF/Kevlar fabrics had higher inter-yarn friction than the neat fabrics, suggesting a correlation of shear thickening effect. At 50 degrees C, the STFs with more hydroxyl groups and longer chains could reduce the negative effect of elevated temperature on the inter-yarn friction from 88.94% to 49.23%. Therefore, according to the different environment temperature, it is necessary to choose suitable dispersing medium to design application-specific of STFs.
机译：剪切增稠液（STF）处理的Kevlar织物是改善柔性体铠装的抗刺抗性的潜在方法，而STF在实际应用中受到温度的显着影响。在该研究中，使用恒定二氧化硅和具有不同数量的羟基和链长的各种分散介质制备四种STF。研究了STF的稳态和动态流变正面，在20至50℃的温度范围内研究了STF / Kevlar织物的拉出试验，以不同的速度和温度研究，以评估剪切增厚的贡献影响。结果表明，STF / Kevlar织物的纱线间摩擦率高于纯织物，表明剪切增稠效果的相关性。在50摄氏度下，具有更多羟基和更长的链的STF可以将升高的温度的负效应降低88.94％至49.23％。因此，根据不同的环境温度，有必要选择合适的分散介质来设计特定于STF的应用。

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  • 来源
    《Composite Structures》 |2020年第10期|112557.1-112557.9|共9页
  • 作者

    Li Danyang; Wang Rui; Liu Xing; Zhang Shujie; Fang Shu; Yan Ruosi;

  • 作者单位

    Tiangong Univ Sch Text Sci & Engn Tianjin 300387 Peoples R China|Tiangong Univ Minist Educ Key Lab Adv Text Composites Tianjin 300387 Peoples R China;

    Tiangong Univ Sch Text Sci & Engn Tianjin 300387 Peoples R China|Tiangong Univ Minist Educ Key Lab Adv Text Composites Tianjin 300387 Peoples R China;

    Tiangong Univ Sch Text Sci & Engn Tianjin 300387 Peoples R China|Tiangong Univ Minist Educ Key Lab Adv Text Composites Tianjin 300387 Peoples R China;

    Tiangong Univ Sch Text Sci & Engn Tianjin 300387 Peoples R China|Tiangong Univ Minist Educ Key Lab Adv Text Composites Tianjin 300387 Peoples R China;

    Tiangong Univ Sch Text Sci & Engn Tianjin 300387 Peoples R China|Tiangong Univ Minist Educ Key Lab Adv Text Composites Tianjin 300387 Peoples R China;

    Hebei Univ Sci & Technol Coll Text & Garments Shijiazhuang 050018 Hebei Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Shear thickening fluid; Rheological property; Friction; Temperature;

    机译：剪切增稠液;流变性;摩擦;温度;

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