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Characterization of a non-destructive microwave technique for the detection and quantification of water in thermosets and thermoplastics

机译:用于热固性塑料和热塑性塑料中水的检测和定量的无损微波技术的表征

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摘要

In this paper, the detection and quantification of the moisture content in epoxy and polyamide-6 using a non-destructive and portable device based on a microwave resonator technique is reported. Parameters related to the real (ε′) and imaginary (ε″) part of the complex permittivity were used to quantify the moisture content in these polymers. The maximal penetration and analyzing depth of the microwaves through polyamide-6 (both at least of 7.35 mm) and epoxy (24 mm and 12 mm, respectively) were measured performing samples with different thicknesses. Moreover, measurements were performed at different distances from the sample surface being possible to perform contactless measurements.
机译:在本文中,报道了使用基于微波谐振器技术的无损便携式设备检测和定量环氧和聚酰胺6中的水分含量。与复介电常数的实部(ε')和虚部(ε'')有关的参数用于量化这些聚合物中的水分含量。测量了通过不同厚度的样品对微波通过聚酰胺6(至少7.35 mm)和环氧树脂(分别为24 mm和12 mm)的最大穿透和分析深度。而且,在距样品表面不同距离处执行测量,从而可能执行非接触式测量。

著录项

  • 来源
    《NDT & E international》 |2015年第12期|9-16|共8页
  • 作者单位

    Fraunhofer Institute for Manufacturing Technology and Advanced Materials (IFAM), Wiener Strasse 12, 28359 Bremen, Germany;

    Fraunhofer Institute for Manufacturing Technology and Advanced Materials (IFAM), Wiener Strasse 12, 28359 Bremen, Germany;

    Fraunhofer Institute for Manufacturing Technology and Advanced Materials (IFAM), Wiener Strasse 12, 28359 Bremen, Germany;

    Fraunhofer Institute for Manufacturing Technology and Advanced Materials (IFAM), Wiener Strasse 12, 28359 Bremen, Germany;

  • 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

    Epoxy; Polyamide-6; Water detection; Microwave resonator; Penetration depth;

    机译:环氧;聚酰胺6;水分检测;微波谐振器;穿透深度;

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