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Rotation compensation module for in-line elimination of torsion in rovings for fiber reinforced composites

机译：用于在线消除纤维增强复合材料的粗糙度扭转补偿模块

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摘要

Due to stricter environmental regulations, interest in lightweight construction materials is growing, especially in the mobility sector. Lighter vehicles and aircraft require less fuel and thus emit less CO_2. One of the most important lightweight construction materials are fiber reinforced composites (FRC), as they combine high mechanical properties with low material density. FRCs already enable major weight savings in the automotive and aviation sectors. However, due to the high component prices, FRCs are currently only used selectively. The high prices are a result of both the high material costs and the complex and multi-step process chain for the production of FRC components. For these reasons, research is currently being conducted on approaches to reduce material costs and make the fiber composite process chain more efficient. One possibility to reduce material costs is the use of so-called heavy tows. Heavy tows are reinforcing fibers (e.g. carbon and glass fibers) consisting of more than 24,000 (24K) individual filaments. Compared to conventional reinforcement fibers with up to 24k individual filaments, heavy tows are cheaper, have lower mechanical properties and a higher weight per unit area. In order to use heavy tows specifically for lightweight construction applications, they must first pass through the fiber spreading process. During the spreading process, the filaments in the heavy tow are parallelized and stretched. By re-sorting the filaments, the fiber width is increased and the thickness is reduced at the same time. This reduces the surface weight and improves the mechanical properties (Fig. 1).
机译：由于环境法规更严格，对轻质建筑材料的兴趣正在增长，特别是在流动部门。较轻的车辆和飞机需要较少的燃料，因此发出较少的CO_2。最重要的轻质建筑材料之一是纤维增强复合材料（FRC），因为它们与低材料密度相结合的高机械性能。 FRCS已经在汽车和航空领域进行了重大重量。但是，由于高元件价格，FRC目前仅供选择性地使用。高价格是高质量成本和复杂和多步工艺链的生产，用于生产FRC组件。由于这些原因，目前正在进行研究以降低材料成本并使纤维复合过程链更有效。减少材料成本的一种可能性是使用所谓的繁重拖带。厚奶嘴是由24,000（24k）个单细丝组成的增强纤维（例如碳和玻璃纤维）。与常规增强纤维相比，具有高达24K个单个长丝的纤维，重型梭形更便宜，机械性能较低，每单位面积重量较高。为了利用专门用于轻质施工应用的繁重梭形，必须首先通过光纤传播过程。在传播过程中，重丝束中的长丝并行化并拉伸。通过重新分类细丝，纤维宽度增加，厚度同时减小。这降低了表面重量并改善了机械性能（图1）。

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  • 来源
    《Technische Textilien》 |2020年第5期|E171-E172|共2页
  • 作者

    Stefan Hesseier; Philipp Quenzel; Thomas Gries; Kurt Hockemeyer;

  • 作者单位

    Institut fuer Textiltechnik of RWTH Aachen University (ITA) Aachen/Germany;

    Institut fuer Textiltechnik of RWTH Aachen University (ITA) Aachen/Germany;

    Institut fuer Textiltechnik of RWTH Aachen University (ITA) Aachen/Germany;

    Gebr. Kloecker GmbH Borken/Germany;

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