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首页> 外文期刊>Optical fiber technology >Survivability of integrated fiber Bragg grating sensors in ballistic protection fabrics for high velocity impact testing
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Survivability of integrated fiber Bragg grating sensors in ballistic protection fabrics for high velocity impact testing

机译：用于高速冲击测试的弹道保护织物中集成光纤布拉格光栅传感器的生存能力

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摘要

This research demonstrates that fiber Bragg grating (FBG) strain sensors can survive and provide useful strain information when integrated into a woven fabric subjected to ballistic impact testing. In this work, FBGs were integrated into a single-layer, Kevlar (R) fabric, sensing mat, placed between a 30-layer Kevlar (R) fabric shoot pack and clay backing material, and then impacted with an 8.23 g, 12.69 mm diameter, steel ball bearing at velocities up to 285 m/s. Three different optical fiber types, with differing fiber coatings and fiber diameters, were tested. The FBG strain response was determined from the full-spectrum FBG response which was interrogated at 100 kHz throughout the impact event. The difference in FBG strain response for the different coatings and fiber diameters were compared. Additionally, the degradation of the coatings after repeated impacts were visually characterized, showing that smaller diameter fibers behaved better with a more elastic coating.
机译：这项研究表明，光纤布拉格光栅（FBG）的应变传感器能够存活并且当集成到经受弹道冲击试验机织织物提供有用的应变信息。在这项工作中，光纤光栅被集成到单个层，芳纶（R）织物，感测垫，放置一个30层的Kevlar（R）织物射击包和粘土背衬材料之间，然后用8.23克，12.69毫米影响直径，在速度高达285米钢珠轴承/秒。三种不同的光纤类型，具有不同纤维涂层和纤维直径，进行了测试。所述FBG应变响应是从将其在100千赫整个冲击事件询问的全谱FBG响应来确定。在用于不同的涂层和纤维直径FBG应变响应的差进行比较。此外，重复的冲击后的涂层的降解进行视觉特征，显示出更小的直径的纤维表现与多个弹性涂层更好。

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  • 来源
    《Optical fiber technology》 |2020年第12期|102356.1-102356.8|共8页
  • 作者

    Hackney D.; Goode T.; Seng F.; Pankow M.; Schultz S.; Peters K.;

  • 作者单位

    North Carolina State Univ Dept Mech & Aerosp Engn Raleigh NC 27695 USA;

    North Carolina State Univ Dept Mech & Aerosp Engn Raleigh NC 27695 USA;

    Brigham Young Univ Dept Elect & Comp Engn Provo UT 84602 USA;

    North Carolina State Univ Dept Mech & Aerosp Engn Raleigh NC 27695 USA;

    Brigham Young Univ Dept Elect & Comp Engn Provo UT 84602 USA;

    North Carolina State Univ Dept Mech & Aerosp Engn Raleigh NC 27695 USA;

  • 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

    Fiber Bragg grating; Back face deformation; Ballistic impact; Body armor; Kevlar;

    机译：纤维布拉格光栅;背面变形;弹道撞击;身体护甲;凯瓦尔;

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