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首页> 外文期刊>Advanced Manufacturing: Polymer & Composites Science >In-situ simultaneous measurement of strain and temperature in automated fiber placement (AFP) using optical fiber Bragg grating (FBG) sensors
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In-situ simultaneous measurement of strain and temperature in automated fiber placement (AFP) using optical fiber Bragg grating (FBG) sensors

机译：使用光纤布拉格光栅（FBG）传感器现场同时测量自动光纤放置（AFP）中的应变和温度

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AbstractThere has been a tremendous growth of utilizing automated fiber placement (AFP) to manufacture highly precise components and large structures like fuselage panels and wing skins for high-end applications in aircrafts and next generation of spacecrafts. Consequently, in-situ identification of potential defects and strain level within the laminates is critical to ensure the quality and integrity of the final product. In this study, optical fiber Bragg grating sensors (FBGs) have been implemented as an on-line monitoring technique for simultaneous measurement of strain and temperature in AFP. In addition, it is also shown that, the embedded FBG sensors can remain within the laminate for continuous health monitoring after manufacturing process toward the identification of crack induced acoustic emissions.
机译：摘要利用自动光纤放置（AFP）来制造高度精密的组件和大型结构（如机身面板和机翼蒙皮），已在飞机和下一代航天器的高端应用中取得了巨大的发展。因此，对层压板中潜在缺陷和应变水平进行现场识别对于确保最终产品的质量和完整性至关重要。在这项研究中，已将光纤布拉格光栅传感器（FBG）用作在线监测技术，以同时测量AFP中的应变和温度。此外，还显示出，嵌入式FBG传感器可以保留在层压板内，以便在制造过程之后对裂纹诱导的声发射进行识别，从而进行连续的健康状况监测。

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