In situ process monitoring for automated fibre placement using fibre Bragg grating sensors
In situ process monitoring for automated fibre placement using fibre Bragg grating sensors
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DOI：
10.1177/1475921716658616
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发表时间：
2016-11-01
影响因子：
6.6
通讯作者：
Rajan, Ginu
中科院分区：
文献类型：
--
作者：
Oromiehie, Ebrahim;Prusty, B. Gangadhara;Rajan, Ginu
自动化纤维铺放方法具有提高生产率的潜力，为复合材料开辟了更广泛的应用和新市场。然而，与许多其他制造方法一样，在叠层期间或之后仍可能出现不同的缺陷，例如空隙或分层。因此，使用自动纤维铺放作为一种开放式模具工艺（其中供给纤维/带材）带来了建立可靠的检查和监控方法的需求和机会，以确保不仅在制造之后而且在制造过程中更早一步确保结构完整性。由于基于光纤的光子传感技术在复合材料结构的结构健康监测中越来越普遍，因此选择光纤布拉格光栅传感器进行制造过程监测已成功实现。采用自动纤维铺放方法对嵌入光纤布拉格光栅的玻璃纤维/高密度聚乙烯层压板进行了实验。光纤布拉格光栅传感器通过测量与压力和温度相关的反射波长来监测铺设工艺条件。本文的结果表明，光纤布拉格光栅传感技术可以可靠地用于在线监控敷层过程，以确保最终产品的质量。
The potential for increased productivity offered by automated fibre placement method has opened up a wider range of applications as well as new markets for composite materials. However, like many other manufacturing methods, different flaws such as voids or delamination may still occur during or after lay-up. Therefore, the use of automated fibre placement as an open-mould process where fibre/tape material is fed brings with it a need and an opportunity to establish a reliable inspection and monitoring method to ensure structural integrity not only after fabrication but also one step earlier, during the manufacturing process. Since optical fibre-based photonic sensing technologies are increasingly common for structural health monitoring of composite structures, selection of optical fibre Bragg grating sensors for manufacturing process monitoring has been successfully implemented here. Experiments are carried out on glass fibre/high-density polyethylene laminates with embedded fibre Bragg grating in the automated fibre placement method. The lay-up process conditions are monitored by the fibre Bragg grating sensors via measuring the reflected wavelengths which are related to pressure and temperature. The results presented in this article indicate that fibre Bragg grating sensing technique can be reliably employed for online monitoring of lay-up process to ensure the quality of final product.