Journal
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
Volume 116, Issue -, Pages 79-86Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2018.10.019
Keywords
Smart materials; Layered structures; Physical methods of analysis; Weaving
Funding
- German Federation of Industrial Research Associations (AiF) within Industrial Joint Research (IGF) of the German Federal Ministry for Economic Affairs and Energy [AIF 19551N]
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Sensor integration in fiber reinforced plastic (FRP) structures enables online process and structural health monitoring (SHM). This paper describes the development and application of woven fabric-based piezoelectric impact and bending sensors for integration into FRP. The work focuses on design and characterization of woven piezoelectric sensors, especially as a part of the reinforcement structure. The reinforcement of the component acts as a sensor in itself and therefore no additional external objects in the form of sensor components or sensor fibers, which could create unwanted weak points within the FRP, are added. The bending test results reveal a direct relationship between the applied load and the sensor signal. Furthermore, the appropriate sensor position in the component cross section was determined and the influence of thermal polarization on the sensor properties was investigated.
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