Multi-rosettes sensing analysis for an impact assessment in composite plate-like structure

Katarzyna Majewska; Magdalena Mieloszyk; Michal Jurek; Wieslaw Ostachowicz

doi:10.1117/12.2295693

27 March 2018 Multi-rosettes sensing analysis for an impact assessment in composite plate-like structure

Katarzyna Majewska, Magdalena Mieloszyk, Michal Jurek, Wieslaw Ostachowicz

Proceedings Volume 10600, Health Monitoring of Structural and Biological Systems XII; 1060002 (2018) https://doi.org/10.1117/12.2295693
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2018, Denver, Colorado, United States

Abstract

Advanced composite materials have gained popularity in high-performance structural designs applications that require light weight components with superior mechanical properties in order to perform in demanding service conditions as well as provide energy efficiency and safety to mankind and nature. Damage can appear by external impacts or internal failures. The structural damage can occur due to many factors which are difficult to predict in advance, e.g.: sudden impact loads. An external impact can cause an internal damage with no visible marks on the external surfaces of the element. The possible hidden damage can be the source of a further mechanical deterioration of the composite structural element. Recently one of the promising monitoring method is based on Fiber Bragg Grating (FBG) sensors. It is due to the advantages of FBG sensors such as small size and weight, high corrosion resistance or no calibration requirements. Also it is very easy to multiplex FBG sensors and make rosettes arrays that can be implemented on/ into structures. The goal of the research is to analyse impact detection capability of different FBG strain rosettes types. Additionally the sensitivity and area of working of an individual rosette will be considered. The experiment will be carried out on a sandwich plate with the use of impact hammer. The proposed impact detection method by a rosette network can be applied on structures like plane wings, turbine blades or ship masts. The locations of detected impacts can be further analysed by more sophisticated method (terahertz spectroscopy or infrared thermography).

Conference Presentation

Citation Download Citation

Katarzyna Majewska, Magdalena Mieloszyk, Michal Jurek, and Wieslaw Ostachowicz "Multi-rosettes sensing analysis for an impact assessment in composite plate-like structure", Proc. SPIE 10600, Health Monitoring of Structural and Biological Systems XII, 1060002 (27 March 2018); https://doi.org/10.1117/12.2295693

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