fatigue damage monitoring of a composite step lap joint using distributed optical fibre sensors

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ID: 229005
2016
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Abstract
Over the past few decades, there has been a considerable interest in the use of distributed optical fibre sensors (DOFS) for structural health monitoring of composite structures. In aerospace-related work, health monitoring of the adhesive joints of composites has become more significant, as they can suffer from cracking and delamination, which can have a significant impact on the integrity of the joint. In this paper, a swept-wavelength interferometry (SWI) based DOFS technique is used to monitor the fatigue in a flush step lap joint composite structure. The presented results will show the potential application of distributed optical fibre sensor for damage detection, as well as monitoring the fatigue crack growth along the bondline of a step lap joint composite structure. The results confirmed that a distributed optical fibre sensor is able to enhance the detection of localised damage in a structure.
Reference Key
wong2016materialsfatigue Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Leslie Wong;Nabil Chowdhury;John Wang;Wing Kong Chiu;Jayantha Kodikara
Journal Nature Materials
Year 2016
DOI
10.3390/ma9050374
URL
http://www.mdpi.com/1996-1944/9/5/374
Keywords
adhesion structural health monitoring electronics civil engineering (general)microscopydescriptive and experimental mechanics nuclear engineeringengineering (general) composite structuretechnologyelectrical engineering

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