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A simple and robust approach for visual overload indication - UD thin-ply hybrid composite sensors

Research output: Contribution to journalArticle

Original languageEnglish
Pages (from-to)376-385
Number of pages10
JournalComposites Part A: Applied Science and Manufacturing
Early online date8 Mar 2019
DateAccepted/In press - 7 Mar 2019
DateE-pub ahead of print - 8 Mar 2019
DatePublished (current) - 1 Jun 2019


A novel, purpose-designed, thin interlayer glass/carbon-epoxy hybrid composite sensor concept is presented here that can be used for structural health monitoring (SHM), offering potential for safer operation in service. The hybrid composite sensors indicate the overload of a structure by exhibiting a change in their appearance when loaded in tension over a predefined strain value. The sensors can be attached to a component either as a structural sensing layer or integrated locally as demonstrated in this study through real-life applications. Furthermore, various test methods have been utilised to characterise the bonded-on sensors including mechanical testing, Digital Image Correlation (DIC) and Acoustic Emission (AE) measurements. An optimal configuration has been identified with the utilised materials that can potentially be used in applications such as sporting goods, civil engineering structures (e.g. truss and bridge elements) as well as pressure vessels.

    Research areas

  • Delamination, Failure, Fragmentation, Hybrid, Mechanical testing

    Structured keywords

  • Bristol Composites Institute ACCIS



  • Full-text PDF (accepted author manuscript)

    Rights statement: This is the accepted author manuscript (AAM). The final published version (version of record) is available online via Elsevier at . Please refer to any applicable terms of use of the publisher.

    Accepted author manuscript, 818 KB, PDF document

    Embargo ends: 8/03/20

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    Licence: CC BY-NC-ND


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